Tel: +86 756 8637326Fax: +86 756 8637126Add: Floor 4, Building 23, Qianshan Cuizhu Industrial Zone, Zhuhai City, Guangdong Province, ChinaPostal code: 519071Website: www.tauras.com.cnE-mail: info@tauras.com.cn

LED Switching Power Supply

Operating Instructions

..................1. General information 2-3

......Working principle of product 3-32.

.............3.Product characteristics 4-4

....4.Product's load characteristics 4-5

...................5.Product installation 5-9

............6.Product use instructions 9-10

.............7.Warning and disclaimer 10-10

Contents

7. Warning and disclaimer 1) The product must only be connected and changed by the personnel with -the professional qualifications; 2) Never use the regular products to drive the LE road lamps; if it is a must to drive the D

supply. road lamp, please b e h r lamp power assured to use t e oad 3) Before connecting the product with any load, please disconnect the input wire and be assured the load is matching; never connect the input and the output wire reversely; if the pro-duct has the grounding wire, please connect it with the ground correctly; 4) Never apply overload (exceeding the rated power) or sup ( for instance a-erlight loadpply 1w onto the 100W constant voltage power; or the constant current product is under the minimal output voltage of the power ) onto the power supply; otherwise it may cause the LED light flashing; 5) Lightning protection and filtering: When using the product outdoor or on high buildi-ng, please provide the lightning arrester; if the electric grid fluctuates seriously or the ambientenvironment is rather worse, p us the surge absorption plant; lease e 6) If the neutral wire is broken: the neutral wire of the 3- system plays the phase 4- wirerole of protecting the zero potential of the neutral point if there is unbalanced current flowing the 3-phase load and making the voltage of very phase unchanged. If the neutral wire is brok-en, the voltage of the phase with the lowest load shall rise and cause damage. Certainly the neutral wire of the 3-ph ase 4 - wire system must be kept in good condition without interrupti-on, with relative larger cross-section additionally (it is not limited by this clause if the PFC po-wer supply is available). 7) If the load connected with the power is the capacitive load, it may possibly not be started since the instantaneous starting current is too larg can trigger the automatic e ( which protection to the power supply ), so the power can not be used directly; if it is needed to use, please add the compensation device at the load to weaken or relieve the impact. 8) If the same project uses plenty of LED s witching power supplies, is needed it to pow-

on step by step; otherwise the one-switch start may cause large impact c urrent and trig-erger electric trip.

Page

H V D C - 1 2 0 2 0 A 0 1 8

1. General information 1)Main purpose and scope The product is mainly used indoor or outdoor with the LED lightings, aiming at tra-nsforming AC to DC which needed by the LED module; the product not only can be us-ed for LED lighting,but also for other DC power supply devices. 2)Type and specification of product

s mainly divided into two categories, one is constant voltage and the The produc t i

other is constant current . 3)Operating environment and storage conditions ①If using outdoor , the appropriate temperature should be of -25℃~+40℃, with t-he relative humidity not more than 98%; ②If using indoor , the appropriate temperature should be of -25℃~+50℃, with th-e relative humidity not more than 80%; ③If storing the product, the appropriate temperature should be of -25℃~+75℃, with the relative humidity not more than 80%. 4)Product designation A.The designation principle of the new product type is as follows: four English l-etters plus a “dash” (in the middle), plus 5-7 Arabic numbers, plus an English letter and 3 Arabic numbers. In particular case, a dash “ - ” and an English letter or an Arabic nu-mber can be prefixed to the first four English letters. B.The designation principle is illustrated as follows:

① is for the LED power application site; “H” means “ Indoor Dr i ver no letter ” ;is used to show the regular power supply; ② is for the constant voltage or the constant current category; “V” is for const-ant voltage; “J” is for constant current;

