DESCRIZIONE PRODOTTO
ASEA BROWN BOVERI 1SVR427071R0000 - Three-Phase Monitoring Relay
The ASEA BROWN BOVERI 1SVR427071R0000 is a self-supplied, microprocessor-based three-phase monitoring relay designed for comprehensive protection of industrial loads against critical power supply anomalies. This device detects phase loss, incorrect phase sequence, and phase unbalance, providing robust supervision for motors, pumps, HVAC systems, and other sensitive three-phase equipment in industrial automation and control applications. It integrates adjustable thresholds and time delays to prevent equipment damage and ensure operational continuity.
Technical Specifications:
- SERIES/FAMILY: CM-PFS.S
- COMPONENT TYPE: Three-Phase Monitoring Relay
- ELECTRICAL SPECS:
- NOMINAL VOLTAGE RANGE: 3 x 160-690V AC (L-L)
- MEASUREMENT PRINCIPLE: True RMS
- AUXILIARY SUPPLY: Self-supplied from measuring voltage
- OUTPUT CONTACTS: 2 x C/O (Changeover)
- OUTPUT CONTACT RATING: 250V AC / 4A (AC-12), 24V DC / 4A (DC-12)
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Modular DIN-rail mountable housing
- TERMINALS: Screw terminals
- INTERFACE/CONTROL:
- MONITORING FUNCTIONS: Phase loss, phase sequence, phase unbalance
- ADJUSTABLE THRESHOLDS: Phase unbalance (5-20% of nominal voltage)
- ADJUSTABLE TIME DELAYS: Trip delay (0.1-30s), Start-up delay (0-30s)
- INDICATORS: LED status (operational, fault)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP50 (housing), IP20 (terminals)
- MOUNTING STYLE: DIN rail (EN 60715)
- OPERATING TEMPERATURE: -25 to +60 degrees C
- STORAGE TEMPERATURE: -40 to +85 degrees C
- COMPATIBILITY/APPLICATION:
- APPLICATIONS: Motor protection, pump control, HVAC systems, critical load monitoring, generator control, industrial machinery
- STANDARDS: IEC/EN 60255-6, UL 508, CSA C22.2 No. 14