{"product_id":"m100j30-100a-600v-3-pole-fusible-disconnect-switch","title":"M100J30 - 100A, 600V, 3-Pole, Fusible, Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eThe M100J30 is a rugged, three-pole fusible disconnect switch engineered for dependable on\/off isolation and precise overcurrent protection in demanding industrial and commercial environments. With a 100 A rating and a 600 V maximum, this compact disconnect switch handles motor circuits, panelboards, and branch protections where space is at a premium and reliability is non-negotiable.\u003c\/p\u003e \u003ch3\u003eWhy the M100J30 stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eThree-pole synchronization:\u003c\/strong\u003e All three phases switch together, ensuring a clean, balanced shutdown for motors and multi-phase equipment.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFusible protection at the point of use:\u003c\/strong\u003e Integrated fusible elements provide fast, targeted protection against overcurrent, helping limit damage and downtime.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eHigh-voltage, high-current capability:\u003c\/strong\u003e Rated for up to 600 V and 100 A, making it suitable for a wide range of industrial feeders and motor control applications.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, maintainable design:\u003c\/strong\u003e Designed to fit into tight panels and MCCs, with straightforward fuse replacement and servicing to minimize maintenance time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVersatile installation for critical circuits:\u003c\/strong\u003e Ideal for motor disconnects, panelboard feeders, and branch circuit protection in both new builds and retrofits.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eKey applications and use cases\u003c\/h3\u003e\n\u003cp\u003eEngineered for reliability in environments where downtime costs money, the M100J30 is a practical solution for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eMotor disconnects in manufacturing lines, conveying systems, and process equipment.\u003c\/li\u003e \u003cli\u003eBranch circuit protection within control panels and electrical enclosures.\u003c\/li\u003e \u003cli\u003ePanelboard protection where a compact, maintainable fusible switch is required to meet space constraints and serviceability needs.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow it improves your operation\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eEnhanced safety during maintenance:\u003c\/strong\u003e A clean, definite isolation point minimizes exposure during servicing and ensures safe lockout\/tagout practices.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReduced downtime through quick fuse changes:\u003c\/strong\u003e Replaceable fused elements enable rapid restoration of protection without reconfiguring wiring.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eClear protection strategy:\u003c\/strong\u003e By combining disconnection with overcurrent protection at the load, you get a straightforward, auditable protection scheme that supports safer, more reliable operation.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTechnical snapshot\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e M100J30\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAmperage:\u003c\/strong\u003e 100 A\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eVoltage:\u003c\/strong\u003e 600 V\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3-Pole\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eFusible:\u003c\/strong\u003e Yes (fusible disconnect switch)\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical tips for deployment\u003c\/h3\u003e\n\u003cp\u003eTo get the most from the M100J30, plan fuse selection and wiring around your load characteristics. Match fuse ratings to motor inrush and running current, and ensure proper sizing of conductors for 600 V circuits. When performing maintenance, follow standard lockout\/tagout procedures, verify zero voltage, and replace fused elements with the same or manufacturer-recommended equivalents to preserve protection integrity.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default","offer_id":46390343237794,"sku":"M100J30","price":1595.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/m100j30-100a-600v-3-pole-fusible-disconnect-switch-231.webp?v=1788864510","url":"https:\/\/www.ampstate.com\/products\/m100j30-100a-600v-3-pole-fusible-disconnect-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}