③ is for input voltage scope; “ A ” stands the scope of 200-24 0 V;for “B” sta-nds for the scope of “100-120V”; “D” stands for. the scope of “ 100-240V ”; “ E ” sta-nds for the scope of “ 200-277V ; “F” stands for the scope of “100-277V”. ”

e p ④ stands for the available functions. “ S ” s tands for th ro du ct passes PFC and EMC; “F” stands for the product passesPFC;“C” stands for the product passes EMC; no letter is used to show the regular power supply;

⑤ Abnormal superlight load's application characteristics If the load on the LED switch source is too light (less), please add the external load to match with the LED switching power supply. For the constant voltage power, please connect a resistor at the output terminal in parallel ; for the c onstant current power, please connect a resistor at the output terminal in series. A. Constant voltage power superlight load : when the power of the load connected with the LED switch power is less than 5% of the rated power, it can be judged as the constant v-oltage power superlight load .

B. Constant current power superlight load : when the rated power of the load is less than or equal to the minimal output voltage of constant current power, it can be judged as the constant current power superlight load.

6. Warranty 1) In the normal use conditions, the product enjoys the warranty period of 1.5 years, s-tarting from the date of production. If the product goes wrong in the warranty period, after it is confirmed the quality problem upon our inspection, we will replace with the same type of the product free of charge. 2) If the product involves in any of the following circumstances, our company shall be exempted from any responsibilities, i.e.: ①The product is used and damaged serious without following the Operating Instructi-ons; ②User dismantles or removes the internal parts without authorization and causes da-mage; ③The product is damaged or deformed seriously on the appearance; ④The date of production or the serial number on the product is erased or altered. 3) For all products of our company, if it is proved any failure or damage occurred to w-hich arising from the quality, our company shall be responsible for changing the product with the same type and same quantity.

Constant voltage power supplyInput output

resistor in parallel

Input outputConstant current power supply

Series resistance

×××

××

×

⑤ stands for the output voltage ; for supply, it sta- the constant voltage power nds for the rated output voltage; for the constant current power supply, it stands for t-

he maximum output standard voltage; for instance “52” means the maximum output v-otage is 52VDC. ⑥ stands for the output rated power and the output rated current. For the const-ant voltage power supply, it stands for the output p eow r;

curent power supply, it stands for the output c-urrent ( Unit: mA);for instance: J A-80350M, where 350” means the output current o“ f 350mA. ⑦ means the product housing type. 5) Protection functions

over-vo The product has the overload, over-current , ltage and short-circuit pr-otection functions; some of which have the anti-su and temperature control prot-rge ection functions ; when the product or t h e load are in the corresponding unexpected-ness status, the product can protect itself automatically. 6) Safety

gn so The product adopts the transformer isolation desi as to ensure the appli-cation safety of the product.

for in stance “300” means the output power of 300W; t for t h constane

The product consists of the following parts, i.e.: Input EMI filter, rectifying filter, PFC, DC-DC, output rectifying filter,PWM auxiliary control and other circuits. See the following working block diagram:

Installation mode when installing multiple LED switch power into the metal box

③

When installing multiple LED switch power into a closed box, please add the h-eat-conducting metal board in the middle and use the epoxy resin to seal so as to facil-itate heat dissipation. Installation mode when embedding the LED switch power underground ④

Since the power is embedded underground and heat can not dissipated through air, ple-ase use the heat-conducting article to transfer heat, for instance the practice to seal with the epoxy resin and etc.

AC input

EM

I filter

Re

ctify

ing

filter

Power coefficient correction

Power conversion circuit

Output rectifying filter

DC output

Control circuit /PWM

Detection & protection circuit

Metal

No stacking or piling up

Metal Not less than 5cm

Epoxy resin LED power supply Metal board Metal box

Power supply

Casing

Epoxy resin

2. Working block diagram

1) Wide voltage application scope: for instance the and IA series with 200-240V VAinput; VB and JB series with 100-120V input; VD and JD series with 100-240V input; VF and JF series with 100-277V input and etc.;

