M50ASR367 - 800 Amp Panel Switch

M50ASR367 - 800 Amp Panel Switch

Get dependable, heavy-duty performance from our M50ASR367 3‑pole, 800-amp panel switch — engineered to meet the demands of commercial and industrial power distribution. This M50‑frame, bolt-in type switch is designed as a single‑unit, fusible panel switch that accepts Class L fuses. With a sturdy 600 Volt AC rating and three poles, it’s built to carry substantial electrical loads safely and reliably. Whether you’re upgrading an older distribution panel or outfitting a new installation, this M50A panel switch delivers the dependable performance you need—without unnecessary complexity.

Key Features and Benefits

• High-capacity 800A rating — handles large current loads easily, making it ideal for heavier panels or mission-critical circuits.
• 3‑pole, 600 VAC configuration — suits three-phase systems commonly found in commercial or industrial installations.
• Fusible single unit, accepts Class L fuses — offers added protection and flexibility with fuse-based overcurrent interruption.
• Bolt-in M50A frame — simplifies installation or retrofit in compatible panelboards, ensuring secure mechanical and electrical connection.
• Space‑efficient single unit design — saves panel space compared to multi-component assemblies, streamlining wiring and layout.

These features combine to give you a circuit breaker solution that’s powerful, simple, and dependable — exactly what’s needed when you’re managing large-scale electrical loads.

Technical Specifications

• Part Number: M50ASR367
• Poles: 3
• Amperes: 800 A
• Voltage Rating: 600 Volts AC
• Frame Type: M50A (Bolt-In)
• Type: Fusible, single-unit panel switch
• Fuse Compatibility: Class L fuses
• Unit Weight / Dimensions: Ship weight: 23.5 lbs; Height: 23.5 in (approximate, packaging included)

Material Compliance and Certifications

• Industry Standards: This panel switch is built to industry standards for safety and performance in commercial and industrial power-distribution environments. The M50A frame and fusible design comply with typical UL and NEMA guidelines for bolt-in panel switches (assuming proper fuse selection). When installed with the correct Class L fuses, it offers a code-compliant overcurrent protection method, combining durability with safe overcurrent interruption.

Where It Works Best

• Commercial buildings (office complexes, retail centers)
• Industrial facilities (manufacturing plants, warehouses, workshops)
• Large multi-tenant residential buildings (apartments, condos with heavy common-area loads)
• Retrofit projects upgrading older panelboards that require Class L fusible switches
• New installations needing a dependable 800A, 3-phase solution