Square D QMB333TW - Fusible Safety Switch 600V/100A (200kA AIC @480V)

Square D QMB333TW is a fusible safety switch designed for industrial power distribution protection. This 600V AC-rated switch features a 100A current capacity with a 200kA interrupting rating at 480V, housed in a NEMA 1 enclosure weighing 30 lb. Its dual/twin configuration with three poles provides reliable circuit isolation, compliant with industry standards for panel-mounted applications. The QMB Series E1-E2 switch is engineered for demanding environments including manufacturing facilities and power distribution centers, compatible with ED frames for seamless integration.

Key Features & Specifications

• Type: Fusible safety switch, panel mount
• Voltage Rating: 600V AC
• Current Rating: 100A
• Configuration: Dual/Twin
• Poles: 3
• Phase: 3
• AIC Rating: 200kA@480V
• Fuse Class: T
• NEMA Rating: 1
• Compatible Frames: ED
• Weight: 30 lb
• Family: QMB Series E1-E2