Current and non-electrical protection
Provides overcurrent protection for feeders, transformers and motors, including three-stage phase overcurrent, earth fault, negative sequence, overload and non-electrical protection.
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MPR SERIES
MPR-2014
Overcurrent protection and monitoring
Combines current protection, temperature protection and reclosing elements.
Product features
Breaker control and monitoring
Supports breaker opening, closing, position monitoring, event logging and disturbance recording. Includes eight digital inputs and six relay outputs.
Local display and communications
Dot-matrix LCD with Chinese and English menus. Remote communications use RS485 / Modbus RTU.
Product test reports
- Type test report PDF · 52.8 MB
- EMC test report PDF · 20.6 MB
Where it fits and why
Verify phase and earth-fault overcurrent, non-electrical protection and reclosing requirements against the protection design.
Feeder vs. overcurrent protection
MPR-2013
Feeder protection and control with selectable communications interfaces.
MPR-2014
Focused on phase and earth-fault overcurrent, breaker monitoring and RS485.
√ Included · ● Optional · — Not listed
| Function | MPR-2013 | MPR-2014 |
|---|---|---|
| Current inputs | 8 | 4 |
| Voltage inputs | 4 | 1 |
| Digital inputs | 22 | 8 |
| Relay outputs | 8 | 6 |
| Instantaneous / time-delay overcurrent | √ | √ |
| Instantaneous / definite-time earth-fault overcurrent | √ | √ |
| Directional blocking | √ | — |
| Voltage blocking | √ | — |
| Inverse-time overcurrent | √ | √ |
| Inverse-time zero-sequence overcurrent | √ | √ |
| Zero-sequence overvoltage alarm | √ | — |
| Sensitive earth-fault detection | √ | — |
| Overload | √ | — |
| Undervoltage disconnection | √ | — |
| Underfrequency load shedding | √ | √ |
| Auto-reclosing | √ | √ |
| Accelerated protection | √ | — |
| Charging protection | √ | — |
| Negative-sequence overcurrent | — | √ |
| Inverse-time negative-sequence overcurrent | — | √ |
| Non-electrical protection | — | √ |
| Thermal protection | — | √ |
| Synchronism check | √ | — |
| CANBUS / IEC 60870-5-103 | √ | — |
| RS485 / Modbus RTU | √ | √ |
| RJ45 / IEC 60870-5-103 | ● | — |
| Disturbance recording | √ | — |
| Setting-group switching | √ | √ |
| Satellite time synchronization | √ | √ |
| Programmable outputs | √ | √ |
Drawing and panel checks
- Panel cutout: 82.5 × 159 mm (W × H). Supply: 86–265 V AC / 86–280 V DC. Communications: RS485 / Modbus RTU.
- Confirm CT secondary current, zero-sequence measurement, breaker interface and relay outputs.