Low Voltage PR600 Power Line Protection Relay

Feature & Function

Feature of PR600 Power Line Protection Relay

Ultra-wide range working power supply AC85-265V.
Undervoltage, overvoltage, and frequency monitoring in 3(N)AC systems 0…690 V.
Digital measured value display via multi-functional LC display.
Save the latest 100 trip records.
Internal test/reset button, Integrated energy backup.
Asymmetry, phase failure, and phase sequence monitoring.
Adjustable start-up delay, response delay, and delay on release.
The protection functions are complete, and each protection function can realize protection shutdown, alarm, or trip.
Built-in 5-way relay, which can be set to protection mode and measurement and control mode.
Programmable analog output function, standard RS-485 communication interface.
96*96mm, Modular design, small size, and flexible structure.
Measurement voltage, current, temperature, and frequency signals.

The function of the PR600 Line Protection Device
The standard configuration of PR600 has protection functions such as start-up timeout, overload, phase failure, ground/leakage protection, overcurrent stall, current unbalance protection, short circuit, underload, temperature, Undervoltage, overvoltage, frequency, under power factor, non-electricity, and other protection functions are optional.

Description		Function configuration
Description		Standard configuration	Optional function
Protection	Overcurrent protection section I (quick-break protection)	yes	No
	Overcurrent protection stage II	yes	No
	Overcurrent protection stage III	yes	No
	Overload protection (inverse time overcurrent protection)	yes	No
	Ground leakage protection	yes	yes
	Overvoltage protection	yes	No
	Under voltage protection	yes	No
	Non-electrical protection (external fault)	yes	No
	Anti-shock	No	yes
operating mode	protected mode	yes(can be set)	No
operating mode	Measurement and control mode	yes(can be set)	No
Communication function	1 RS-485 interface, communication protocol: MODBUS-RTU protocol	yes	2way
	Profibus-DP interface	No	yes
Switch input	10 DI inputs	yes	No
Relay output	5 channels of DO output	yes	No
Analog output	1-2 channels DC4~20mA output, corresponding parameters can be set	No	yes
Measurement	Three-phase voltage, three-phase current, voltage, and current phase angle, ground/leakage current, three-phase current unbalance rate, heat capacity	yes	No
	Thermal resistance, three-phase line voltage, frequency, power factor, active power, reactive power	yes	No
broken record	Record 100 recent fault information with a resolution of 1s	yes	No
Fault recording	Record 100 waveform information at the time of fault occurrence	No	yes
Statistics	Record the total running time, total parking time, number of stops, and number of trips of the line	yes	No
Restart under voltage or loss of voltage	Realize short-term Undervoltage and voltage loss restart function	yes	No

Specification

Electrical parameters

Power supply:	85-265V AC/DC
Power consumption:	<10 VA
Insulation resistance:	> 100MΩ
Alarm relay	5A @ 250VAC, or 5A @ 30VDC (NO contact)

Measuring accuracy

Current:	± 0.5% @ 10%~200% of Ie
Voltage:	± 0.5% @ 10%~150%Ue
Frequency:	± 0.1% @ 45~65Hz
Power factor:	± 1.0% @ 0~1.000
Power:	± 1.0% @ 0~500kW
Leakage current:	± 1% @10%~100% of Ir
Thermal resistance:	± 1% @0.1K~30K

Working environment

Motor rated voltage:	AC380V / AC660V
Motor rated current:	0.5-820A
Working temperature:	-10C ~ +55°C
Storage temperature:	-25C ~ +70°C
Relative humidity:	< 93% RH
Altitude:	No more than 3000 m
Atmospheric conditions:	Operating place must not have the explosive medium and contain Gases that corrode metals and damage insulating and conductive medium.

Electrical test

Electrostatic discharge:	IEC 61000-4-2, Level III
Electrical fast transient burst:	IEC 61000-4-4, Level III
Surge shock:	IEC 61000-4-5 , Level III
Withstanding voltage:	IEC 61010-1, AC2kV/1min Between power / input / output