The ABB CM-UFD.M31 is an advanced monitoring relay designed to ensure the reliability and safety of electrical systems. This device is versatile, supporting both single (1 Phase) and three-phase (3 Phase) applications. It operates across a broad voltage range of 24 to 240 V, compatible with both AC and DC systems. This flexibility makes it suitable for a wide array of electrical installations.

The ABB CM-UFD.M31, Frequency, Voltage Monitoring Relay with SPDT Contacts, 1, 3 Phase: Core Features and Benefits

• The CM-UFD.M31 operates efficiently in a voltage range of 24 to 240 V, accommodating both AC and DC power sources.
• It can monitor under and over-voltage conditions, phase sequence, and phase failure.
• The relay features SPDT contacts, offering flexibility in control circuit design.
• Users can customise settings for thresholds and delays, allowing the relay to be tailored to specific application requirements.
• Its compact size makes it perfect for installations where space is at a premium without compromising on functionality.

Versatile Applications of the Voltage Monitoring Relay

The relay’s adjustable features and compact design make it a valuable tool in protecting electrical systems across multiple sectors.

• Industrial Systems: It is ideal for monitoring motors, pumps, and compressors in industrial settings, ensuring they operate within safe electrical parameters.
• Commercial Buildings: Commercial buildings can be used to safeguard HVAC systems, elevators, and lighting systems from electrical anomalies.
• Energy Sector: The relay finds applications in renewable energy installations, like solar and wind farms, where it helps protect inverters and other critical components from electrical faults.
• Data Centres: Data centres can utilise this relay to monitor the power supply conditions, ensuring the continuous and safe operation of servers and networking equipment.

For more information please check the datasheets.