M50ASR328 - 1200 Amp Panel Switch w/ Mounting Kit

M50ASR328 - 1200 Amp Panel Switch w/ Mounting Kit

If you’re outfitting an industrial panel for heavy-duty power distribution or need a dependable backup disconnect in a demanding environment, the M50ASR328 delivers. This 3‑pole, 1200‑ampere, 600 V A.C. (or less) fusible panel switch is a single‑unit, bolt‑in design built to meet the needs of large-scale electrical systems. It ships with the CDP single‑hole mounting strap kit, so installation is straightforward and secure. With the ability to accept Class L fuses, this unit offers flexibility and safety for a wide range of applications. Whether you’re upgrading existing infrastructure or building a new setup from scratch, the M50ASR328 brings serious capacity and reliability without unnecessary complication.

Key Features and Benefits

• High‑capacity 3‑pole switch: Handles up to 1200 amps, ideal for heavy loads and commercial or industrial power panels.
• Fusible protection: Accepts Class L fuses to provide responsive overcurrent protection and increased safety for wiring and downstream equipment.
• Bolt‑in, single‑unit design: Fully enclosed panel switch simplifies installation and replacement; the included mounting kit streamlines setup for electricians.
• 600 V A.C. capable: Suitable for most industrial and commercial power systems operating at or below 600 volts.
• Durable and dependable construction: Offers long service life and dependable performance under high‑demand conditions, minimizing downtime and maintenance needs.

Technical Specifications

• Part Number: M50ASR328 (with mounting kit)
• Poles: 3
• Current Rating: 1200 Amperes
• Maximum Voltage: 600 V A.C. (or less)
• Frame Type: M50
• Fuse Type: Accepts Class L fuses (fusible single unit)
• Mounting: Bolt-in panel switch with CDP single-hole strap kit included
• Ship Dimensions/Weight:
  • Height: 29.0 in
  • Ship Weight: 23.5 lb

Material Compliance and Certifications

• Industry Standards: This panel switch is manufactured to meet industry‑standard electrical safety and performance guidelines for fusible disconnects in commercial and industrial power distribution systems.
• NEC Compliance: Its Class L fuse compatibility ensures it aligns with common NEC requirements for protection and coordination.
• Construction Quality: The heavy-duty metal enclosure and quality internal components meet or exceed expectations for long-term reliability under continuous load.

Where It Works Best

• Industrial manufacturing plants or workshops where heavy machinery draws high current.
• Commercial buildings require main distribution switches for large circuits.
• Retrofit or upgrade projects replacing older, lower‑capacity panel switches.
• Electrical rooms, main service panels, or switchgear assemblies rated for 600 V A.C. or lower.
• Environments where secure, bolt-in installation and Class L fuse protection are preferred, such as heavy‑duty HVAC systems, large motor feeders, or critical power distribution circuits.