PRODUCT DESCRIPTION
ASEA BROWN BOVERI 1SVR440821R0000 - Single-Phase Current Monitoring Relay
The ASEA BROWN BOVERI 1SVR440821R0000 is a CM-ESS.1P series single-phase current monitoring relay engineered for industrial process control and equipment protection. This device provides precise overcurrent and undercurrent detection, utilizing true RMS measurement for reliable operation across AC and DC systems. It is designed for integration into control panels and distribution boards, safeguarding motors, heaters, and other critical loads from abnormal current conditions.
Technical Specifications:
- SERIES/FAMILY: CM-ESS.1P
- COMPONENT TYPE: Current Monitoring Relay
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 24-240 V AC/DC
- MEASUREMENT RANGE: 3 mA - 15 A AC/DC (adjustable)
- MEASUREMENT PRINCIPLE: True RMS
- OUTPUT CONTACTS: 2 x 1 c/o (change-over)
- RATED IMPULSE WITHSTAND VOLTAGE (Uimp): 6 kV
- RATED INSULATION VOLTAGE (Ui): 300 V
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Modular DIN Rail Device
- WIDTH: 22.5 mm
- TERMINAL TYPE: Screw Terminals
- INTERFACE/CONTROL:
- ADJUSTMENT: Front-face potentiometers for threshold and delay settings
- INDICATORS: LED status for supply, relay status, and fault conditions
- DELAY FUNCTIONS: Adjustable start-up delay (0-30 s), trip delay (0-30 s)
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP50 (Enclosure), IP20 (Terminals)
- MOUNTING STYLE: DIN Rail (EN 60715)
- OPERATING TEMPERATURE: -25 to +60 degrees C
- COOLING METHOD: Natural Convection
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Industrial control panels, motor control centers, power distribution units
- SPECIFIC MACHINE TYPES: Pumps, fans, conveyors, heating elements, general machinery requiring current anomaly detection