Square D QMB2280J - Fusible Safety Switch 800A @ 240V (200kA AIC)

Square D QMB2280J is a panel-mounted fusible safety switch designed for high-current circuit protection in industrial applications. This 240V AC single-phase switch features an 800A current rating and 200kA interrupting capacity at 240V, housed in a rugged NEMA 1 enclosure weighing 125 lb. The QMB Saflex series switch utilizes Class J fuses with a 2-pole single-throw configuration, compatible with ED frames for seamless integration. It meets industry standards for electrical safety and is commonly used in manufacturing plants, data centers, and heavy machinery power distribution systems.

Key Features & Specifications

• Type: Panel-mounted fusible safety switch with Class J fuse protection
• Voltage Rating: 240V AC
• Current Rating: 800A
• Configuration: Single-throw
• Poles: 2
• AIC Rating: 200kA @ 240V
• Phase: 1
• NEMA Rating: 1
• Switch Style: Fusible
• Compatible Frames: ED
• Weight: 125 lb
• Family: QMB Saflex
• Item Subcategory: Panel Mount