PR 260 Motor Protection Controller

The modular PR 260 Motor Protection Controller is a motor management device that can hold numerous I/O modules. The product’s status detection and motor control modes are arranged flexibly. Furthermore, PR260 keeps an eye on temperature, voltage, and current in addition to offering a full range of 22 protection features. Integrated protection, motor control, metering, and data logging are just a few of its features.

Usually, three-phase induction motors with medium to high horsepower and low to medium voltage are protected by this Motor Protection Controller.

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Features of PR 260 Motor Protection Controller

  • Waveform capture function with 100 lists makes it simple to identify the error.
  • network communications using RS-485.
  • Seven digital inputs and four digital outputs.
  • Two programmable analog outputs are optional.
  • Additional optional Modular: 2* RS485 or 2* Profibus-DP port on PR-26C extra; 2* programmable port on PR-265 additional Six*DO and eleven*DI.
  • Accept the extra function module that is configured.

Application of PR 260 Motor Protection Controller

  • Metallurgical
  • Chemical
  • Textile
  • Other industrial motors and power systems

Specification of PR 260 Motor Protection Controller

Electrical parameters  
Auxiliary Power 85-265Vac/dc
Power consumption <4 VA
Insulation resistance >100MΩ
Relays 5A/250VAC, 5A/30VDC (NO contact)
Motor rated voltage AC220V / AC380V / AC660V
Motor rated current 0.5-200A use internal CT
200A-820A use external ../5A CT
Leakage current sensor(1) 0-1A
Impulse withstand voltage 4 kV
Measuring accuracy:
Current ± 0.5% @ 10~120% Ie
Voltage ± 0.5% @ 10~150% Ue
Frequency ± 0.1% @ 45~65Hz
Power factor ± 1% @ 0.0~1.0
Power ± 1% @ 0~500 kW
Leakage current ± 1% @ 10~100% Ir
Temperature ± 1% @ 0.1~30 K
Analog Output ± 1% (4 ~ 20mA)
External port:  
Comm port(2) RS485 MODBUS-RTU
Optional Profibus-DP
Digital input Regular 7DI, max11 DI(3)
Digital output Regular 2DO, max 6DO(4)
Analog Output Optional 1AO
Working environment:  
Working temperature -10C ~ +55°C
Storage temperature -30C ~ +70°C
Relative humidity < 93% RH
Elevation Less than 3000 m
Electrical test:  
Standard reference IEC 60947-1
IEC 60947-4
Electrostatic discharge Severity: level III
Severity Severity: level III
Surge Severities: level III
Voltage Characteristics Between two of the power / input / output between AC2kV/1min

(1) leakage sensor is optional accessories.

(2) PR 260 Motor Protection Controller have independent communication module, please refer ordering information.

(3) PR 260 Motor Protection Controller have independent I/O module, optional active contact node (220Vac/dc or 110Vdc).

Other models use passive contact node; relay body provide 15Vdc loop power.

(4) PR 260 have independent I/O module, DO trip functions can free to configuration.