{"product_id":"5sj42028hg42","title":"Siemens 5SJ42028HG42 - 2A, 2-Pole, Miniature Circuit Breaker (MCB)","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Siemens 5SJ42028HG42 miniature circuit breaker, a compact 2A device built for reliable overcurrent protection in demanding panel installations. This 2-pole MCB safeguards circuits by quickly interrupting fault currents, helping protect wiring and connected equipment from damage and downtime.\u003c\/p\u003e \u003cp\u003eDesigned for versatile use in panelboards, switchboards, and control panels, this Siemens MCB fits into standard distribution setups found in industrial, commercial, and OEM environments. With a two-pole configuration, it protects both conductors in a circuit, ensuring safer operation and reducing the risk of arc faults on a single leg.\u003c\/p\u003e \u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 2A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreaker type:\u003c\/strong\u003e Miniature Circuit Breaker (MCB)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary applications:\u003c\/strong\u003e panelboards, switchboards, and control panels\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eProtection focus:\u003c\/strong\u003e dependable overcurrent protection with fast, safety-conscious interruption\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal for:\u003c\/strong\u003e industrial automation, commercial distribution, and OEM equipment\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhy choose this 2A MCB? It offers targeted protection for low-current circuits and control loops, allowing precise tripping behavior without unnecessary outages. Its robust Siemens design ensures compatibility with existing systems and spare parts, enabling straightforward replacement and maintenance in serviceable distribution environments.\u003c\/p\u003e \u003cp\u003ePractical use scenarios:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProtecting low-current control circuits in automation panels and motor control centers\u003c\/li\u003e\n\u003cli\u003eFeeding small, sensitive loads in commercial electrical distributions\u003c\/li\u003e\n\u003cli\u003eServing as a reliable, drop-in protective device for OEM equipment where dependable trip performance matters\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eSpecification snapshot\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 2A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 2-Pole\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBreaker type:\u003c\/strong\u003e MCB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart number:\u003c\/strong\u003e 5SJ42028HG42\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThis Siemens device embodies dependable overcurrent protection and safe operation within distribution panels and control centers, backing up critical electrical systems where reliability is non-negotiable.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default","offer_id":46390993420450,"sku":"5SJ42028HG42","price":215.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_bcb5cf41-5034-4e06-ba72-a9791fae6b0f.png?v=1765381684","url":"https:\/\/www.ampstate.com\/products\/5sj42028hg42","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}