PRODUCT DESCRIPTION
ASEA BROWN BOVERI 1SVR405651R1100 - Three-Phase Monitoring Relay
The ASEA BROWN BOVERI CM-PVS.21P is a comprehensive three-phase monitoring relay from the CM-PVS series, engineered for continuous supervision of critical electrical parameters in industrial power systems. It employs advanced microcontroller-based detection to protect three-phase loads against phase sequence errors, phase loss, phase unbalance, and undervoltage conditions. This device is essential for safeguarding motors, pumps, HVAC systems, and other sensitive machinery in manufacturing, process control, and building automation applications.
Technical Specifications:
- SERIES/FAMILY: CM-PVS Series
- COMPONENT TYPE: Three-Phase Monitoring Relay
- ELECTRICAL SPECS:
- NOMINAL SUPPLY VOLTAGE: 3 x 300-500 VAC
- MEASUREMENT RANGE: 300-500 VAC (L-L)
- FREQUENCY: 50/60 Hz
- MONITORING FUNCTIONS: Phase Sequence, Phase Loss, Phase Unbalance, Undervoltage
- OUTPUT CONTACTS: 2 x SPDT (Changeover)
- RATED OUTPUT CURRENT: 4 A (AC-12), 3 A (AC-15)
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Modular DIN Rail Device
- WIDTH: 45 mm (2.5 modules)
- TERMINALS: Screw Terminals
- INTERFACE/CONTROL:
- ADJUSTMENT: Front-face potentiometers for threshold and time delay
- INDICATION: LED status indicators for operational state and fault conditions
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP20 (Terminals), IP50 (Housing)
- MOUNTING STYLE: DIN Rail (EN 60715)
- OPERATING TEMPERATURE: -25 to +60 degrees C
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Three-phase motors, pumps, compressors, HVAC systems, industrial machinery
- PROTECTION: Prevents damage from power supply irregularities, ensures operational integrity