{"product_id":"siemens-hf323s-100a-250v-3-pole-fusible-safety-switch","title":"Siemens HF323S - 100A, 250V, 3-Pole, Fusible, Safety Switch","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens HF323S is a rugged, fusible safety switch designed to deliver reliable on\/off isolation and overcurrent protection in demanding industrial and commercial environments. With a 100A rating, 250V operation, and a 3-pole configuration, it provides a compact, maintainable solution for critical electrical circuits that need both switching and protection in a single device.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e HF323S\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 100A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 250V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFused:\u003c\/strong\u003e Fusible design for integrated overcurrent protection\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhat sets the HF323S apart is its ability to combine safe, immediate isolation with overcurrent protection without adding extra components. The three-pole arrangement ensures complete three-phase disconnection, making it ideal for maintaining motor control circuits and protecting sensitive equipment in a single, space-efficient unit. Its compact, maintainable construction simplifies wiring, fuse maintenance, and servicing in crowded panels or equipment rooms.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\u003cstrongideal applications:\u003e motor disconnects, panelboards, and branch circuit protection where a compact, maintainable fusible switch is required\u003c\/strongideal\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongeo-ready protection:\u003e provides both disconnect capability and overcurrent safeguarding in one device\u003c\/strongeo-ready\u003e\u003c\/li\u003e \u003cli\u003e\u003cstrongreliable performance:\u003e engineered for demanding industrial and commercial environments, where dependable isolation matters most\u003c\/strongreliable\u003e\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003ePractical usage scenarios include shutting down a three-phase motor for maintenance without interrupting other circuits, protecting feeder lines in panel enclosures, and providing a safe, code-compliant disconnect point in control stations. When installing or servicing, replace fusible cartridges with the appropriate Siemens-approved fuses and ensure connections match the 250V, 100A, three-phase specifications to maintain optimal protection.\u003c\/p\u003e \u003cp\u003eFor engineers and technicians, the HF323S offers a straightforward, robust solution that reduces component count while delivering clear, reliable circuit protection. It’s a purpose-built choice for operators who need a dependable, space-conscious safety switch that won’t complicate maintenance or upgrade paths.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390390948002,"sku":"HF323S","price":4903.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/fusible_disconnect_generic_b12661a0-e921-479e-9605-934947559837.png?v=1765370065","url":"https:\/\/www.ampstate.com\/products\/siemens-hf323s-100a-250v-3-pole-fusible-safety-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}