M50ASR325 - 400 Amp Panel Switch w/ Mounting Kit

M50ASR325 - 400 Amp Panel Switch w/ Mounting Kit

The M50ASR325 delivers heavy-duty protection and dependable performance for industrial electrical systems. This 3‑pole, 400‑ampere panel switch is designed to safely handle up to 600 V AC, and it ships complete with a CDP single‑hole mounting strap kit for easy installation. Built as a fusible single‑unit switch, it accepts both Class RK1 and RK5 fuses, giving you flexibility depending on application and required overcurrent protection. Whether you’re outfitting a distribution board or upgrading an older panel, the M50ASR325 brings power control and safety into one compact package that installs cleanly and securely.

Key Features and Benefits

• Three‑Pole, 400 A Capacity: Handles large loads reliably — ideal for commercial or industrial power distribution panels.
• 600 V AC Rating: Fully capable for standard high-voltage AC systems.
• Fusible Single‑Unit Design: Accepts Class RK1 and RK5 fuses for customizable circuit protection and easier servicing.
• Bolt‑In Panel Switch: Panel-mountable for a tidy installation, minimizing wiring mess and saving space inside the electrical enclosure.
• Includes Mounting Kit: Comes with the required CDP single‑hole mounting strap kit — no additional hardware needed for mounting.
• Durable Construction: Built to withstand demanding environments and offer long-term service with minimal maintenance.

Technical Specifications

• Part Number: M50ASR325 w/ Mounting Kit
• Poles: 3‑Pole
• Ampere Rating: 400 A
• Voltage Rating: Up to 600 V AC
• Frame Type: M50
• Fuse Compatibility: Class RK1 & RK5 fuses supported
• Unit Type: Fusible single‑unit bolt‑in panel switch
• Mounting: Includes CDP single‑hole mounting strap kit
• Ship Weight / Dimensions: Height: 15.0″; Weight: 23.5 lbs

Material Compliance and Certifications

• Industry Standards: This circuit breaker is engineered to comply with applicable industry electrical safety standards. Its fusible design and compatible fuse ratings aim to meet standard requirements for overcurrent protection in commercial and industrial electrical installations. The quality of materials and build ensure reliable performance and enhance safety on the job site.

Where It Works Best

• The M50ASR325 is ideally suited for commercial buildings, light industrial facilities, or large residential complexes where dependable 400-amp power distribution is required. It works exceptionally well in service panels, main distribution boards, switchboards, and retrofit applications where space is limited but reliable fuse-based protection is needed. If you’re upgrading an existing panel or installing a new one that demands heavy-duty power handling, this switch offers the flexibility and durability that electricians and facility managers appreciate.