ABB CM-MPS.23S 1SVR730885R4300 Phase and Voltage Monitoring Relay

• Frequency Sensing Range: 45–440 Hz
• Contact Configuration: Single-pole double-throw (SPDT)
• Voltage Sensitivity: Overvoltage and undervoltage detection
• Phase Sensitivity: Phase loss, phase imbalance, and phase sequence detection
• Time Delay: Adjustable from 0 seconds to 30 seconds
• Maximum Voltage Sensing: 280 V AC
• Minimum Voltage Sensing: 180 V AC
• Dimensions (H × W × D): 103.7 mm × 22.5 mm × 85.6 mm
• Operating Temperature Range: -25°C to +60°C
• Protection Class: IP20 (enclosure)

Functional Characteristics:

• Accurate Monitoring: Provides precise detection of phase and voltage abnormalities to prevent equipment damage and downtime.
• Adjustable Time Delay: Allows users to set the time delay for relay activation, reducing false alarms caused by transient conditions.
• SPDT Contacts: Offers flexibility in circuit design by providing both normally open (NO) and normally closed (NC) contacts.
• Compact Design: Space-saving dimensions facilitate easy installation in control panels and switchgear.
• Wide Operating Temperature Range: Ensures reliable performance in harsh industrial environments with extreme temperatures.
• High Protection Class: IP20 rating protects against dust and accidental contact, enhancing safety and durability.

Application Scenarios:

• Industrial Automation: Monitors phase and voltage in motor control centers (MCCs) to ensure smooth operation of conveyors, pumps, fans, and compressors.
• Power Generation: Protects generators and transformers from abnormal voltage and phase conditions, ensuring stable power output.
• Manufacturing: Safeguards machinery and robotics by detecting power supply issues that could lead to production interruptions or equipment damage.
• Building Automation: Ensures reliable operation of HVAC systems, lighting, and security equipment by monitoring phase and voltage stability.
• Water Treatment: Protects pumps and filtration systems from phase loss or voltage fluctuations, preventing costly repairs and downtime.
• Petrochemical Industry: Monitors power supply in oil fields, refineries, and pipelines to maintain safe and efficient operations.