Low Voltage PR-80L Power Line Protection Relay

Feature

Feature of PR-80L Power Line Protection Relay

Ultra-wide range working power supply AC85-265V.
Undervoltage, overvoltage and frequency monitoring in AC systems.
Digital measured value display via multi-functional LCD display.
Save the latest 100 trip records.
Internal test/reset button, Integrated energy backup.
Asymmetry, phase fault 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 4-way relay, which can 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.

Electrical parameters

Measuring accuracy

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

Product standards

GB / T 14048.1 (IEC 60947-1)	Low-voltage switchgear and control equipment General Provisions
GB / T 14048.4 (IEC 60947-4)	Low voltage electromechanical contactors and motor starters requirements
JB / T 10613-2006	General specification for digital motor combined protection equipment
JB / T 10736-2007	Low voltage motor protection