Technology of Electrical Automatic

PR 260 Motor Protection Relay

PR 260 Motor Protection Relay

PR 260 is modular design motor managerment device, accommodate more I/O modules. Flexible arrangement of motor control modes and state sensing. monitors voltage, current, and temperature to provide a comprehensive package of 22 protective functions. with integrated protection, motor control, metering, and data-logging functions.

This system is typically used to provide protection for three-phase low- and mediumvoltage, mediumto high-horsepower induction motors.

Category:

PR 260 is modular design motor managerment device, accommodate more I/O modules. Flexible arrangement of motor control modes and state sensing. monitors voltage, current, and temperature to provide a comprehensive package of 22 protective functions. with integrated protection, motor control, metering, and data-logging functions.

This system is typically used to provide protection for three-phase low- and mediumvoltage, mediumto high-horsepower induction motors.

Category:

Features

  • Panel mounting HMI unit and Din-rail mounting control module.
  • Suit for Motor under 0.66KV and any current range.
  • HMI unit provide 3-phase current voltage monitors, Power Measurement.
  • Control unit use ../5A CT connect.
  • Abundant protection modes can be freely selected to alarm or trip.
  • Can selected a variety of startup modes for different wiring application.
  • 100 lists Waveform capture function, easy to trace back the fault.
  • RS-485 network communications.
  • 4 digital outputs, and 7 digital inputs.
  • Optional 2 programmable analog output.

Specifications

Working environment:

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 accuracy:

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:

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

Electrical test:

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

Selectable Models

Accesseries selection table

Downloads

Brochure of PR motor protection relay