M50ASR327 - 800 Amp Panel Switch

M50ASR327 - 800 Amp Panel Switch

The M50ASR327 is a heavy-duty, fusible panel switch designed for demanding industrial and commercial applications. As a bolt‑in, 3‑pole unit rated for 800 Amperes and up to 600 Volts AC, it’s built to handle high-current circuits with reliability and ease of installation. Whether you’re upgrading an existing panel or setting up a new power distribution system, this switch offers dependable performance that electricians and facility managers can count on. It accepts Class L fuses for flexible protection options and helps ensure smooth, continuous power flow for critical loads.

Key Features and Benefits

• High‑Current Capacity: With an 800 A rating, the M50ASR327 is ideal for large motors, main service feeds, or heavy-duty equipment.
• Three‑Pole Configuration: Three-phase power handling simplifies installation and ensures balanced load distribution.
• Bolt‑In Panel Switch Design: Allows direct installation into compatible switchboards, saving time and minimizing wiring complexity.
• Fusible Protection with Class L Fuses: Provides a dependable safety option; you can tailor the fuse size to match application requirements.
• 600 V AC Compatibility: Suitable for a wide range of industrial and commercial AC systems.
• Durable Single‑Unit Construction: Designed to withstand the rigors of industrial environments while keeping maintenance low.

Technical Specifications

• Part Number: M50ASR327
• Poles: 3
• Amperage Rating: 800 A
• Voltage Rating: ≤ 600 V AC
• Frame / Panel Type: M50 Bolt‑In Type Panel Switch
• Fuse Type: Class L (fusible)
• Unit Type: Fusible Single‑Unit
• Ship Weight (approx.): 23.5 lb
• Ship Height (approx.): 29.0 in

Material Compliance and Certifications

• Industry Standards: This circuit breaker switch is manufactured under industry-standard protocols and adheres to common electrical safety guidelines. It is recommended to verify that the specific unit being purchased carries the appropriate certification labels (e.g., UL, CSA, or equivalent), depending on regional requirements. Proper labeling helps ensure compliance with local electrical codes and safety regulations.

Where It Works Best

• Industrial Power Distribution – As a main switch for factories, workshops, or heavy equipment feeding, the M50ASR327 delivers reliable service for high-demand circuits.
• Commercial Buildings – Ideal for large HVAC units, elevators, or multiple heavy loads where a dependable, high-capacity switch is required.
• Retrofit Projects – Perfect for upgrading older panels to a modern, bolt‑in switch with Class L fuse support.
• Emergency & Backup Systems – When set up with appropriately sized fuses, this unit offers a secure fusible protection solution for backup power lines or standby generators.