{"product_id":"siemens-5sj4203-7hg42-3a-2p-circuit-breaker","title":"Siemens 5SJ4203-7HG42 Circuit Breaker, 3A, 2-Pole","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens 5SJ4203-7HG42 circuit breaker is engineered for industrial electrical service, maintenance, and replacement projects. With a 3 A rating and a 2-pole configuration, this genuine Siemens part delivers dependable protection while enabling safe, full isolation of circuits during service or fault conditions.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e2-pole configuration\u003c\/strong\u003e provides simultaneous disconnection of both conductors, improving safety during maintenance and service tasks.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e3 A trip rating\u003c\/strong\u003e is well-suited for low-current control circuits and auxiliary loads in industrial environments, helping prevent nuisance trips while protecting wiring and devices.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eGenuine Siemens component\u003c\/strong\u003e with the part number 5SJ4203-7HG42 ensures compatibility within the Siemens ecosystem and aligns with existing 5SJ-series breakers. Always verify fit by part number and application requirements.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIdeal for replacement projects\u003c\/strong\u003e when upgrading or repairing panels that rely on Siemens protection devices, ensuring consistent performance and electrical coordination.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear compatibility guidance\u003c\/strong\u003e If you’re unsure about fit, we can help verify compatibility based on your equipment and application requirements—just share the part number and context.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eCompatibility and verification are straightforward: confirm the exact part number 5SJ4203-7HG42 and compare it to your equipment’s documentation or enclosure labeling. This ensures the breaker matches the intended amp rating, pole arrangement, and application needs for safe operation.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eWho this is for\u003c\/strong\u003e: technicians and procurement teams responsible for industrial electrical service, maintenance, and replacement in facilities that rely on Siemens protection devices. This unit is a practical, reliable option when a 2-pole, 3 A breaker is required to protect circuits while allowing safe disconnection for servicing.\u003c\/p\u003e \u003cp\u003eWhy choose Siemens for this application? The 5SJ4203-7HG42 leverages Siemens’ established track record in electrical protection, offering a robust, purpose-built solution for industrial environments that demand consistent performance and straightforward compatibility with existing Siemens panels and accessories.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46416146301090,"sku":"5SJ4203-7HG42","price":510.0,"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-5sj4203-7hg42-3a-2p-circuit-breaker","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}