Square D QMB321H - Fusible Safety Switch 240V 30A (3-Pole NEMA 1)

Square D QMB321H is a fusible safety switch designed for industrial power distribution protection. This panel-mounted unit features a 240V AC voltage rating with 30A current capacity and 200kA interrupting rating at 240V, housed in a rugged NEMA 1 enclosure weighing 30 lb. The three-pole single configuration switch accepts R, H, and K class fuses and is compatible with HHED frames, meeting industry safety standards for three-phase systems.

Key Features & Specifications

• Type: Fusible safety switch, panel mount, QMB Series D2
• Voltage Rating: 240V AC
• Current Rating: 30A
• Configuration: Single
• Poles: 3
• Phase: 3
• AIC rating: 200kA@240V
• Fuse Class: R, H, K
• NEMA Rating: 1
• Compatible Frames: HHED
• Weight: 30 lb
• Switch Style: Fusible