PR260 Earth Leakage Relay Electronic Motor Protection Relay Overload leakage current relay
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PR260 Earth Leakage Relay Electronic Motor Protection Relay Overload leakage current relay
Description
PR 260 is a motor management device of modular design, accommodating many I/O modules. The product can flexibly arrange motor control modes and state sensing. In addition, PR260 monitors voltage, current, and temperature, provide a comprehensive package of 22 protective functions. It has some functions, including integrated protection, motor control, metering, and data-logging.
This system is typically used to provide protection for three-phase low-and medium voltage, medium to high-horsepower induction motors.
Features
l Panel mounting HMI unit and Din-rail mounting control module.
l Suitable for Motor under 0.66KV and any current range.
l HMI unit provide 3-phase current voltage monitors, Power Measurement.
l Control unit use .../5A CT connect.
l Abundant protection modes can be freely selected to alarm or trip.
l Can select a variety of startup modes for different wiring application.
l 100 lists Waveform capture function, easy to trace back the fault.
l RS-485 network communications.
l 4 digital outputs, and 7 digital inputs.
l Optional 2 programmable analog output.
l Extra optional Modular:
PR-26C extra 2* RS485 or 2* Profibus-DP port;
PR-265 extra programmable 11*DI and 6*DO.
l Accept customized extra function module
Applications
l Metallurgical
l Chemical
l Textile
l Other industrial motors and power systems
Specification
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 |
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 |
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 have independent communication module, please refer ordering information.
(3) PR 260 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.
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