Square D QMB3603 - Fusible Safety Switch 600V/30A (3-Pole NEMA 1)

Square D QMB3603 is a panel-mounted fusible safety switch designed for industrial power distribution protection. This 600V AC-rated switch features a 30A current capacity with 200kA interrupting rating at 480V, housed in a rugged NEMA 1 enclosure weighing 38 lb. Its three-pole single-configuration design accommodates R, H, and K-class fuses for flexible circuit protection in ED frame applications. The QMB Saflex series meets stringent industrial standards for three-phase power systems requiring reliable disconnect functionality.

Key Features & Specifications

• Type: QMB fusible safety switch, panel mount
• Voltage Rating: 600V AC
• Current Rating: 30A
• Configuration: Single
• Poles: 3
• Phase: 3
• AIC rating: 200kA@480V
• Fuse Class: R, H, K
• NEMA Rating: 1
• Switch Style: Fusible
• Compatible Frames: ED
• Weight: 38 lb