3. Product characteristics

2) Easy to wire: the product is provided with the input and output co

the nameplate is the power input ter-minal; which should be connected wi

the nameplate is the power output terminal; which should be connected w ith the corresponding LED lighting; the “+”and the “-” of the output terminal should be con-nected with the positive pole and the negative pole of the L ED light respectively. 3) Safety withstand voltage test: Under the standard test atmosphere condition, the p-

withst and test for 1 minute without elec-roduct can withstand the power frequency voltage tric breakdown or flash; the product w it h t he different certifications should complies with the

corresponding standard. 4) Quality assurance: All products produced by our company have been made the st-rict inspection; 100% of which pass the full-load agin g test ; so, there is no fear of trouble in t-

rear. he

nnecting wires or the wiring terminal; the one identified by “ INPUT ” on

th the corresponding power supply; the one identif ied by “ OUTPUT ” on

1) Load characteristic of constant voltage power supply ① The constant voltage power supply is the load power which is less than or equal to the rated output power of the switch power; if the input voltage changes within the spe-cified power scope, the input voltage should be constant; (the variance is within the given t-olerance). For instance:

As shown by the picture as above: the load power at the output terminal is less than

60W; if the input voltage varies within the scope of (200V~240V) 10%, the output voltage is

12V constantly. ② If the load is miniwatt (for instance 20mA, 0.06W) and the LED lights installation in

series is adopted, the constant voltage power supply shall be preferred if aiming to get the jump change and scanning It is proposed to use the load with the power wit-change effect. hin the scope of 10%~90% of the rated voltage power output. 2) Load characteristics of the constant current power supply

±

①The constant voltage power refers to the power supply that its output voltage is wit-hin the given scope and its output current is constant when the input voltage changes within the specified scope.

The double-sided tape and the glass cement are the poor heat conductors;when install- ing, please install the metal board, and then contact i t o ntoo ther objects.

②Installation distance of LED switch power

Metal

MetalMetal

Wooden /plastic material

Good ventilation

Metal

Metal

Leave the heat dissipation side face to the ventilated side when installing indoor

Double-sided tape、glass cement

Double-sided tape、glass cement

Not good for heat dissipation

less than 3cm

More than 3cm More than 3cm

Leave at least 3cm distance when installing in parallel

Wooden /plastic material

4. Product's load characteristics

OU

TPU

T

Brown+Blue -

Brown+Blue -

IP66INPUT OUTPUT

MODEL: VA-12060P

200 240V 50/60Hz　

Waterproof LED power supply

IEC61347-2-13 0.7A Max

5A

2x30W

12V

INP

UT

Y/G

N:Blue

L:Brown

ta :40 ℃tc :65 ℃ MADE IN CHINA

×

For instance:

As shown by the picture as above, the maximum output power can only be conne-cted with the maximum load of 31.5W; if so the load can only star t work when the volta-ge at its both ends is within the scope of 10V and 45V.Under the above conditions, if the

input voltage changes within the scope of (200-240V) 10%, the output voltage is 700-

mA constantly. ②When the LED of the high power (for instance 350mA, 1w or more) is installed in series, if it is used for “normal on”, the constant current power shall be preferred.

±

1) Three principles for installation: ①The voltage of the electric grid in use must be ensured to be within the operating 10%voltage scope specified by the power supply; for instance: if the nominal input voltage

20 0V-240V, i t is required to connect the poweris than 264V.

underload or etc. ③Install the product in an environment and a way facilitating for the p ower supply for heat dissipation: A. Never install the power supply in a hot environment; a. Expose it in moving air; b. Leave the heat radiation space as large as possible; c. Install it in a metal plate with large area and make it contact well to radiate heat t-hrough the metal plate. 2) Installation method and procedures: ①Install and fix the power supply on a large metal plate to facilitate heat dissipation; ②Leave the input terminal “ disconnected ” when the product is connected;

supply with the electric grid with the volt-agenot less than 180V or higher

②Never use in the unexpected load, for instance overload or extreme

B. Ensure the power supply to radiate heat in three ways of heat transfer;

③Fix the connecting wires solidly and ensure to connect the input and output wire properly, namely connect “+” to “positive pole” and “-” to “negative pole” ; ④

