{"product_id":"c10en3ab-size-3-120v-3-pole-contactor-ser-b1-c10en3","title":"Eaton C10EN3AB NEMA Size 3 Contactor — 90A, 3-Pole, 110\/120V Coil, Series B1","description":"\u003cp\u003eThe \u003cstrong\u003eEaton C10EN3AB\u003c\/strong\u003e (also known as the \u003cstrong\u003eCutler-Hammer C10EN3AB\u003c\/strong\u003e) is a \u003cstrong\u003eNEMA Size 3, 3-pole definite purpose contactor\u003c\/strong\u003e rated at \u003cstrong\u003e90 Amps\u003c\/strong\u003e with a \u003cstrong\u003e110\/120VAC coil at 50\/60 Hz\u003c\/strong\u003e. Designed for motor control applications requiring a reliable, non-reversing switching device, this contactor is part of Eaton's trusted C10 series and carries Series B1 designation.\u003c\/p\u003e\n\u003cp\u003eThe C10EN3AB is engineered to meet or exceed NEMA ICS 2 standards and is used widely in commercial and industrial motor control panels, compressor controls, and HVAC equipment. Its compact open-frame construction and standardized NEMA Size 3 footprint make it a direct drop-in replacement for many legacy C10EN3 applications.\u003c\/p\u003e\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e C10EN3AB (also listed as C10EN3)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Eaton \/ Cutler-Hammer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeries:\u003c\/strong\u003e C10 Definite Purpose Contactor, Series B1\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNEMA Size:\u003c\/strong\u003e Size 3\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Poles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent Rating:\u003c\/strong\u003e 90 Amps\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoil Voltage:\u003c\/strong\u003e 110V AC @ 50Hz \/ 120V AC @ 60Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContactor Type:\u003c\/strong\u003e Definite Purpose, Non-Reversing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandards:\u003c\/strong\u003e NEMA ICS 2, UL Listed\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhat Does NEMA Size 3 Mean?\u003c\/h3\u003e\n\u003cp\u003eNEMA Size 3 defines a specific class of contactor rating under the NEMA ICS 2 standard. A NEMA Size 3 contactor is rated for continuous operation at up to \u003cstrong\u003e90 amps\u003c\/strong\u003e and can control three-phase motors up to approximately \u003cstrong\u003e50 HP at 460V or 30 HP at 230V\u003c\/strong\u003e. This sizing ensures the C10EN3AB delivers adequate capacity and safety margins for typical industrial motor applications.\u003c\/p\u003e\n\u003ch3\u003eCommon Applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThree-phase motor control in industrial environments\u003c\/li\u003e\n\u003cli\u003eCommercial HVAC and air conditioning systems\u003c\/li\u003e\n\u003cli\u003eCompressor and pump motor switching\u003c\/li\u003e\n\u003cli\u003eMotor control centers (MCCs) and control panels\u003c\/li\u003e\n\u003cli\u003eReplacement for legacy Cutler-Hammer C10EN3 contactors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose the Eaton C10EN3AB?\u003c\/h3\u003e\n\u003cp\u003eThe C10EN3AB combines the proven reliability of Eaton's definite purpose contactor platform with a NEMA Size 3 rating, making it the right choice for demanding continuous-duty motor control applications. The Series B1 designation reflects Eaton's incremental improvements in contact life and coil performance over the original C10 design — offering better durability and longer maintenance intervals in high-cycle applications.\u003c\/p\u003e","brand":"Eaton","offers":[{"title":"New","offer_id":48396200804600,"sku":"C10EN3AB-N","price":524.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/1209\/3176\/files\/C10EN3AB_2_7dca3865-c683-41d5-a8ad-85ba56d5223f.png?v=1779896931","url":"https:\/\/alphabreakersandcontrols.com\/products\/c10en3ab-size-3-120v-3-pole-contactor-ser-b1-c10en3","provider":"Alpha Breakers \u0026 Controls","version":"1.0","type":"link"}