Square D QMB367WT3 - Fusible Safety Switch 800A@600V (200kA AIC, NEMA 1)

Square D QMB367WT3 is a fusible safety switch designed for industrial power distribution protection. This 600VAC-rated panel-mount switch handles 800A continuous current with a 200kA interrupting capacity at 480V, featuring a rugged NEMA 1 enclosure for indoor use. The three-pole single-configuration unit with Class T fuses complies with industry safety standards for high-current applications. Its 125 lb steel construction and ED frame compatibility ensure durability in demanding environments like manufacturing plants and data centers.

Key Features & Specifications

• Type: Fusible safety switch with Class T fuse protection
• Voltage Rating: 600V AC
• Current Rating: 800A
• Configuration: Single
• Poles: 3
• Phase: 3
• AIC Rating: 200kA @ 480V
• NEMA Rating: 1 (indoor use)
• Compatible Frames: ED
• Switch Style: Fusible
• Weight: 125 lb
• Standards: UL/cUL listed
• Applications: Industrial power distribution, motor control centers, panelboards