M50ASR365 - 400 Amp Panel Switch w/ Mounting Kit

M50ASR365 - 400 Amp Panel Switch w/ Mounting Kit

The M50ASR365 3‑Pole 400 A Fusible Panel Switch with mounting kit is the go-to solution when you need a heavy-duty, dependable circuit breaker for industrial or commercial power distribution. Built to handle 600 V AC or less, this bolt‑in type panel switch offers peace of mind in systems that require reliable protection — whether you’re upgrading an existing panel or building a new electrical installation. With a simple bolt-in design and included mounting strap kit, installation is straightforward and secure. If you want a circuit breaker that handles high-current demands without complication, this model delivers the dependable performance you need day in and day out.

Key Features and Benefits

• High-current capability: Supports up to 400 amperes across three poles, making it ideal for demanding loads and heavy-duty equipment.
• Bolt-in panel switch design: The M50 frame and bolt-in style ensure stable mounting and easy replacement or upgrades without extensive rewiring.
• Fusible protection: Accepts Class RK1 and RK5 fuses for flexible overcurrent protection. Provides dependable fuse-based safeguarding of circuits, which is often preferred in industrial or commercial settings.
• All-in-one package: Comes with CDP single-hole mounting hardware and strap kit so you get everything needed for installation right out of the box.
• Versatile voltage rating: Rated for 600 V AC or lower, useful across a variety of power distribution systems.
• Three-pole reliability: Offers balanced protection across all phases — perfect for three-phase power systems common in commercial and industrial setups.

Technical Specifications

• Part Number: M50ASR365 (with Mounting Kit)
• Poles: 3
• Amperage: 400 A
• Voltage Rating: Up to 600 V AC
• Frame Type: M50
• Fuse Types Accepted: Class RK1 & RK5
• Mounting: Bolt-in panel switch
• Package Includes: CDP single-hole mounting strap hardware kit
• Shipping Weight: Approx. 23.5 lb
• Height: Approx. 15.0 in

Material Compliance and Certifications

• Industry Standards: This panel switch is engineered in accordance with applicable industry safety and performance standards for fusible circuit breakers. The components are manufactured under strict quality controls to ensure electrical integrity, proper fuse acceptance, and safe, long-term operation under load. (Please confirm local code compliance and installation requirements before deployment.)

Where It Works Best

• Commercial buildings — Excellent for main distribution panels feeding motors, HVAC systems, or high-demand lighting.
• Industrial facilities — Ideal for heavy equipment, machinery circuits, or large three-phase motors where high amperage and reliable fuse protection are essential.
• Retrofits and upgrades — Bolt-in design reduces installation time in maintenance or panel upgrade scenarios.
• New installations — Provides a dependable, fuse‑ready panel switch for new build electrical systems up to 600 V AC.