PRODUCT DESCRIPTION
ABB 1SVR011703R2700 - Phase Monitoring Relay
This ABB CM-PFS.21S phase monitoring relay provides comprehensive protection for three-phase systems against critical power supply anomalies. It continuously monitors for phase sequence, phase loss, and phase unbalance, ensuring operational integrity and preventing damage to connected industrial equipment. Designed for integration into control panels, this device is essential for motor protection, HVAC systems, and critical load applications requiring robust power quality supervision.
Technical Specifications:
- SERIES/FAMILY: CM-PFS.21S
- COMPONENT TYPE: Phase Monitoring Relay
- ELECTRICAL SPECS:
- NOMINAL VOLTAGE: 3x160-300V AC (L-L)
- MEASUREMENT RANGE: 160-300V AC
- FREQUENCY: 50/60 Hz
- OUTPUT CONTACTS: 2 C/O (Changeover)
- RATED CURRENT (OUTPUT): 4 A (AC-12), 3 A (AC-15)
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Modular DIN Rail Device
- WIDTH: 22.5 mm
- INTERFACE/CONTROL:
- MONITORING FUNCTIONS: Phase Sequence, Phase Loss, Phase Unbalance
- ADJUSTMENTS: Adjustable Trip Delay, Adjustable Unbalance Threshold
- INDICATORS: LED Status Indication
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP50 (Housing), IP20 (Terminals)
- MOUNTING STYLE: DIN Rail Mount (EN 60715)
- OPERATING TEMPERATURE: -25 to +60 degrees C
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Three-Phase Motor Control, HVAC Systems, Pumping Stations, Industrial Machinery
- PROTECTION FUNCTION: Prevents damage from phase reversal, single-phasing, and voltage unbalance