PRODUCT DESCRIPTION
ASEA BROWN BOVERI 1SVR440721R0000 - Undervoltage Monitoring Relay
This device is an electronic undervoltage monitoring relay from the ABB CM-E series, designed for continuous supervision of AC/DC voltage levels in industrial control systems. It provides reliable detection of voltage drops below a user-defined threshold, activating a potential-free output contact. This component is critical for protecting sensitive equipment, ensuring operational integrity in power distribution, motor control, and general automation applications by preventing damage from insufficient supply voltage.
Technical Specifications:
- SERIES/FAMILY: CM-E Series
- COMPONENT TYPE: Undervoltage Monitoring Relay
- ELECTRICAL SPECS:
- NOMINAL SUPPLY VOLTAGE: 24-240V AC/DC (self-supplied)
- MEASURING RANGE: 24-240V AC/DC
- THRESHOLD ADJUSTMENT: 30-100% of measured value
- TIME DELAY: Adjustable 0.1-10 seconds (trip delay)
- OUTPUT CONTACTS: 1 c/o (changeover) contact
- RATED OPERATIONAL CURRENT: 6A at 250V AC (resistive load)
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Compact modular housing
- WIDTH: 22.5 mm
- INTERFACE/CONTROL:
- ADJUSTMENTS: Front-face potentiometers for threshold and time delay
- INDICATORS: LED for operational status and relay status
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP50 (enclosure), IP20 (terminals)
- MOUNTING STYLE: DIN rail mountable (EN 60715)
- OPERATING TEMPERATURE: -20 to +60 degrees Celsius
- COOLING METHOD: Natural convection
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Industrial control panels, power distribution systems, motor control centers, automation equipment
- FUNCTION: Protection of motors, generators, transformers, and other loads against undervoltage conditions monitoring of critical power supplies.