PRODUCT DESCRIPTION
ASEA BROWN BOVERI 1SVR440723R0000 - Single-Phase Voltage Monitoring Relay
The ABB CM-ESS.1S is a compact, single-phase voltage monitoring relay engineered for continuous supervision of AC/DC voltage levels in industrial control and power distribution applications. This device provides precise protection against undervoltage, overvoltage, or window monitoring conditions, utilizing an electromechanical relay output for signaling or control. It is designed for integration into control panels, motor control centers, and systems requiring stable voltage for critical equipment operation.
Technical Specifications:
- SERIES/FAMILY: CM-ESS.1S
- COMPONENT TYPE: Single-Phase Voltage Monitoring Relay
- ELECTRICAL SPECS:
- MEASURING INPUT VOLTAGE RANGE: 3-600V AC/DC
- AUXILIARY SUPPLY VOLTAGE: 24-240V AC/DC
- RATED FREQUENCY: 50/60 Hz
- OUTPUT CONTACTS: 1 c/o (SPDT)
- RATED OPERATIONAL CURRENT: 4A at 250VAC (AC-12), 3A at 250VAC (AC-15)
- RATED OPERATIONAL VOLTAGE: 250V AC
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Modular DIN Rail Mount
- WIDTH: 22.5 mm
- TERMINAL TYPE: Screw terminals
- INTERFACE/CONTROL:
- ADJUSTMENTS: Front-face potentiometers for threshold and time delay
- INDICATION: LED status indicators
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP50 (Housing), IP20 (Terminals)
- MOUNTING STYLE: DIN Rail (TH35-15, TH35-7.5)
- OPERATING TEMPERATURE: -25 to +60 degrees C
- COOLING METHOD: Natural convection
- COMPATIBILITY/APPLICATION:
- INDUSTRIAL CONTROL PANELS: Voltage monitoring for critical loads
- MOTOR CONTROL CENTERS: Protection of motors against voltage anomalies
- POWER DISTRIBUTION SYSTEMS: Supervision of supply quality
- AUTOMATION SYSTEMS: Integration into safety and control circuits