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ABB SPER1C1 Circuit Supervision Relay

Brand/Manufacturer: ABB

Order Number: SPER1C1

Type: Protection Relays

Country of Origin: Sweden

Condition: Original Brand

Lead Time: Available in stock

Payment Term: 100% TT In Advance

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Description

Configured for continuous circuit-breaker trip circuit monitoring in power electrical installations, the ABB SPER1C1 (SPER1C1 Supervision Relay) provides direct physical/electrical execution. Operating within a 40-265 V DC supply voltage range, this COMBIFLEX-mounted unit detects contact welding, bad contact resistance, and auxiliary voltage failures in critical control loops.

Hardware Specifications

Parameter Specification
Model SPER1C1
Brand ABB
Origin Sweden
Weight Standard COMBIFLEX Relay Mass
Dimensions COMBIFLEX Plug-In Unit Footprint
Operating Temp -10 to +55 deg C
Power Consumption Standard Auxiliary Control Circuit Load
Auxiliary Voltage Range 40-265 V DC
Mechanical Design COMBIFLEX System Mount
Fault Detection Metrics Bad Contact, Contact Welding, Auxiliary Voltage Failure

Profinet / EtherNet/IP Deterministic Networks and I/O Density Scaling

The operational execution of the ABB SPER1C1 incorporates modular trip circuit monitoring features:

  • Profinet / EtherNet/IP Deterministic Networks: Output relay state contacts integrate directly into station bus controllers, enabling deterministic alarm routing upon detection of control loop open circuits.
  • I/O Density Scaling: Standard COMBIFLEX plug-in footprint allows multiple supervision channels to be installed in parallel within standard relay subracks.
  • Firmware Flash Compatibility: Hardware-based analog monitoring circuits execute continuous loop validation with preset operate delay times without requiring software configuration.

Frequently Asked Questions

Q: How does the SPER1C1 prevent false trip circuit alarms during normal circuit-breaker operation? A: The relay incorporates a preset operate delay time that suppresses transient false alarm signals during normal breaker state transitions.

Q: Can multiple SPER1C1 relays be connected to supervise separate branches of the same control circuit? A: Yes, if multiple branches within a control circuit require supervision, dedicated relays can be parallel-connected to the same control circuit.

Field Installation Guidelines

When installing and commissioning the SPER1C1 trip circuit supervision relay, strictly adhere to standard substation electrical guidelines:

  • Isolate all primary auxiliary DC control supplies before inserting the plug-in unit into the COMBIFLEX socket base.
  • Verify that operating voltage levels on the control circuit stay within the specified 40-265 V DC range.
  • Ensure proper contact seating inside the COMBIFLEX mounting base to prevent high contact resistance on secondary monitoring terminals.
  • Route trip circuit supervision signal leads away from heavy primary current cables to minimize induced electromagnetic noise.
  • Confirm front-panel LED operation and signal relay contact state changes during initial secondary injection testing.
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