{"product_id":"square-d-pk4mb2ha-series-s1-circuit-breaker-retaining-kit","title":"Square D PK4MB2HA Series S1 Back-Fed Main Circuit Breaker Retaining Kit","description":"\u003cp\u003eThe Square D PK4MB2HA Series S1 Back-Fed Main Circuit Breaker Retaining Kit is engineered to securely retain back-fed main circuit breakers in Series S1 panelboards. This kit provides the mechanical support necessary to prevent breaker displacement during installation, maintenance, or operation in demanding electrical environments. Designed for compatibility with Square D Series S1 equipment, this retaining kit ensures proper breaker positioning and reduces the risk of accidental disconnection.\u003c\/p\u003e\n\u003cul type=\"disc\" style=\"margin-top: 0in;\"\u003e\n\u003cli style=\"margin-bottom: 0in; line-height: 150%; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003eBrand: Square D \u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0in; line-height: 150%; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003eModel #: PK4MB2HA \u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0in; line-height: 150%; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003eAmps: 150-225 Amp\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0in; line-height: 150%; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003eSeries S1\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0in; line-height: 150%; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003eCondition: New In Packaging\u003c\/li\u003e\n\u003cli style=\"margin-bottom: 0in; line-height: 150%; mso-list: l0 level1 lfo1; tab-stops: list .5in;\" class=\"MsoNormal\"\u003e\u003ca href=\"https:\/\/www.se.com\/rempdfbucket-prd\/pdf\/se\/pds\/US\/en\/Schneider%20Electric_QO-Load-Centers_PK4MB2HA.pdf?response-content-disposition=inline%3Bfilename%2A%3DUTF-8%27%27PES_Schneider%2520Electric_QO-Load-Centers_PK4MB2HA.pdf\u0026amp;AWSAccessKeyId=ASIASDDQ2UUV44Q3UIO7\u0026amp;Signature=co7UfqnyqD%2FDHdSyzPzioj0mJHk%3D\u0026amp;x-amz-security-token=IQoJb3JpZ2luX2VjEJL%2F%2F%2F%2F%2F%2F%2F%2F%2F%2FwEaCXVzLWVhc3QtMSJGMEQCIHyh73nFP31xW7sy1X%2BabCGztBcgf%2BRu7ecd2cLoIt8cAiAawVzbiYQRC2HiW6hIAQn8bYiw5xO6Y1Lr2Pwu0aQhWCr4AwhbEAAaDDE0NDExODAzMTY1OSIMgZF38ErxMVkVWzXiKtUD%2B0updHE5ide78EmvlG1LvXos4%2B2WqA4gTt0KSf%2BvNQg9PriQkV8%2BpJ32C9SlofhK%2F5MwihbzDIFzJ7iHEIeR%2B9WBRlzbjkQ968J2%2F%2BVLmBfTjOoZOYxy5EA85kG0%2F4EXDbAGuSzoG6EP4FFATo4tIN2BmJLZfwWS2fbETso8cB7Nz69liMyEuKd6jItfBX9wYyqDvPh%2BbDP3lsQAck1WKavnwKhIzeHJnhrmQKMsVqSTfPLlx9MuIipG4XsmqtM9FYzC1WGxZvpHiHF%2FvRtJZWpIA%2BAKKhmkL50QWcFJph7Ymx9HgkQydR5uP6dlToLIql2SP035h2jzPQOWQFtHfn104K4QK67Lo5aKHLJ4wbApvr%2F8cDhgqwwSrP8CS%2Br%2Bli%2Biu7%2BMdovOblcbiwMGUOS7WVzLetqa61YjnmEvIcLUEU5R9D%2FyF0ZUIEslK87YgEF%2FxiKqLI1n3XE0zVToW8BdddVAOlQwoKJZ8BlpLXyf7HQN59EWfvPxjs8zWwIK1CBJMawf4aSJyArOUuwhDmBd2b%2BRWfVRrEypi8Lg4Z6mtB%2BviRll50kVVNxfH%2F3mGTie%2Ft5n%2Fa0es1xfqD1TLWdnuFv9Yjz%2BDEpUeVr66G7%2BKFHK8zCUubXOBjqiAXEOS92GUokk87iNcLguGOAdeB0D99cbIFDJA52e820aaEp3AaksV2ydyE%2Bs9m0%2F6pHp2NTvqn9Fj2yb%2Bs4mKZqYfdYhlyknH3heGHdOsBtDgVZg8LF2%2FdQHt%2BiGuoaFJMVg2NBOZFLQmvJRWKhLmZNpLV%2BUgu8gUb50kyiFl57%2B7cwj9%2B3nsBbZee2%2Fy%2FFe3taYpwXOtdx%2BsuiufSiw636rOg%3D%3D\u0026amp;Expires=1775105045\"\u003eSchneider Electric_QO-Load-Centers_PK4MB2HA.pdf\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Square D","offers":[{"title":"New","offer_id":47612924330242,"sku":"04012614QM","price":28.21,"currency_code":"CAD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0142\/4909\/9322\/files\/PhotoApr012026_24152PM.jpg?v=1775069433","url":"https:\/\/www.sselectricalsupply.com\/en-ca\/products\/square-d-pk4mb2ha-series-s1-circuit-breaker-retaining-kit","provider":"S\u0026S Electrical Supply","version":"1.0","type":"link"}