Intelligent Digital Motor Thermal Protector Relay Used for 3 Phase Electric Motor with Temperature Protection Function
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Product Details
| Customization: | Available |
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| Theory: | Electromagnetic Relay |
| Usage: | Motor Protect |
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Basic Info.
- Model NO.
- PR240 series
- Phase
- 3
- Electricity Type
- Ac
- Number of Pole
- 2
- Load
- Medium Power Relay
- Protective Characteristics
- Enclosed Relay
- Action Principle
- Electromagnetic Type
- Size
- 98.5×61.5 mm
- Type
- Electric Parameter Relay
- Protect Feature
- Automatic Trig
- Contact Load
- 5A*220V
- Transport Package
- Please Consult with Us for More Detail Information
- Specification
- 10*10cm
- Trademark
- BlueJay Technology
- Origin
- Chongqing, China
- Production Capacity
- 10000 Piece/Pieces Per Day
Product Description
The motor protection relay is an all-in-one solution designed to continuously monitor 3-phase power lines for abnormal conditions. It is suitable for the protection and monitoring of low-voltage motors with rated voltage less than 690V and rated current up to 820A.
The series of products monitor the field signals in real time, and detect the faults caused by abnormal starting, overload, overcurrent, overheating, stalled rotor, phase loss and unbalance, under voltage, overvoltage, under power, underload, grounding or leakage of the motor.
The motor protector realizes measurement function, protection function, motor start/stop control function and remote communication function; it has 7-channel DI, which can be configured according to needs, supports MODBUS-RTU communication bus, and can upload monitoring data and alarm status to remote control system
The series of products monitor the field signals in real time, and detect the faults caused by abnormal starting, overload, overcurrent, overheating, stalled rotor, phase loss and unbalance, under voltage, overvoltage, under power, underload, grounding or leakage of the motor.
The motor protector realizes measurement function, protection function, motor start/stop control function and remote communication function; it has 7-channel DI, which can be configured according to needs, supports MODBUS-RTU communication bus, and can upload monitoring data and alarm status to remote control system
* Modular design, small size, flexible structure;
* Ultra-wide range working power supply AC85-265V;
* Full parameter measurement, dot matrix LCD display;
* Suitable for motors under 0.66KV and any current range;
* A control unit uses a CT connection with max 5A input;
* Multiple startup modes for different wiring applications;
* Save the latest 100 trip records;
* Programmable analog output function and standard RS-485 communication;
* Provide 4 digital outputs, and 7 digital inputs;
* All binary inputs and outputs can be programmed to set their functions;
* Optional Waveform capture function for easy fault tracing;
* Provide variety of additional DI/DO modules and communication modules * facilitate the control needs of different sites;
* Complete protection functions, each protection function can realize protection * shutdown, alarm or tripping.
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 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 |
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