Square D QMB321TD - Fusible Safety Switch 240V 30A (200kA AIC @240V)

Square D QMB321TD is a fusible safety switch designed for industrial power distribution protection in three-phase systems. This panel-mounted switch features a 240V voltage rating and 30A current capacity with a 200kA interrupting rating at 240V for reliable circuit protection. The rugged NEMA 1 enclosure houses a dual/twin configuration with three poles, compatible with ED frames and rated for R, H, and K class fuses. UL-listed and built to industrial standards, it provides secure power isolation in manufacturing facilities, commercial buildings, and heavy equipment applications.

Key Features & Specifications

• Type: Fusible safety switch, panel mount, QMB Series E1-E2
• Voltage Rating: 240V AC
• Current Rating: 30A
• Configuration: Dual/Twin
• Poles: 3
• Phase: 3
• AIC Rating: 200kA@240V
• Fuse Class: R, H, K
• NEMA Rating: 1
• Compatible Frames: ED
• Weight: 30 lb
• Standards: UL listed
• Applications: Industrial power distribution, motor control, commercial facilities

Product Identification

• GTIN: 00785901765684