ABB CM-UFD.M22M multifunctional grid feeding monitoring relay with Modbus RTU communication, 24-240 V AC/DC supply, 0-540 V AC measuring range and three changeover relay outputs.
£935.66
The ABB 1SVR560731R3700, also known as the CM-UFD.M22M, is a multifunctional grid feeding monitoring relay with integrated Modbus RTU communication. Designed for renewable energy applications, it provides reliable interface protection between distributed power generation systems and the public electricity grid by continuously monitoring voltage and frequency conditions.
The CM-UFD.M22M supervises critical electrical parameters including overvoltage, undervoltage, overfrequency, underfrequency, interrupted neutral conditions, ROCOF (Rate of Change of Frequency) and 10-minute average voltage. When monitored values exceed configured thresholds, the relay activates external switching devices to safely disconnect the generation system from the electrical network.
Featuring a phase-to-phase measuring range of 0-540 V AC, a 24-240 V AC/DC universal control supply and three changeover relay outputs, the CM-UFD.M22M is ideal for photovoltaic systems, embedded generation installations and industrial grid interface panels. Integrated Modbus RTU allows seamless connection to supervisory control and energy management systems.
The ABB CM-UFD.M22M continuously monitors the quality and stability of the public electricity grid by measuring voltage and frequency. When abnormal grid conditions occur, the relay signals external switching equipment to disconnect the renewable energy installation, helping maintain grid stability and protect connected equipment.
Its integrated Modbus RTU communication interface enables operating data, alarms and measured values to be transmitted to SCADA systems, building management systems and energy management platforms, providing enhanced visibility and remote diagnostics.
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| Voltage | 540 V | |
|---|---|---|
| Manufacturer | ABB | |
| Series | CM-UFD | |
| Model | CM-UFD.M22M | |
| Product ID | 1SVR560731R3700 | |
| Product type | Grid feeding monitoring relay | |
| Communication | Modbus RTU | |
| Rated control supply | 24-240 V AC/DC | |
| Phase-to-phase measuring range | 0-540 V AC | |
| Phase-to-neutral measuring range | 0-312 V AC | |
| Output contacts | 3 changeover (SPDT) contacts | |
| Protection rating | IP20 | |
| Mounting type | DIN rail mounting | |
| Terminal type | Screw terminals | |
| Operating temperature | -20°C to +60°C | |
| Dimensions (H × W × D) | 90 × 108 × 67 mm | |
| Net weight | approx. 0.312 kg | |
| HS Code | 85364900 |
The CM-UFD.M22M provides interface protection between renewable energy generation systems and the public electricity grid by monitoring voltage and frequency conditions.
Yes. It features an integrated Modbus RTU communication interface for remote monitoring and integration with control systems.
The relay measures 0 to 540 V AC phase-to-phase and 0 to 312 V AC phase-to-neutral.
The CM-UFD.M22M provides three changeover (SPDT) relay outputs for controlling external contactors, switch-disconnectors or circuit breakers.
It is commonly used with photovoltaic systems, distributed energy resources, embedded generation and industrial renewable energy installations requiring reliable grid interface protection.
ABB CM-UFD grid feeding monitoring relays are trusted by renewable energy installers and electrical engineers to provide dependable interface protection, advanced monitoring and reliable communication for grid-connected power generation systems.
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