Square D QMB364T - Fusible Safety Switch 600V/200A (3-Pole NEMA 1)

Square D QMB364T is a fusible safety switch designed for industrial power distribution and circuit protection. This 600V AC-rated switch features a 200A current capacity with a 200kA interrupting rating at 480V, housed in a rugged NEMA 1 enclosure for panel mounting. The dual/twin configuration with three poles utilizes Class R fuses for reliable overcurrent protection in demanding environments. Compliant with industrial safety standards, it's engineered for compatibility with ED frame systems in three-phase applications. Typical uses include motor control centers, machinery power disconnects, and heavy equipment electrical systems.

Key Features & Specifications

• Type: Fusible safety switch, QMB Series D2, panel mount
• Voltage Rating: 600V AC
• Current Rating: 200A
• Configuration: Dual/Twin
• Poles: 3
• Phase: 3
• AIC rating: 200kA@480V
• Fuse Class: R
• NEMA Rating: 1
• Compatible Frames: ED
• Switch Style: Fusible
• Weight: 50 lb
• Standards: Industrial safety compliance
• Applications: Motor control centers, industrial power distribution, heavy equipment