{"product_id":"5sj4320-7hg41","title":"Siemens 5SJ4320-7HG41 - 20A, 3-Pole, Circuit Breaker","description":"\u003cdiv\u003eSiemens 5SJ4320-7HG41 — a 20A, 3-Pole Circuit Breaker engineered for dependable protection in demanding electrical environments. This compact, multi-pole unit delivers precise overcurrent protection across all three phases, making it an essential component for modern power distribution. \u003ch2\u003eWhy a 3-Pole design matters\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-phase protection:\u003c\/strong\u003e The 3-pole configuration provides synchronized trip across all phases, supporting balanced protection for three-phase motor circuits and feeders.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e20A per circuit:\u003c\/strong\u003e Each pole is rated for 20A, enabling effective protection of individual legs without unnecessary nuisance tripping of the entire line.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile integration:\u003c\/strong\u003e Designed for seamless use in panelboards, switchboards, and control panels where reliable, compact protection is required.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eOEM-friendly and industry-aligned:\u003c\/strong\u003e Built to fit Siemens protection schemes, ensuring consistent performance and easier component coordination within Siemens-based systems.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eIdeal applications\u003c\/h2\u003e\n\u003cp\u003eThe Siemens 5SJ4320-7HG41 is suited for industrial, commercial, and OEM settings, including:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMotor control centers (MCCs) where three-phase motors demand reliable short-circuit and overload protection\u003c\/li\u003e \u003cli\u003eDistribution panels and switchboards in manufacturing facilities\u003c\/li\u003e \u003cli\u003eControl panels that require robust, trip-coordinated protection across all phases\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhat problems does it solve?\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003ePrevents phase imbalance and damage to three-phase equipment by guaranteeing simultaneous trip across all poles during an overcurrent event\u003c\/li\u003e \u003cli\u003eProvides targeted protection for 20A circuits within a 3-phase system, reducing the risk of unnecessary outages\u003c\/li\u003e \u003cli\u003eOffers dependable protection in environments where uptime and safety are critical, especially in OEM and industrial applications\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eKey considerations and tips\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eVerify panel compatibility: ensure your panelboard, switchboard, or MCC accepts Siemens 3-pole breakers and matches the bus configuration.\u003c\/li\u003e \u003cli\u003eProper installation: follow manufacturer torque specs for terminals and ensure secure, clean connections to maintain reliable performance.\u003c\/li\u003e \u003cli\u003eMaintenance mindset: incorporate regular functional checks to confirm the trip mechanism operates as expected and that the device remains integral to the protection scheme.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the Siemens 5SJ4320-7HG41, you’re choosing a trusted, purpose-built solution for 3-phase protection that aligns with Siemens’ broader ecosystem. It’s a precise, dependable choice for distribution and motor control environments where consistent, safe operation is non-negotiable.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Siemens","offers":[{"title":"Default","offer_id":46390993289378,"sku":"5SJ4320-7HG41","price":157.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/circuit_breaker_generic_bf5f55f3-f5fe-448f-b6a1-5e280a0d5213.png?v=1765381679","url":"https:\/\/www.ampstate.com\/products\/5sj4320-7hg41","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}