M50ASR366 - 600 Amp Panel Switch w/ Mounting Kit

M50ASR366 - 600 Amp Panel Switch w/ Mounting Kit

Get power where you need it — cleanly, reliably, and safely — with the M50ASR366 3‑pole 600 amp fusible panel switch. Designed for demanding industrial, commercial, and large residential electrical systems, this Type M50 panel switch delivers dependable performance while keeping installation straightforward. With its bolt‑in design, included mounting hardware and strap kit, and compatibility with standard Class RK1 and RK5 fuses, it's a go‑to choice when you want to combine high current capacity with safety and ease of setup.

Key Features and Benefits

• High-Capacity Performance: Rated for 600 A and up to 600 V AC, the M50ASR366 meets the needs of heavy-duty electrical systems without strain.
• Three-Phase Flexibility: The 3‑pole configuration handles three-phase loads effortlessly — ideal for industrial motors, large HVAC units, or major panel feeds.
• Fusible Protection: Accepts Class RK1 and RK5 fuses for overcurrent protection, helping safeguard equipment and wiring against overloads or short circuits.
• Bolt-in Panel-Switch Convenience: The bolt-in format simplifies installation — and the included CDP single-hole mounting hardware/strap kit makes it easier to mount securely and neatly.
• Durable Build for Long-Term Use: Built for repeated use and consistent performance, this switch stands up to the rigors of heavy service.
• Installation-Ready Package: With mounting hardware included, you’re ready to install without hunting for extra parts — saving time and reducing hassle.

Technical Specifications

• Poles: 3
  
• Amperage Rating: 600 A
  
• Voltage Rating: Up to 600 V AC
  
• Frame Type: M50
  
• Fuse Compatibility: Class RK1, Class RK5
  
• Mounting Style: Bolt-in panel switch
  
• Included Hardware: CDP single-hole mounting kit
  
• Shipping Weight (approx.): 23.5 lb
  
• Height (box): 15.0 in
  

Material Compliance and Certifications

• Standards Compliance: This switch complies with standard industrial electrical safety requirements and accepts industry-standard Class RK1 and RK5 fuses, ensuring compatibility with widely used fuse types.
• Code Suitability: Its design meets common UL/CSA panel‑switch safety criteria, making it suitable for installations requiring code‑compliant overcurrent protection and load‑handling capability.
• Voltage Compliance: Because it is engineered for 600 V AC or less, it’s also appropriate under standard NEC/CEC wiring regulations for many commercial and industrial applications.

Where It Works Best

• Large Commercial or Industrial Panels: Use them as a main disconnect or feeder switch in equipment rooms, manufacturing floor panels, or business electrical rooms.
• Major HVAC or Motor Loads: Ideal for powering large motors, compressors, chillers, or multi-phase HVAC systems — wherever 600 A capacity is required.
• Retrofit Projects: Works well when upgrading existing switchboards to higher current or when replacing outdated fused switches with a modern, code‑compliant solution.
• Main Service Disconnects: In facilities where fused protection is preferred over breakers, this M50ASR366 serves as a dependable main panel switch with required fuse protection.