{"product_id":"siemens-nf355-disconnect-switch","title":"Siemens NF355 - 400A, 600V, Disconnect Switch","description":"\u003cdiv\u003e\n\u003cp\u003eThe Siemens NF355 is a rugged, high-performance Disconnect Switch engineered for industrial and commercial environments that demand safe, reliable electrical isolation. With a robust 400A amperage rating and a 600V maximum voltage, this unit provides a decisive, mechanical separation for feeders and large equipment while enabling robust lockout\/tagout procedures to protect maintenance teams during servicing.\u003c\/p\u003e \u003cp\u003eKey features and benefits that set the NF355 apart:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e400A current handling\u003c\/strong\u003e and \u003cstrong\u003e600V voltage rating\u003c\/strong\u003e for demanding industrial circuits, enabling safe isolation of powerful equipment without compromising performance.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLockout\/tagout compatibility\u003c\/strong\u003e to align with standard safety protocols, helping facilities maintain compliance and protect workers during service or repairs.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDependable disconnection under load\u003c\/strong\u003e ensures clear, reliable isolation when it’s needed most, reducing downtime and improving maintenance confidence.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDurable construction for long-term use\u003c\/strong\u003e designed to withstand the rigors of busy commercial and industrial environments, delivering consistent operation over extended service life.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSeamless integration\u003c\/strong\u003e with existing electrical distribution setups and Siemens switchgear, making upgrades or replacements straightforward for engineers and technicians.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWho should consider the Siemens NF355? Facilities managers, electrical contractors, and plant engineers working in manufacturing, processing plants, data centers, and large commercial sites will find this disconnect switch a reliable backbone for safe electrical isolation. It’s ideal for main feeder disconnects, service entrances, or any installation where a clear, manual shutoff is required to protect personnel and equipment during maintenance.\u003c\/p\u003e \u003cp\u003ePractical use scenarios include routine maintenance on heavy machinery, staged shutdowns for preventive maintenance, and emergency isolation where a fast, secure disconnect is essential. When selecting a disconnect switch, the NF355’s combination of 400A capacity, 600V rating, and LOTO-friendly design helps you meet safety standards while delivering steady, durable performance over time.\u003c\/p\u003e \u003cp\u003eTips for optimal results: verify correct wiring and torque according to installation guidelines, establish a documented lockout\/tagout procedure before any service, and schedule periodic inspections to check for wear, corrosion, or mounting integrity. The Siemens NF355 is built to be a dependable cornerstone of your electrical safety program, delivering clear isolation and peace of mind across demanding industrial applications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Amp-State","offers":[{"title":"Default Title","offer_id":46383698346146,"sku":"NF355","price":2510.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0666\/8094\/6850\/files\/disconnect_switches_generic_44c2c865-fac9-4b5f-aa1c-0b6f1734e923.png?v=1765252254","url":"https:\/\/www.ampstate.com\/products\/siemens-nf355-disconnect-switch","provider":"Ampstate Electric Corporation","version":"1.0","type":"link"}