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Polymer Insulator
◈ Characteristics of Polymer Insulator
The main element of polymer insulator displays very excellent properties in terms of heatproof
performance, chemical stability, electrical insulation, wear resistance and glossy performance compared
to general organic rubbers thanks to its both sides nature-organic and inorganic properties expressed
simultaneously by silicone.
◈ Merits of Polymer Insulator
1. Light weight : Lighter than porcelain insulator, providing easy work and shortened period of
construction(reducing power interference by shortened electricity failure time)
2. Elastic body : Easier handing and transportation by reduced damage from careless
3. Weather resistance : Reducing maintenance cost without need for washing or cleaning
4. Water repellency : Excellent insulation performance with water-resistion properties
◈ Product Picture
◈ Specification
ITEM 15kV 25kV 35kV 69kV
Dimension
Section length(L) 330±15mm 445mm 539mm 888mm
Leakage distance 439mm 642mm 850mm 2037mm
Min. arcing distance 215mm 300mm 340mm 701
Electrical Rating
Low frequency dry flash over voltage test
97 143 168 260
Low frequency wet flash over voltage test
67 115 137 210
Critical impulse flashover
voltage test
Positive 173 217 258 425
Negative - 304 340 425
Radio influence Voltage test
Max. Voltage test 1(Max) 1(Max) 1(Max) 3 Phase to earth 20 25 25 30
Mechanical Rating
Failing load test 700kgf 700kgf 700kgf 1000kgf
Number of sheds 4 6 8 15
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LIGHTNING ARRESTER
◈ Introduction & Installation
Polymer-housed arresters are used for limiting the overvoltage due to a lightning and switching
surge to the required protective level. The superior protective characteristics of arrester provide level.
The superior protective characteristics of arrester provide excellent overvoltage protection for
distribution system equipments.
Features of arresters include,
• Light weight and easy installation.
Excellent discharge capacity compared with porcelain-housed arrester
• Verified the performance in contaminated environments.
• Insulated mounting base and ground lead isolator,
• wildlife protector available(optionally).
◈ Product Picture
◈ 10kV Electrical Character
TYPE Rated
Voltage(kN)
MCOV (kV)
Steep Current Impulse
Switching Current Impulse
Lighting Current Impulse
High Current Impulse
KW10A-9 9 7.65 28.5 23.1 27 100
KW10A-12 12 10.2 38.5 30.8 69 100
KW10A-15 15 12.7 47.5 38.5 45 100
KW10A-18 18 15.3 57.0 46.2 54 100
KW10A-21 21 17.0 66.5 53.9 63 100
KW10A-24 24 19.2 76.0 61.6 72 100
KW10A-27 27 21.9 85.5 69.3 81 100
KW10A-36 36 29.0 114 92.4 108 100
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INTERRUPTER SWITCH
◈ Introduction
Interrupter switch(LBS) is a three
phase transmission part operated swith
utilized to sectionalize or isolate circuits
on electrical distribution systems up
through 25.8KV, the distribution switch
is rated for 600 amperes continuous
current and 40.000 amperes momentary.
◈ Specification
Items Data Origin Rated voltage(KV) 24/25.8
Han Sung/ Korea
Rated current(A) 600/630
Momentary(KA) 40
1 sec(KA) 25
Rated frequency(Hz) 50/60
Withstand voltage(1 Min, Dry)(KV) 70
Impulse withstand voltage(KV) 150
Support insulator (polymer) TR-208
Weight(Kg) 90
Tolerance ±5%
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YOUNG JIN www.globalyj.com
Over load, short circuit protection DC
1.25 rated load current 60sec
1.5 rated loads current 5sec
over load protection action.
≥3 Rated load current short circuit protection action.
AC Fuse
Quiescent current ≤ 6 mA
Charge circuit voltage drop ≤ DC 0.26V
Load circuit voltage drop ≤ DC 0.15V
Over voltage protection 17V
Work temperature Industry stage:-35℃ to +55℃;Commercial stage -5℃ to +50℃
Boost charge voltage 14.6V; (keep 10min)
Direct charge voltage 14.4V; (keep 10min)
Float charge voltage 13.6V
charge return voltage 13.2v
Temperature compensation -5mv/℃/2v(Boost charge, Direct charge,
Float charge, charge return voltage);
Lower voltage indicate 12.0V
Over discharge voltage 11.1V(no load)- modified voltage by discharge rate of
battery; ×2/24V
Over discharge return voltage 13.1 V
Over-discharge pressed return voltage 12.4 V
DC Control mode PWM charge mode; modified discharge voltage by the discharge rate
Description Rated Power Voltage Using Time
Fluorescent lamp 1EA 7 W 12Vdc 50 Hour≒
Radio 1EA 50W 12Vdc 7 Hour≒
14” Notebook 75W 220Vac 5 Hour≒
19” Color TV 160W 220Vac 2 Hour≒
Desktop Computer with Monitor 500W 220Vac 1 Hour≒