{"product_id":"nan-4-mar-disconnect-switch-7","title":"3\/4 - Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eThe 3\/4 - Disconnect Switch, Model 4-Mar, is engineered for environments that demand steadfast electrical isolation. In industrial and commercial settings, dependable disconnection under load isn't optional—it's essential—and this switch delivers just that while supporting rigorous lockout\/tagout procedures. With the 4-Mar, technicians gain a trusted tool that keeps workers safe during maintenance and testing, minimizes downtime, and protects equipment from accidental energization.\u003c\/p\u003e \u003ch3\u003eTailored for demanding workflows\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eLockout\/tagout-ready design:\u003c\/strong\u003e built to accommodate standard padlocks and safety tags, ensuring a secure, verifiable isolation every time.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eReliable under load:\u003c\/strong\u003e maintains a decisive disconnection even when circuits are energized, reducing arcing risk and equipment wear.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eIndustrial-grade durability:\u003c\/strong\u003e robust construction able to withstand vibration, dust, and temperature fluctuations common in plants, warehouses, and workshops.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, compatible integration:\u003c\/strong\u003e engineered to fit into common control panel footprints and work smoothly with existing wiring schemes.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho benefits most: maintenance teams, facilities managers, and industrial electricians who prioritize safety, uptime, and compliance. The 4-Mar excels in applications such as motor and pump shutdowns, line isolation during service, and any scenario where you need a definitive, easy-to-administer disconnection.\u003c\/p\u003e \u003cp\u003eHow it stands out from the rest: while many switches offer basic on\/off functionality, the 4-Mar pairs a decisive, under-load disconnection with practical lockout\/tagout support and a durable build designed for long service life in real-world environments. It’s not just a switch—it’s a safety-critical control point that keeps people and machinery protected.\u003c\/p\u003e \u003cp\u003ePractical tips for deployment and care: verify compatibility with your enclosure and panel rating, route conductors to minimize bending and heat buildup, and train staff on lockout\/tagout procedures using the 4-Mar as the isolation point. Inspect during routine maintenance for wear on actuators and mounting hardware, and replace if any integrity concerns appear.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"AmpState","offers":[{"title":"Default Title","offer_id":46383614656674,"sku":"4-Mar","price":790.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/disconnect_switches_generic_536e39fa-4d4f-49a2-8c8b-44e026d1b492.png?v=1765251081","url":"https:\/\/www.ampstate.com\/products\/nan-4-mar-disconnect-switch-7","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}