Square D QMB3603J - Fusible Safety Switch 600V/30A (3-Pole NEMA 1)

Square D QMB3603J is a panel-mounted fusible safety switch designed for industrial power distribution protection. This 600V AC-rated switch features a 30A current capacity with a 200kA interrupting rating at 480V, housed in a rugged NEMA 1 enclosure weighing 38 lb. Its 3-pole single-configuration design with Class J fuses complies with industrial safety standards for ED frame compatibility. The QMB Saflex series switch is engineered for three-phase systems requiring high-fault current protection in manufacturing and heavy equipment applications.

Key Features & Specifications

• Type: QMB Saflex fusible safety switch, panel mount
• Voltage Rating: 600V AC
• Current Rating: 30A
• Dimensions: NEMA 1 enclosure
• Standards: Industrial safety compliant
• Applications: Three-phase power distribution, manufacturing equipment
• Switch Type: Fusible
• Configuration: Single
• Phase: 3
• AIC rating: 200kA@480V
• Poles: 3
• Fuse Class: J
• Weight: 38 lb
• Compatible Frames: ED