⑤

Check if the voltage of the electric grid is consistent with the operating voltage of the power supply with the universal meter; The output terminal of our product is the low-voltage output; so it is prohibited to connect the output terminal and the input terminal reversely when making test ; otherwise it

power supply. may cause direct damage to the

3) Wiring diagram

Note: We have two regular wires, i.e.: ①Electronic wire: The electronic cable has two types of output wires: one is brown+bl-ue, the other is red+black; among which the brown and red wires are the positive pole of the

blue and black w epower supply, the ires ar the negative pole of the power supply; the input c-able is of two white wires;the yellowish green wire is the grounding wire. ②Sheathing wire: The water-proof wire with the black sheath is the input wire; the w-

re po-ire with the white sheath is the output wire; the brown co wire of the output wire is the “sitive pole ” output wire is the “negative pole”; the input wire is and the blue core wire of the

and blue wire; t he yellowish green wire is the grounding wire. in brown 4) Installation case (the wrong wiring is marked by a red “x”). m ode

黄/绿

蓝（ ）

棕（ ）棕（L）

蓝（N）LED开关电源

L

N

（GND）

（GND）

（L）（N）

brown(L)

blue(L)

brown(+)

blue(-)

yellow/green

LED POWER SUPPLY

Wrong installation mode

The power supply can not be installed in the closed and unventilated box

Leave enough space around to ensure ventilation when installing the power supply in a box

Correct installation mode

①Poor heat dissipation installation mode and the correct installation

5.Product Installation

Brown+

Blue

INP

UT

INPUT OUTPUT

MODEL: JA-45700M

200 240V 50/60Hz

Waterproof LED power supplyMax 45V

700 mA 31.5W -

OU

TP

UT

IP66IEC61347-2-13

0.33A MaxY/G

N:Blue

L:Brown

ta :40 ℃

tc :65 ℃MADE IN CHINA

×

For instance:

As shown by the picture as above, the maximum output power can only be conne-cted with the maximum load of 31.5W; if so the load can only star t work when the volta-ge at its both ends is within the scope of 10V and 45V.Under the above conditions, if the

input voltage changes within the scope of (200-240V) 10%, the output voltage is 700-

mA constantly. ②When the LED of the high power (for instance 350mA, 1w or more) is installed in series, if it is used for “normal on”, the constant current power shall be preferred.

±

1) Three principles for installation: ①The voltage of the electric grid in use must be ensured to be within the operating 10%voltage scope specified by the power supply; for instance: if the nominal input voltage

20 0V-240V, i t is required to connect the poweris than 264V.

underload or etc. ③Install the product in an environment and a way facilitating for the p ower supply for heat dissipation: A. Never install the power supply in a hot environment; a. Expose it in moving air; b. Leave the heat radiation space as large as possible; c. Install it in a metal plate with large area and make it contact well to radiate heat t-hrough the metal plate. 2) Installation method and procedures: ①Install and fix the power supply on a large metal plate to facilitate heat dissipation; ②Leave the input terminal “ disconnected ” when the product is connected;

supply with the electric grid with the volt-agenot less than 180V or higher

②Never use in the unexpected load, for instance overload or extreme

B. Ensure the power supply to radiate heat in three ways of heat transfer;

③Fix the connecting wires solidly and ensure to connect the input and output wire properly, namely connect “+” to “positive pole” and “-” to “negative pole” ; ④

