{"product_id":"allen-bradley-1492-spm1c100-bulletin-1492-sp-supplementary-protector","title":"Allen-Bradley 1492-SPM1C100 Bulletin 1492-SP Supplementary Protector","description":"\u003cp\u003eConfigured for overcurrent protection in control circuit branches, the \u003cstrong\u003eAllen-Bradley 1492-SPM1C100\u003c\/strong\u003e (\u003cstrong\u003e1492-SPM1C100\u003c\/strong\u003e Miniature Circuit Breaker) provides direct physical\/electrical execution of circuit interruption under overload and short-circuit conditions.\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\u003e1492-SPM1C100\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eAllen-Bradley\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.11 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eNot Specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eNot Specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot Applicable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Rating\u003c\/td\u003e\n\u003ctd\u003e10 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Rating\u003c\/td\u003e\n\u003ctd\u003e277 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrip Curve\u003c\/td\u003e\n\u003ctd\u003eC-Curve\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\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003e1492-SPM1C100\u003c\/strong\u003e utilizes a C-curve trip characteristic, providing a balance between protection for control equipment and tolerance for moderate inrush currents typical of inductive loads. While this device operates as a passive mechanical protector, its integration into control architectures is managed through DIN-rail mounting within standardized panel enclosures. Proper I\/O density scaling at the panel level requires calculating the total current draw of protected branches to avoid nuisance tripping. Firmware flash compatibility is not applicable to this electromechanical device; however, the module's 15 kAIC interrupt rating ensures containment of fault currents in coordination with upstream protective devices.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 1492-SPM1C100 provide motor branch circuit protection?\u003c\/p\u003e\n\u003cp\u003eA: No. This device is a supplementary protector (UL 1077) and is not intended for use as a motor branch circuit protector (UL 489). It is designed to protect control circuits and internal components rather than the motor itself.\u003c\/p\u003e\n\u003cp\u003eQ: Is this circuit breaker suitable for DC voltage applications?\u003c\/p\u003e\n\u003cp\u003eA: The device is rated for AC voltage applications up to 277 VAC. Application in DC circuits requires verification of the specific voltage\/current derating data provided in the manufacturer's technical manual, as the arc quenching characteristics differ significantly between AC and DC sources.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eMount the protector onto a standard 35 mm DIN rail, ensuring the locking clip is fully engaged to prevent longitudinal movement.\u003c\/li\u003e\n\u003cli\u003eTerminate the line-side power supply to the top terminals and load-side wiring to the bottom terminals, observing the indicated polarity if applicable.\u003c\/li\u003e\n\u003cli\u003eUtilize wire ferrules or adequately stripped conductors to ensure secure clamping within the terminal interface; verify torque values to maintain low-impedance connections.\u003c\/li\u003e\n\u003cli\u003eSeparate the wiring of the protected circuit from high-power VFD or motor output cables to prevent induced electromagnetic interference (EMI).\u003c\/li\u003e\n\u003cli\u003eEnsure the surrounding environment is free from conductive debris and that the protector is installed within an enclosure meeting the required IP rating for the application.\u003c\/li\u003e\n\u003cli\u003eVerify circuit operation by measuring the voltage at the load side of the breaker with the device in the \"ON\" position to confirm proper continuity.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":52927500976437,"sku":"1492-SPM1C100","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/1492-SPM1C010_c555cc49-7bc2-432a-a120-d727a610a8b5.png?v=1779863050","url":"https:\/\/www.5gplc.com\/products\/allen-bradley-1492-spm1c100-bulletin-1492-sp-supplementary-protector","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}