{"product_id":"5sj4104-7hg40","title":"Siemens 5SJ4104-7HG40 - 4A, Circuit Breaker","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the Siemens 5SJ4104-7HG40 — a precise 4A circuit breaker engineered for reliability in demanding electrical systems. This unit is rated at 4A and classified as a Circuit Breaker, making it a versatile choice for panelboards, switchboards, control panels, and OEM equipment where protected power distribution matters.\u003c\/p\u003e \u003cp\u003eIn industrial, commercial, and OEM environments, dependable overcurrent protection and safe operation are non-negotiable. The 5SJ4104-7HG40 provides consistent fault interruption to safeguard wiring, motors, sensors, and downstream devices from short circuits and overloads, while aligning seamlessly with distribution panels and motor control centers.\u003c\/p\u003e \u003ch2\u003eKey specifications\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCurrent rating:\u003c\/strong\u003e 4 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBreaker type:\u003c\/strong\u003e Circuit Breaker\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eProtecting branch circuits in panelboards and switchboards within factory automation setups.\u003c\/li\u003e \u003cli\u003eSafeguarding motor control centers and control panels in commercial facilities.\u003c\/li\u003e \u003cli\u003eOEM equipment protection where a reliable overcurrent device with a compact footprint is required.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat sets it apart\u003c\/h3\u003e\n\u003cp\u003eBeyond the basics, this Siemens device carries the reliability of the 5SJ family — designed for stable performance in environments where downtime costs money. Its 4 A rating targets sensitive control circuits, helping you prevent nuisance trips while ensuring robust protection for downstream equipment.\u003c\/p\u003e \u003ch3\u003ePractical tips for use\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eMatch the 4 A rating to your protected load’s maximum operating current to balance safety with uninterrupted operation.\u003c\/li\u003e \u003cli\u003eWhen integrating into panelboards or control panels, verify compatibility with your enclosure’s mounting and electrical connections to ensure secure installation.\u003c\/li\u003e \u003cli\u003eIn motor control centers, use as part of a coordinated protection strategy to isolate faults quickly and minimize impact on the rest of the system.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eDesigned for confidence\u003c\/h3\u003e\n\u003cp\u003eWhether you’re outfitting new equipment or upgrading existing control architectures, the Siemens 5SJ4104-7HG40 delivers disciplined protection, dependable performance, and the trust of a renowned brand. Choose this 4A circuit breaker for reliable overcurrent protection in industrial, commercial, and OEM settings where safety and uptime are essential.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default","offer_id":46390768795810,"sku":"5SJ4104-7HG40","price":128.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_4e8f9aee-b143-4987-9d1e-252ee9e406d8.png?v=1765379636","url":"https:\/\/www.ampstate.com\/products\/5sj4104-7hg40","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}