PR 240 intelligent motor management relay is suitable for protecting, monitoring, metering, and controlling motors in industrial areas such as the chemical industry, mining industry, paper industry, water industry, etc.

This low-voltage intelligent motor protection relay is compact in size and cost-effectiveness. RS485 communication interface uses Modbus-RTU protocol to communicate with the backend network. The profibus-DP communication method is also optional.

Category:

Specification

The working environment of PR 240 Intelligent Motor Management Relay

Motor-rated voltage: AC380V / AC660V
Motor rated current: 0.5-820A
Working temperature: -10C ~ +55C
Storage temperature: -25C ~ +70C
Relative humidity: < 93% RH
Elevation: not more than 3000 m
Atmospheric conditions: installation site does not allow the explosive medium, containing gas to corrode metal and damage the insulation and conductive medium.

Measuring the accuracy of PR 240

Current: ± 0.5% @ 10% to 200% of Ie
Voltage: ± 0.5% @ 10%~150%Ue
Frequency: ± 0.1% @ 45 ~ 65Hz
Power factor: ± 1.0% @ 0 ~ 1.000
Active Power ± 1.0% @ 0 ~ 500kW
Leakage current: ± 1% @10% to 100% of Ir
Analog Output: ± 1% @4 ~ 20mA

Electrical parameters of PR 240 Motor Protector

Auxiliary Power:  AC90-240Vac/dc
Power consumption: <10 VA
Insulation resistance: > 100MΩ
Relay: Alarm relay @ 5A / 250VAC, 5A / 30VDC (NO node)

Electrical test of PR 240 Motor Protection Relay:

IEC 61000-4-2 level III
IEC 61000-4-4 level III
IEC 61000-4-5 level III
IEC 61010-1 AC2kV/1min Between power / input / output

Related products