{"product_id":"abb-sper1c1-circuit-supervision-relay","title":"ABB SPER1C1 Circuit Supervision Relay","description":"\u003cp\u003eConfigured for continuous circuit-breaker trip circuit monitoring in power electrical installations, the \u003cstrong\u003eABB SPER1C1\u003c\/strong\u003e (\u003cstrong\u003eSPER1C1\u003c\/strong\u003e 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.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eSPER1C1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eABB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eSweden\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eStandard COMBIFLEX Relay Mass\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eCOMBIFLEX Plug-In Unit Footprint\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-10 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eStandard Auxiliary Control Circuit Load\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuxiliary Voltage Range\u003c\/td\u003e\n\u003ctd\u003e40-265 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMechanical Design\u003c\/td\u003e\n\u003ctd\u003eCOMBIFLEX System Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFault Detection Metrics\u003c\/td\u003e\n\u003ctd\u003eBad Contact, Contact Welding, Auxiliary Voltage Failure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProfinet \/ EtherNet\/IP Deterministic Networks and I\/O Density Scaling\u003c\/h3\u003e\n\u003cp\u003eThe operational execution of the ABB SPER1C1 incorporates modular trip circuit monitoring features:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eProfinet \/ EtherNet\/IP Deterministic Networks:\u003c\/strong\u003e Output relay state contacts integrate directly into station bus controllers, enabling deterministic alarm routing upon detection of control loop open circuits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eI\/O Density Scaling:\u003c\/strong\u003e Standard COMBIFLEX plug-in footprint allows multiple supervision channels to be installed in parallel within standard relay subracks.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirmware Flash Compatibility:\u003c\/strong\u003e Hardware-based analog monitoring circuits execute continuous loop validation with preset operate delay times without requiring software configuration.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: 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.\u003c\/p\u003e\n\u003cp\u003eQ: 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.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eWhen installing and commissioning the SPER1C1 trip circuit supervision relay, strictly adhere to standard substation electrical guidelines:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eIsolate all primary auxiliary DC control supplies before inserting the plug-in unit into the COMBIFLEX socket base.\u003c\/li\u003e\n\u003cli\u003eVerify that operating voltage levels on the control circuit stay within the specified 40-265 V DC range.\u003c\/li\u003e\n\u003cli\u003eEnsure proper contact seating inside the COMBIFLEX mounting base to prevent high contact resistance on secondary monitoring terminals.\u003c\/li\u003e\n\u003cli\u003eRoute trip circuit supervision signal leads away from heavy primary current cables to minimize induced electromagnetic noise.\u003c\/li\u003e\n\u003cli\u003eConfirm front-panel LED operation and signal relay contact state changes during initial secondary injection testing.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":45341465477235,"sku":"SPER1C1","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/screenshot_2026-08-11_13-56-06.png?v=1786427836","url":"https:\/\/www.dcssupplier.com\/products\/abb-sper1c1-circuit-supervision-relay","provider":"DcsSupplier Limited","version":"1.0","type":"link"}