PRODUCT DESCRIPTION
ASEA BROWN BOVERI 1SVR440721R0200 - Three-Phase Monitoring Relay
This device is an ABB CM-PVS.21S three-phase monitoring relay designed for comprehensive supervision of industrial power systems. It provides continuous monitoring of phase sequence, phase loss, overvoltage, undervoltage, and phase unbalance, ensuring protection for motors, generators, and sensitive loads. The unit integrates adjustable thresholds and time delays, making it suitable for critical power distribution and machinery control applications requiring robust electrical fault detection.
Technical Specifications:
- SERIES/FAMILY: CM-PVS.21S
- COMPONENT TYPE: Three-Phase Monitoring Relay
- ELECTRICAL SPECS:
- NOMINAL MEASURING VOLTAGE: 3 x 300-500 VAC (L-L)
- FREQUENCY: 50/60 Hz
- CONTROL SUPPLY VOLTAGE: 3 x 300-500 VAC
- OUTPUT CONTACTS: 2 c/o (SPDT)
- RATED OPERATIONAL CURRENT: 6 A (AC-12), 3 A (AC-15), 6 A (DC-12), 3 A (DC-13)
- MECHANICAL/PHYSICAL:
- FORM FACTOR: DIN Rail Mount Enclosure
- WIDTH: 45 mm (2 modules)
- INTERFACE/CONTROL:
- ADJUSTMENTS: Adjustable Over/Undervoltage, Asymmetry, Time Delays
- INDICATORS: LED for Operational Status and Fault Conditions
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP50 (Enclosure), IP20 (Terminals)
- MOUNTING: DIN Rail (TH35-15, TH35-7.5)
- OPERATING TEMPERATURE: -25 to +60 °C
- COMPATIBILITY/APPLICATION: Motor Protection, Generator Monitoring, Power Distribution Systems, Critical Load Protection, Industrial Machinery