{"product_id":"m50asr365","title":"M50ASR365 - 400 Amp Panel Switch","description":"\u003cp\u003e\u003cstrong\u003eM50ASR365 - 400 Amp Panel Switch\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe M50ASR365 is a heavy‑duty, bolt‑in, 3‑pole 400 A panel switch built to deliver reliable performance in demanding electrical environments. Rated for up to 600 V AC, this compact yet powerful unit is engineered to accept Class RK1 and RK5 fuses — making it a perfect fit when you need dependable overcurrent protection in industrial or commercial setups. Its straightforward installation, combined with solid build quality, means less downtime and more confidence for electricians, facility managers, or contractors specifying gear for load centers, motor control centers, or power distribution panels.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features and Benefits\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e3‑Pole, 400 Amp Capacity:\u003c\/strong\u003e Heavy current-handling ability gives you flexibility for large loads and multi-phase systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e600 Volt AC Rated:\u003c\/strong\u003e Compatible with high-voltage applications common in industrial and commercial settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBolt‑In Panel Switch Format:\u003c\/strong\u003e Easy to install securely into existing panels, which speeds up job time and avoids complicated retrofits.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFusible Unit Accepting Class RK1 \u0026amp; RK5 Fuses:\u003c\/strong\u003e Offers flexibility in fuse selection and ensures dependable overcurrent protection while meeting common fuse‑class standards.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact yet Strong:\u003c\/strong\u003e Although rated for demanding workloads, the unit remains manageable in size and weight (Ship Weight: ~23.5 lb), making for easier handling and installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e M50ASR365\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePoles:\u003c\/strong\u003e 3\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmpere Rating:\u003c\/strong\u003e 400 A\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVoltage Rating:\u003c\/strong\u003e Up to 600 V AC\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrame Type:\u003c\/strong\u003e M50\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConfiguration:\u003c\/strong\u003e Single-unit, fusible panel switch (bolt-in)\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFuse Compatibility:\u003c\/strong\u003e Class RK1 and RK5 fuses\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShipping Weight:\u003c\/strong\u003e 23.5 lb\u003cbr\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApproximate Height:\u003c\/strong\u003e 15.0 in\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eMaterial Compliance and Certifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eIndustry Standards:\u003c\/strong\u003e This panel switch is manufactured to meet standard electrical safety and compatibility requirements when used with properly rated RK1 or RK5 fuses. The metal housing and internal components conform to general industrial-grade electrical standards, ensuring dependable operation when installed per code. Because it accepts widely used fuse classes, it integrates seamlessly into setups that require compliance with industry regulations for overcurrent protection.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eWhere It Works Best\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe M50ASR365 shines in industrial plants, manufacturing facilities, commercial buildings, large residential complexes, and anywhere heavy-duty electrical loads demand reliable protection. It’s ideal for main or branch power distribution panels, motor control centers, HVAC systems, large lighting systems, or anywhere a 3-phase, high-amperage fusible breaker is preferred. If you’re upgrading an existing panel or wiring a new distribution board, this unit offers the combination of power, safety, and installation ease that professionals rely on.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv\u003e\n\u003cbr\u003e\n\u003cdiv\u003e\n\u003cblockquote\u003e\n\u003cp style=\"font-size: 12px;\"\u003e\u003cem\u003eUse of Original Equipment Manufacturer (OEM) trademarks, names, and logos is for informational and identification purposes only. This does not imply any affiliation, sponsorship, endorsement, or approval by the original equipment manufacturer. All trademarks and registered trademarks are the property of their respective owners.\u003c\/em\u003e\u003c\/p\u003e\n\u003c\/blockquote\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"CUTLER HAMMER","offers":[{"title":"Refurbished","offer_id":51530375168299,"sku":"M50ASR365 [R]","price":0.0,"currency_code":"USD","in_stock":false}],"url":"https:\/\/store.circuitbreakersuperstore.com\/products\/m50asr365","provider":"CIRCUIT BREAKER SUPERSTORE®","version":"1.0","type":"link"}