PR260 Electronic Motor Protection Relay with Overload leakage current protection
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This electric motor protective relay offers up to 11 programmable switching active and passive node inputs and 6 programmable relay outputs. Alarm values and action values can also be set for all motor protection functions at the same time. Just Get the right motor protection solution to reduce downtime, extend your motor lifespan, and improve safety.
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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