PRODUCT DESCRIPTION
ASEA BROWN BOVERI 1SVR440821R1000 - Three-Phase Monitoring Relay
This ABB CM-PBE phase monitoring relay provides comprehensive protection for three-phase systems against critical power supply anomalies. It continuously monitors for phase sequence errors, 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 infrastructure where stable three-phase power is paramount.
Technical Specifications:
- SERIES/FAMILY: CM-PBE Series
- COMPONENT TYPE: Three-Phase Monitoring Relay
- ELECTRICAL SPECS:
- NOMINAL VOLTAGE: 3x300-500V AC
- FREQUENCY: 50/60 Hz
- OUTPUT CONTACTS: 2 C/O (Changeover)
- RATED CURRENT (OUTPUT): 4 A (AC-12), 3 A (AC-15), 2 A (DC-13)
- MECHANICAL/PHYSICAL:
- MOUNTING: DIN Rail
- HOUSING WIDTH: 45 mm (2.5 modules)
- INTERFACE/CONTROL:
- MONITORING FUNCTIONS: Phase Sequence, Phase Loss, Phase Unbalance
- UNBALANCE THRESHOLD: Adjustable 5-20%
- TRIP DELAY TIME: Adjustable 0.1-30 s
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP50 (Housing), IP20 (Terminals)
- OPERATING TEMPERATURE: -20 to +60 degrees C
- COOLING METHOD: Natural Convection
- COMPATIBILITY/APPLICATION: Motor protection, HVAC systems, Pumping stations, Industrial machinery, Critical power distribution panels