{"product_id":"abb-cr123c250b-overload-relay-heater","title":"Abb cr123c250b Overload Relay Heater","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe ABB cr123c250b is a thermal overload relay heater element designed for use with CR123 series overload relay assemblies. Heater elements like this one work by sensing heat generated from motor current draw, triggering the relay to open the circuit before the motor windings are damaged by sustained overcurrent conditions. Electricians and industrial maintenance technicians install these elements as part of motor starter and contactor assemblies in both new builds and service replacements. Selecting the correct heater element for the motor full-load amperage rating is essential for reliable overload protection.\u003c\/p\u003e\n\u003cp\u003eThe cr123c250b fits into CR123 series thermal overload relay blocks, which are commonly found in motor control centers, combination starters, and standalone contactor assemblies in commercial and light industrial electrical systems. These assemblies are used to protect single-phase and three-phase motors from overheating due to locked rotor conditions, phase loss, or sustained overload. This heater element is installed during initial assembly or as a field replacement when a heater burns out or when a motor is re-applied at a different horsepower and amperage rating.\u003c\/p\u003e\n\u003ch4\u003eKey Features\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003eDesigned for CR123 series thermal overload relay blocks\u003c\/li\u003e\n  \u003cli\u003eProvides thermal overload protection by responding to heat generated by motor running current\u003c\/li\u003e\n  \u003cli\u003eOEM-style replacement element for field service and repair\u003c\/li\u003e\n  \u003cli\u003eSupports motor protection in motor control center and contactor-based applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eCompatibility\u003c\/h4\u003e\n\u003cp\u003eDesigned as an OEM-style replacement heater element for use with ABB CR123 series thermal overload relay assemblies.\u003c\/p\u003e\n\u003ch4\u003eInstallation Notes\u003c\/h4\u003e\n\u003cp\u003eInstallation should be performed by a licensed electrician in accordance with NEC requirements. De-energize and lock out the motor control circuit before removing or installing heater elements. Verify the heater element amperage range matches the motor full-load amp rating from the motor nameplate before installation. Do not attempt to install or remove heater elements while the contactor or starter is energized.\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eComponent Type\u003c\/strong\u003e: Overload Relay Heater\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSeries\u003c\/strong\u003e: CR123\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: ABB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: cr123c250b\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"ABB","offers":[{"title":"Default Title","offer_id":51621069193522,"sku":"CR123C250B","price":34.15,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/5793d0d8ba9b2c6f83c1253e89063f6d.jpg?v=1787349231","url":"https:\/\/voomisupply.com\/products\/abb-cr123c250b-overload-relay-heater","provider":"Voomi Supply","version":"1.0","type":"link"}