PRODUCT DESCRIPTION
ABB 1SVR450091R0000 - Single-phase Monitoring Relay
The ABB CM-ESS.1S series single-phase monitoring relay provides continuous supervision of AC and DC voltage levels within industrial control systems. This electronic monitoring device is engineered for reliable detection of undervoltage and overvoltage conditions, ensuring protection for critical loads, power supplies, and motor circuits in applications such as industrial automation, process control, and power distribution. It features adjustable thresholds and time delays to prevent nuisance tripping and optimize system response.
Technical Specifications:
- SERIES/FAMILY: CM-ESS.1S
- COMPONENT TYPE: Single-phase Voltage Monitoring Relay
- ELECTRICAL SPECS:
- SUPPLY VOLTAGE: 24-240VAC/DC
- MONITORED VOLTAGE RANGE: 3-600V AC/DC
- FREQUENCY: 50/60 Hz (for AC monitoring)
- OUTPUT CONTACTS: 1 c/o (SPDT) relay
- CONTACT RATING: 250V / 4A (AC-12), 24V / 4A (DC-12)
- MECHANICAL/PHYSICAL:
- FORM FACTOR: Compact, modular housing
- MOUNTING: DIN rail (EN 60715)
- WIDTH: 22.5 mm
- INTERFACE/CONTROL:
- ADJUSTMENT: Front-face potentiometers for threshold and time delay
- INDICATORS: LED status for operating state and relay status
- ENVIRONMENTAL/MOUNTING:
- IP RATING: IP50 (housing), IP20 (terminals)
- OPERATING TEMPERATURE: -25 to +60 degrees C
- COOLING METHOD: Natural convection
- COMPATIBILITY/APPLICATION:
- TARGET SYSTEMS: Industrial control panels, switchgear, machinery
- APPLICATIONS: Undervoltage/overvoltage protection, power supply supervision, motor protection, generator control, critical load monitoring