⑤

Check if the voltage of the electric grid is consistent with the operating voltage of the power supply with the universal meter; The output terminal of our product is the low-voltage output; so it is prohibited to connect the output terminal and the input terminal reversely when making test ; otherwise it

power supply. may cause direct damage to the

3) Wiring diagram

Note: We have two regular wires, i.e.: ①Electronic wire: The electronic cable has two types of output wires: one is brown+bl-ue, the other is red+black; among which the brown and red wires are the positive pole of the

blue and black w epower supply, the ires ar the negative pole of the power supply; the input c-able is of two white wires;the yellowish green wire is the grounding wire. ②Sheathing wire: The water-proof wire with the black sheath is the input wire; the w-

re po-ire with the white sheath is the output wire; the brown co wire of the output wire is the “sitive pole ” output wire is the “negative pole”; the input wire is and the blue core wire of the

and blue wire; t he yellowish green wire is the grounding wire. in brown 4) Installation case (the wrong wiring is marked by a red “x”). m ode

黄/绿

蓝（ ）

棕（ ）棕（L）

蓝（N）LED开关电源

L

N

（GND）

（GND）

（L）（N）

brown(L)

blue(L)

brown(+)

blue(-)

yellow/green

LED POWER SUPPLY

Wrong installation mode

The power supply can not be installed in the closed and unventilated box

Leave enough space around to ensure ventilation when installing the power supply in a box

Correct installation mode

①Poor heat dissipation installation mode and the correct installation

5.Product Installation

Brown+

Blue

INP

UT

INPUT OUTPUT

MODEL: JA-45700M

200 240V 50/60Hz

Waterproof LED power supplyMax 45V

700 mA 31.5W -

OU

TP

UT

IP66IEC61347-2-13

0.33A Max

ZHUHAI TAURAS TECHNOLOGIES CO.,LTDwww.tauras.com.cn

Y/G

N:Blue

L:Brown

ta :40 ℃

tc :65 ℃MADE IN CHINA

2) Easy to wire: the product is provided with the input and output co

the nameplate is the power input ter-minal; which should be connected wi

the nameplate is the power output terminal; which should be connected w ith the corresponding LED lighting; the “+”and the “-” of the output terminal should be con-nected with the positive pole and the negative pole of the L ED light respectively. 3) Safety withstand voltage test: Under the standard test atmosphere condition, the p-

withst and test for 1 minute without elec-roduct can withstand the power frequency voltage tric breakdown or flash; the product w it h t he different certifications should complies with the

corresponding standard. 4) Quality assurance: All products produced by our company have been made the st-rict inspection; 100% of which pass the full-load agin g test ; so, there is no fear of trouble in t-

rear. he

nnecting wires or the wiring terminal; the one identified by “ INPUT ” on

th the corresponding power supply; the one identif ied by “ OUTPUT ” on

1) Load characteristic of constant voltage power supply ① The constant voltage power supply is the load power which is less than or equal to the rated output power of the switch power; if the input voltage changes within the spe-cified power scope, the input voltage should be constant; (the variance is within the given t-olerance). For instance:

As shown by the picture as above: the load power at the output terminal is less than

60W; if the input voltage varies within the scope of (200V~240V) 10%, the output voltage is

12V constantly. ② If the load is miniwatt (for instance 20mA, 0.06W) and the LED lights installation in

series is adopted, the constant voltage power supply shall be preferred if aiming to get the jump change and scanning It is proposed to use the load with the power wit-change effect. hin the scope of 10%~90% of the rated voltage power output. 2) Load characteristics of the constant current power supply

±

①The constant voltage power refers to the power supply that its output voltage is wit-hin the given scope and its output current is constant when the input voltage changes within the specified scope.

The double-sided tape and the glass cement are the poor heat conductors;when install- ing, please install the metal board, and then contact i t o ntoo ther objects.

②Installation distance of LED switch power

Metal

MetalMetal

Wooden /plastic material

Good ventilation

Metal

Metal

Leave the heat dissipation side face to the ventilated side when installing indoor

