M50ASR368B - 1200A Panel Switch

M50ASR368B - 1200A Panel Switch

If you’re looking for a heavy-duty panel switch that handles high current and gives dependable performance under tough conditions, the 1200 A 3‑Pole M50A Panel Switch (Part No. M50ASR368B) will meet your needs. Designed for industrial-grade installations, this bolt-in, bottom-feed unit delivers safe, stable switching for up to 600 V AC environments. Its straightforward installation and service-friendly design make it a top choice for control rooms, mechanical rooms, and commercial electrical panels alike.

Key Features and Benefits

• High-capacity performance: With a 1200 A rating and 3 poles, this panel switch provides substantial current-carrying ability for large-scale electrical systems. It’s ideal for main distribution panels or large motor/power feeders.
• Ready for fusible protection: This unit accepts Class L fuses, giving you the flexibility and protection of fuse-based overcurrent control. Great for systems where precision coordination and isolation are essential.
• Bottom-feed, bolt-in design: The bottom-feed configuration and bolt-in form factor allow for easy installation and secure mounting, whether you're retrofitting an existing panel or building a new one from scratch.
• Single-unit simplicity: As a fusible single unit, this switch reduces complexity and minimizes the number of components you manage — translating to easier maintenance and less downtime.
• Built for real-world conditions: Engineered to perform in demanding electrical environments, ensuring dependable operation even under heavy loads.

Technical Specifications

• Part Number: M50ASR368B
• Poles: 3
• Amperage Rating: 1200 A
• Voltage Rating: 600 V AC
• Frame Type: M50A
• Fuse Type: Accepts Class L fuses
• Mounting Style: Bottom-feed, bolt-in type panel switch
• Unit Type: Fusible single unit
• Ship Weight: 23.5 lbs
• Unit Height: 23.5 (inches or as specified)

Material Compliance and Certifications

• Industrial Standards: This panel switch is manufactured to meet the standard requirements for industrial electrical components used in high-capacity distribution systems. Designed and tested for safe 600 V AC operation. It is compatible with Class L fuses, ensuring compliance with overcurrent protection schemes commonly specified in electrical codes and industrial installations. Because it’s a bolt-in, factory-built assembly, you can rely on consistent build quality and safe factory wiring integrity.

Where It Works Best

• This 1200 A M50A panel switch shines in medium- to large-scale commercial or industrial settings — think manufacturing plants, data centers, large HVAC installations, or facilities with heavy-duty motor and power loads. It’s particularly well-suited for main distribution panels, feeder panels, or power distribution centers where stability and fuse-based protection are required. If you’re building or upgrading a distribution system that demands high current capacity and fuse-coordination flexibility, this switch delivers the dependable performance you need.