Square D QMB221TJ - Fusible Safety Switch 240V/30A (200kA AIC, NEMA 1)

Square D QMB221TJ is a panel-mounted fusible safety switch designed for industrial circuit protection and isolation. This 240V AC, 30A dual-pole switch features a 200kA interrupting capacity at 240V with Class J fuse compatibility, housed in a NEMA 1-rated enclosure weighing 30 lb for rugged applications. The QMB Series D2 switch utilizes a twin-configuration design compatible with HED frames, meeting industry standards for electrical safety. Typical applications include motor control centers, HVAC systems, and industrial machinery requiring reliable circuit interruption.

Key Features & Specifications

• Type: Panel-mounted fusible safety switch (QMB Series D2)
• Voltage Rating: 240V AC
• Current Rating: 30A
• Configuration: Dual/Twin
• Poles: 2
• AIC Rating: 200kA@240V
• Fuse Class: J
• NEMA Rating: 1
• Phase: 1
• Compatible Frames: HED
• Weight: 30 lb
• Switch Style: Fusible