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Technical Specifications
Supervises critical control circuits: circuit-breaker, disconnector, and signalling circuits
One relay per circuit; multiple relays can supervise circuit branches
Designed for the COMBIFLEX system
Supply voltage range: 20–60 V DC
Continuous monitoring to prevent undetected faults
Preset operate time prevents unwanted alarms during circuit-breaker operation
LED indicator on front panel with output relay for operation indication
Detects bad contact, contact welding, and auxiliary voltage failures
For rail- or surface-mounted version, refer to SPER 1B1 C4
Power range: 0.37–22 kW
Voltage range: 200–480 V AC
Enclosure class: IP20
Features: Multipump/fan control, predefined I/O configurations, built-in setup assistants, intelligent energy optimization, coated control boards, automatic fault reset, compact design for cabinet installation
Benefits: Efficient multi-pump/fan control, easy setup, enhanced energy efficiency, robust reliability, process optimization, fast and space-saving cabinet installation
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