Double-sided tape、glass cement

Double-sided tape、glass cement

Not good for heat dissipation

less than 3cm

More than 3cm More than 3cm

Leave at least 3cm distance when installing in parallel

Wooden /plastic material

4. Product's load characteristics

OU

TPU

T

Brown+Blue -

Brown+Blue -

IP66INPUT OUTPUT

MODEL: VA-12060P

200 240V 50/60Hz　

Waterproof LED power supply

IEC61347-2-13 0.7A Max

5A

2x30W

12V

INP

UT

ZHUHAI TAURAS TECHNOLOGIES CO.,LTDwww.tauras.com.cn

Y/G

N:Blue

L:Brown

ta :40 ℃tc :65 ℃ MADE IN CHINA

×××

××

×

⑤ stands for the output voltage ; for supply, it sta- the constant voltage power nds for the rated output voltage; for the constant current power supply, it stands for t-

he maximum output standard voltage; for instance “52” means the maximum output v-otage is 52VDC. ⑥ stands for the output rated power and the output rated current. For the const-ant voltage power supply, it stands for the output p eow r;

curent power supply, it stands for the output c-urrent ( Unit: mA);for instance: J A-80350M, where 350” means the output current o“ f 350mA. ⑦ means the product housing type. 5) Protection functions

over-vo The product has the overload, over-current , ltage and short-circuit pr-otection functions; some of which have the anti-su and temperature control prot-rge ection functions ; when the product or t h e load are in the corresponding unexpected-ness status, the product can protect itself automatically. 6) Safety

gn so The product adopts the transformer isolation desi as to ensure the appli-cation safety of the product.

for in stance “300” means the output power of 300W; t for t h constane

The product consists of the following parts, i.e.: Input EMI filter, rectifying filter, PFC, DC-DC, output rectifying filter,PWM auxiliary control and other circuits. See the following working block diagram:

Installation mode when installing multiple LED switch power into the metal box

③

When installing multiple LED switch power into a closed box, please add the h-eat-conducting metal board in the middle and use the epoxy resin to seal so as to facil-itate heat dissipation. Installation mode when embedding the LED switch power underground ④

Since the power is embedded underground and heat can not dissipated through air, ple-ase use the heat-conducting article to transfer heat, for instance the practice to seal with the epoxy resin and etc.

AC input

EM

I filter

Re

ctify

ing

filter

Power coefficient correction

Power conversion circuit

Output rectifying filter

DC output

Control circuit /PWM

Detection & protection circuit

Metal

No stacking or piling up

Metal Not less than 5cm

Epoxy resin LED power supply Metal board Metal box

Power supply

Casing

Epoxy resin

2. Working block diagram

1) Wide voltage application scope: for instance the and IA series with 200-240V VAinput; VB and JB series with 100-120V input; VD and JD series with 100-240V input; VF and JF series with 100-277V input and etc.;

3. Product characteristics

H V D C - 1 2 0 2 0 A 0 1 8

Welcome to use brand dedicated LED power supply

1. General information 1)Main purpose and scope The product is mainly used indoor or outdoor with the LED lightings, aiming at tra-nsforming AC to DC which needed by the LED module; the product not only can be us-ed for LED lighting,but also for other DC power supply devices. 2)Type and specification of product

s mainly divided into two categories, one is constant voltage and the The produc t i

other is constant current . 3)Operating environment and storage conditions ①If using outdoor , the appropriate temperature should be of -25℃~+40℃, with t-he relative humidity not more than 98%; ②If using indoor , the appropriate temperature should be of -25℃~+50℃, with th-e relative humidity not more than 80%; ③If storing the product, the appropriate temperature should be of -25℃~+75℃, with the relative humidity not more than 80%. 4)Product designation A.The designation principle of the new product type is as follows: four English l-etters plus a “dash” (in the middle), plus 5-7 Arabic numbers, plus an English letter and 3 Arabic numbers. In particular case, a dash “ - ” and an English letter or an Arabic nu-mber can be prefixed to the first four English letters. B.The designation principle is illustrated as follows:

① is for the LED power application site; “H” means “ Indoor Dr i ver no letter ” ;is used to show the regular power supply; ② is for the constant voltage or the constant current category; “V” is for const-ant voltage; “J” is for constant current;

