{"product_id":"siemens-mqj2225kh","title":"Siemens MQJ2225KH 225A 2-Pole 240 V Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eFor heavy-duty electrical feeders in commercial and light industrial settings, the Siemens MQJ2225KH 225A 2-Pole 240 V Circuit Breaker delivers dependable, decisive protection. This 2-pole device shuts off both hot legs together when an overload or fault occurs, helping keep wiring, gear, and personnel safe while minimizing downtime caused by electrical faults.\u003c\/p\u003e \u003cp\u003ePart of Siemens’ trusted MQJ line, the MQJ2225KH is designed to integrate smoothly with Siemens panels and distribution setups. With a 225 A current rating and a 240 V operating voltage, it’s purpose-built for large feeders, service entrances, and high-demand equipment runs where reliability matters most.\u003c\/p\u003e \u003ch3\u003eKey specifications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e MQJ2225KH\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 225 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage rating:\u003c\/strong\u003e 240 V\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy this breaker stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eRobust two-pole protection:\u003c\/strong\u003e Simultaneous disconnect of both hot legs provides enhanced safety for 240 V circuits and large feeders.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-capacity protection:\u003c\/strong\u003e 225 A rating targets substantial loads such as large motors, HVAC feeders, and essential service feeders without compromising protection.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSiemens compatibility:\u003c\/strong\u003e Engineered to pair with Siemens panels and MQJ-compatible installations for reliable operation and straightforward replacement.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eFeeder protection for large HVAC equipment, air handlers, pumps, and motors in commercial buildings.\u003c\/li\u003e \u003cli\u003eMain or subfeed protection in service entrances and distribution panels requiring 240 V circuits.\u003c\/li\u003e \u003cli\u003eUpgrading or replacing aging breakers in Siemens-powered installations where a high-current, two-pole solution is needed.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical notes for installation and use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify that the panel and bus system are compatible with the MQJ2225KH and rated to handle 225 A.\u003c\/li\u003e \u003cli\u003eFollow manufacturer torque and connection guidelines to ensure secure lugs and reliable operation.\u003c\/li\u003e \u003cli\u003eLabel the breaker clearly as a 225 A 2-pole 240 V protective device to support safe maintenance and code compliance.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default Title","offer_id":46423598039202,"sku":"MQJ2225KH","price":4044.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/master_generic_229276d9-908d-46df-93e5-6fe31866e0ff.png?v=1765492975","url":"https:\/\/www.ampstate.com\/products\/siemens-mqj2225kh","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}