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Feeder ProtectionRelay

REF 610

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Introduction

The Feeder Protection Relay REF 610

Basedonthesuccessof

thefamousSPAJ140

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Mechanical design

Basic parts

Metal case

Plastic front plate

Metal rear plate

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Mechanical design

Withdrawable relay unit

Case unit

Plug-in unit

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Mechanical design

Front plate

2 x 16 character alphanumeric

display (LCD)

6-button keypad

Local communication port,

wireless or via cable

3 pre-assigned LEDs

8 programmable LEDs

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Mechanical design

Inputs and outputs176mm

Connectors for

Uaux and I/O

Communication

connectors, e.g.

plastic fibre

Compression

type terminals

Ring-lug typeterminals

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Mechanical design

The CT secondaries are automatically short-circuited when the

relay unit is withdrawn from the case

No need for separate short-circuiting arrangements

CT outputs

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Mechanical design

REF 610 product information under the handle

Easy access of type specifications and ratings

Product information

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Battery backup of the real-time clock (RTC) and memory circuits,

disturbance recorder (DR), etc.

Automatically supervised and easy to change

Mechanical design

Battery back-up

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Flush, semi-flush or surface mounting using suitablemounting accessories

50 mm raising frame for semi-flush mounting

Mechanical design

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Tilted frame for high or low mounting

Mechanical design

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Mechanical design

1. Left side + right side+18c rails

2. Left side x 2 + 12c rails

3. Right side x 2 + 24c rails

Mounting alternatives in COMBIFLEX equipment frames

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Mechanical design

Withdrawable mechanical design

Easy to install and handle > short MTTR

Automatic shorting of main CT secondary circuits

Only the communication card remains with the case Mechanical coding for plug-in unit type identification

Possibility to preinstall and prewire empty case in switchgear

Height 4U (~177 mm)

Depth behind the panel only about 150 mm (100 mm possible!)

Easy mounting - no loose mounting accessories

Both compression type connection and ring-lug terminal connectionof CT secondary wires

IP 54 degree of protection by enclosure of the relay case whenflush-mounted.

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LCD, 2 x 16 characters, alphanumeric

7 languages always supported: English, Finnish, Swedish, German,Spanish, French, Italian

Name or code of protected object in display

IEC symbols / ANSI codes selectable

Fault indications

Five fault recordings with time stamp

Measurements

Currents

Historical data since commissioning, number of ARs etc.

Settings in 2 setting groups

Configurations such as protocol settings etc.

Product information, identification etc.

Functionality of REF 610

Front HMI

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Four analogue inputs for currents(IL1, IL2, IL3 and I0)

Two binary inputs (+ 3 additional on the optional I/O-card)

Arc-protection light inputs on communication card (option)


Inputs

Outputs

Three power output contacts capable of direct CB-operation

One contact has an integrated Trip Circuit Supervision

Double-pole operation also possible on main trip contact Two signal output contacts (+ 3 more on optional I/O-card)

IRF output for self-supervision signalling

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Protection functions IECsymbol

IEEEDeviceNo.

Three-phase non-directional overcurrent protection,

definite time three stages / IDMT one stage

I>, I>>,

I>>>

50/51

Phase discontinuity protection I> 46

Three-phase thermal overload protection for cables > 49

Non-directional earth-fault protection,definite time two stages / IDMT one stage

I0>, I0>> 50/51N

Arc protection ARC 50/50NLCircuit-breaker failure protection CBFP 62BF

Automatic Reclosing 1-3 shots 01 79

Lockout relay 86

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Optional ARC Protection (1) Arc detection via light sensor inputs or remote light signal via digital

input

Remotely detected arc (via digital input) can be used without lightdetection HW

Separate trip value settings for phase currents and earth-fault

current

Arc trip based on current and light/DI

Arc I> 0.5 35 x In (Default 2.50xIn)

Arc Io> 5.0 400 % (Default 20%)

Operate time

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Optional ARC Protection (2) Light signal output L>

Can be set to be activated immediately or to be blocked by ARC trip

Operate time

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Other features Phase / residual current measurement (RMS)

Negative phase sequence component measurement

Display of primary values

Fault indications user selectable in IEC symbols or ANSI codes

8 matrix programmable indication LEDs on front

Disturbance recorder (up to 5 s at 800 Hz)

Event buffer (100 events with time stamp)

Recorded data (5 latest events with time stamp)

Alarm indications


Real time clock for time-stamping (1ms resolution) of events etc.

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Other features continue Galvanically isolated binary inputs with a wide input voltage range

Output contact functions freely matrix-configurable

Normally open HD trip contacts, change-over typesignal contacts

Non-volatile memory for

up to 100 event codes

setting values

disturbance recorder data

recorded data of the five last events with time stamp number of AR shots and starts/trips for protection stages


operation indication messages and LEDs showing the status at the

moment

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Front communication (IrDa), supported protocol SPA

Can be used in wireless mode with laptop PC equipped with IrDA portor via cable RS --> IrDa-adapter (USB->RS->IrDa also possible)

Communication with relay indicated with a LED

Rear communication (via optional communication modules)

Supported protocols: SPA-bus slave

Modbus , RTU mode or ASCII mode

IEC 60870-5-103

DNP 3.0 Physical communication:

RS-485,

Plastic or glass fibre

Line-idle mode is user selectable (light-off/light-on)


Communication

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Module description Supported protocols

Plastic fibre optic SPA, IEC_103, Modbus

Plastic fibre optic with arc detector inputs SPA, IEC_103, Modbus

RS-485 SPA, IEC_103, Modbus

RS-485 with arc detector inputs SPA, IEC_103, Modbus

Combined plastic and glass fibre optic SPA, IEC_103, ModbusCombined plastic and glass fibre optic with arc

detector inputs

SPA, IEC_103, Modbus

DNP 3.0 communication module (RS-485) DNP 3.0

DNP 3.0 communication module (RS-485) witharc detector inputs

DNP 3.0

Optional communication modules


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Optional I/O modules includes

Three additional signal outputs (SO3, SO4, SO5)

Three additional digital inputs (DI3, DI4, DI5)

Two options with different DI thresholds

Low: 24/48/60/110/125/220/250 Vdc

High: 110/125/220/250 Vdc

Optional I/O modules


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Semi-flush mounting kit

Inclined (tiltied in 25) semi-flush mounting kit

Wall mounting kit

19 Rack mounting kits

Accessories


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REF 610 in a nutshell

Compact, short box, 4U, draw-out

Easy to install and handle, short MTTR

Large variety of mounting accessories / options

Highly flexible basic feeder protection Multifunction, dual setting banks

Auto-reclose functionality as option

Optional arc-protection

High amount of I/O hardware

All I/O fully matrixed, enables optimal use

Freely programmable LED-indicators on front

Multilingual, ANSI / IEC indications

More communication protocols

More recorded / memorised values

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Ordering key:

Ordering

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