③ is for input voltage scope; “ A ” stands the scope of 200-24 0 V;for “B” sta-nds for the scope of “100-120V”; “D” stands for. the scope of “ 100-240V ”; “ E ” sta-nds for the scope of “ 200-277V ; “F” stands for the scope of “100-277V”. ”

e p ④ stands for the available functions. “ S ” s tands for th ro du ct passes PFC and EMC; “F” stands for the product passesPFC;“C” stands for the product passes EMC; no letter is used to show the regular power supply;

⑤ Abnormal superlight load's application characteristics If the load on the LED switch source is too light (less), please add the external load to match with the LED switching power supply. For the constant voltage power, please connect a resistor at the output terminal in parallel ; for the c onstant current power, please connect a resistor at the output terminal in series. A. Constant voltage power superlight load : when the power of the load connected with the LED switch power is less than 5% of the rated power, it can be judged as the constant v-oltage power superlight load .

B. Constant current power superlight load : when the rated power of the load is less than or equal to the minimal output voltage of constant current power, it can be judged as the constant current power superlight load.

6. Warranty

Constant voltage power supplyInput output

resistor in parallel

Input outputConstant current power supply

Series resistance

You are strongly recommended to read the Operating Instructioncarefully before use the product!

1) In the normal use conditions, the product enjoys the warranty period of 1.5 years, s-tarting from the date of production. If the product goes wrong in the warranty period, after it is confirmed the quality problem upon our inspection, we will replace with the same type of the product free of charge. 2) If the product involves in any of the following circumstances, our company shall be exempted from any responsibilities, i.e.: ①The product is used and damaged serious without following the Operating Instructi-ons; ②User dismantles or removes the internal parts without authorization and causes da-mage; ③The product is damaged or deformed seriously on the appearance; ④The date of production or the serial number on the product is erased or altered. 3) For all products of our company, if it is proved any failure or damage occurred to w-hich arising from the quality, our company shall be responsible for changing the product with the same type and same quantity.

..................1. General information 2-3

......Working principle of product 3-32.

.............3.Product characteristics 4-4

....4.Product's load characteristics 4-5

...................5.Product installation 5-9

............6.Product use instructions 9-10

.............7.Warning and disclaimer 10-10

Contents

7. Warning and disclaimer 1) The product must only be connected and changed by the personnel with -the professional qualifications; 2) Never use the regular products to drive the LE road lamps; if it is a must to drive the D

supply. road lamp, please b e h r lamp power assured to use t e oad 3) Before connecting the product with any load, please disconnect the input wire and be assured the load is matching; never connect the input and the output wire reversely; if the pro-duct has the grounding wire, please connect it with the ground correctly; 4) Never apply overload (exceeding the rated power) or sup ( for instance a-erlight loadpply 1w onto the 100W constant voltage power; or the constant current product is under the minimal output voltage of the power ) onto the power supply; otherwise it may cause the LED light flashing; 5) Lightning protection and filtering: When using the product outdoor or on high buildi-ng, please provide the lightning arrester; if the electric grid fluctuates seriously or the ambientenvironment is rather worse, p us the surge absorption plant; lease e 6) If the neutral wire is broken: the neutral wire of the 3- system plays the phase 4- wirerole of protecting the zero potential of the neutral point if there is unbalanced current flowing the 3-phase load and making the voltage of very phase unchanged. If the neutral wire is brok-en, the voltage of the phase with the lowest load shall rise and cause damage. Certainly the neutral wire of the 3-ph ase 4 - wire system must be kept in good condition without interrupti-on, with relative larger cross-section additionally (it is not limited by this clause if the PFC po-wer supply is available). 7) If the load connected with the power is the capacitive load, it may possibly not be started since the instantaneous starting current is too larg can trigger the automatic e ( which protection to the power supply ), so the power can not be used directly; if it is needed to use, please add the compensation device at the load to weaken or relieve the impact. 8) If the same project uses plenty of LED s witching power supplies, is needed it to pow-

on step by step; otherwise the one-switch start may cause large impact c urrent and trig-erger electric trip.

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LED Switching Power Supply

Operating Instructions