M50ASR365 - 400 Amp Panel Switch

M50ASR365 - 400 Amp Panel Switch

When you need a Type M50 fusible panel switch that matches the requirements of an existing electrical distribution system, the M50ASR365 delivers the form, fit, and function needed for compatible installations. This 3-pole, 400-amp fusible single-unit panel switch is designed for systems rated up to 600 Volts AC and features a bolt-in mounting design for use in compatible panel assemblies. It accepts both Class RK1 and Class RK5 fuses, allowing the switch to provide overcurrent protection and circuit isolation when paired with the appropriate fuse.

Built to last and intended for long-term service, the M50ASR365 is a practical solution for maintaining existing commercial and industrial electrical systems. Whether you're replacing a damaged switch or keeping legacy equipment in service, choosing the correct ratings and configuration helps minimize installation issues while maintaining compatibility with your existing equipment.

Key Features and Benefits

• Part Number: M50ASR365
• 3-pole configuration: For three-phase electrical systems.
• 400 Amp current rating: Designed for compatible electrical distribution applications.
• Rated for systems up to 600 Volts AC: Suitable for installations requiring this voltage rating.
• Fusible single-unit panel switch design: Provides the required configuration for compatible panel assemblies.
• Bolt-in Type M50 construction: Designed for compatible installations.
• Accepts both Class RK1 and Class RK5 fuses: Allows use with either compatible fuse class.
• Helps provide circuit isolation and overcurrent protection: When used with the appropriate fuse.
• Built to last: For dependable operation in compatible electrical distribution systems.

Technical Specifications

• Part Number: M50ASR365
• Type: M50
• Switch Type: Fusible Single Unit Panel Switch
• Mounting Style: Bolt-In
• Poles: 3
• Current Rating: 400 Amps
• Voltage Rating: 600 Volts AC or Less
• Compatible Fuse Classes: Class RK1, Class RK5
• Dimensions:
  • Height: 15.0 in.
  • Width: 23.5 in.
  • Depth: 9.0 in.

Material Compliance and Certifications

• Rated for electrical systems up to 600 Volts AC: Designed for applications requiring this voltage rating.
• Designed for use with Class RK1 and Class RK5 fuses: Compatible with these fuse classes.
• Installation Requirements: Intended for installation in accordance with applicable National Electrical Code (NEC) requirements and local electrical regulations.
• Compatibility: Compatibility with the existing panel switch assembly should always be confirmed before installation.

Where It Works Best

• The M50ASR365 is commonly used in commercial, industrial, and institutional facilities where compatible Type M50 bolt-in panel switches are installed. You'll often find this style of switch serving power distribution equipment in manufacturing plants, processing facilities, warehouses, office buildings, schools, and utility installations. If your existing equipment requires a 3-pole, 400-amp fusible panel switch rated for 600 Volts AC or less, the M50ASR365 offers the proper configuration to help maintain the original design and functionality of the electrical system.