M50ASR326 - 600 Amp Panel Switch

M50ASR326 - 600 Amp Panel Switch

The M50ASR326 is a heavy-duty, three‑pole, 600 A fusible panel switch — built to handle demanding industrial and commercial electrical distribution tasks. With a 600 V AC maximum rating and bolt-in installation, this unit is engineered for reliability and longevity. It accepts Class RK1 and RK5 fuses for flexible protection and control of power distribution. If you’re setting up or upgrading a plant, warehouse, or large-scale building electrical system, the M50ASR326 delivers confident performance, clear switching control, and dependable safety — all in one compact form factor.

Key Features and Benefits

• Three‑Pole 600 A Switching Capacity: Handles substantial loads with ease, ideal for commercial panels, motor control centers, and branch distribution where high power throughput is required.
• 600 V AC Rating: Suitable for most industrial and commercial AC distribution systems, ensuring compatibility and compliance with standard power infrastructure.
• Fusible Panel Switch (Bolt‑In Type): Facilitates safe and controlled circuit breaking when paired with Class RK1 or RK5 fuses. Great for isolating circuits and protecting downstream equipment from overcurrent events.
• Accepts Class RK1 & RK5 Fuses: Provides flexibility in specifying fuse protection based on current requirements and ensures secure, reliable protection.
• Compact, Space‑Saving Design: The bolt-in configuration simplifies panel installation or retrofit, maximizing usable panel space and reducing installation labour.
• Clear, Safe Operation: Offers a dependable disconnect mechanism and fuse-based protection, giving operators peace of mind and reducing the risk of electrical hazards.

Technical Specifications

• Poles: 3-pole
• Amperage: 600 A
• Voltage Rating: 600 V AC (or less)
• Frame Type: M50
• Configuration: Fusible single-unit, bolt‑in type panel switch
• Fuse Type Accepted: Class RK1 & RK5
• Ship Weight / Dimensions:
  • Height: 15.0 in
  • Weight: 23.5 lb

Material Compliance and Certifications

• Industry Standards: Manufactured to meet rigorous industrial electrical standards, the M50ASR326 is built using premium-grade metals and insulating materials — selected for durability, conductivity, and long-term reliability.
• Compliance: It is engineered in compliance with standard safety and performance protocols for fusible switches and panel-mounted circuit protection devices. When installed correctly and used with properly rated Class RK1 or RK5 fuses, it ensures safe fault interruption and helps maintain compliance with common electrical codes for industrial and commercial installations.

Where It Works Best

• Industrial plants and manufacturing facilities — For motor control centers, heavy machinery circuits, or main service disconnects.
• Large commercial buildings and complexes — As a main panel switch or subpanel disconnect for HVAC, elevator, and service equipment.
• Data centers, server rooms, or IT infrastructure hubs — Where high-amperage, stable power distribution is needed with dependable overload protection.
• Retail distribution centers or warehouses — For powering conveyor systems, industrial lighting, or heavy equipment circuits.
• Retrofits and upgrade projects — Ideal when replacing outdated switches or reconfiguring power distribution while needing to maintain or expand capacity.