AcuMC-625
Accuenergy Motor Protection Controller AcuMC 625

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Accuenergy Motor Protection Controller AcuMC 625
['Home', 'Motor Protection', 'AcuMC Series', 'AcuMC 625'] Need Accuenergy AcuMC 625? Motor Protection Controller for Lo…
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Specifications
| Brand | Accuenergy |
|---|---|
| Model Number | AcuMC 625 |
| Official Product Name | AcuMC 625 Intelligent Motor Protection Controller |
| Applicable System | Low-Voltage Motor Control and Protection (up to 660 V) |
| Product Type | Motor Protection Controller / Relay |
| Equivalent Standard | Contact us for cross-reference and alternative models |
| Product Status | Available on request |
| Protected motor current range | 0.5 to 820 A (via built-in or external CT) |
| Motor rated voltage | AC 220/380/660 V, 50/60 Hz |
| Auxiliary power supply | AC 85 to 265 V (per OEM listings; confirm with supplier) |
| Communication | RS-485, Modbus-RTU |
| Analog output | 1 x 4 to 20 mA |
| Protection functions | Overload, underload, phase-loss, unbalance, locked-rotor, over-current, ground-fault, under/over-voltage |
| Digital inputs / outputs | Multiple DI/DO (configuration dependent; confirm with supplier) |
| Display | LCD (Chinese/English) with fault indication |
| Protection degree | Main body IP20; separate display module IP54 (per OEM listing) |
| Operating temperature | -10 to +55 deg C (per OEM; confirm with supplier) |
| Mounting | Panel flush / DIN-rail (configuration dependent) |
| Product type | Intelligent motor protection controller (relay) |
Product Description
It integrates motor start/stop control with a built-in RS-485 Modbus-RTU interface and a 4 to 20 mA analog output for connection to PLC, DCS and monitoring systems. Confirm exact brand, firmware, configuration and compliance with your supplier, as catalog listings for this model vary by manufacturer. The AcuMC 625 is an intelligent motor protection controller (motor protection relay) that monitors three-phase current, line voltage and ground/leakage current to protect low-voltage asynchronous motors against overload, phase-loss, unbalance, locked-rotor, over-current and ground faults.
Basic Product Information
- Built-in RS-485 communication with Modbus-RTU protocol for remote monitoring, control and parameter setting
- 4 to 20 mA analog output for integration with PLC, DCS and SCADA systems
- Supports multiple start modes (direct, star-delta, soft, variable-frequency, bidirectional) and motor start/stop control
- Event/fault recording (up to 100 fault records) with LCD human-machine interface in Chinese/English
- Comprehensive motor protection: overload, underload, phase-loss, phase-unbalance, locked-rotor, over-current and ground/leakage fault
Technical Specifications
Version & Model Difference
['AcuMC 625 is offered in integral (built-in CT) and split (external CT) versions covering current ranges such as 6.3A, 25A, 100A, 250A, 500A and 820A.', 'Optional extensions include a tE time protection, extra Modbus/Profibus port, analog input and temperature protection module.']
Application Scenarios
- Protection and control of low-voltage asynchronous motors in power, petrochemical, metallurgy, mining and marine applications
- Retrofit of thermal relays and separate protection devices in motor control centers (MCC)
- Remote motor monitoring and predictive maintenance via plant DCS/SCADA
Frequently Asked Questions
What does the AcuMC 625 protect against?
It protects low-voltage motors against overload, underload, phase-loss, phase-unbalance, locked-rotor, over-current, ground/leakage faults and under/over-voltage, depending on configuration.
How does the AcuMC 625 communicate with control systems?
It has a built-in RS-485 port using the Modbus-RTU protocol and a 4 to 20 mA analog output, allowing integration with PLC, DCS and SCADA systems for remote monitoring and control.
What motor current range can it cover?
OEM listings state a protected current range from 0.5 A up to 820 A using built-in or external current transformers; confirm the exact range and CT requirement with your supplier.
Who manufactures the AcuMC 625 and what standard applies?
The AcuMC 625 is listed by several Chinese motor-protection OEMs; the 'Accuenergy' brand attribution could not be confirmed against Accuenergy (Canada). Confirm brand, origin and applicable standard (e.g. JB/T 10736-2007) with the supplier.
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