Square D QMJ366 is a fusible safety switch designed for providing reliable circuit protection and isolation in industrial power distribution. It is rated for 600V AC and 600A, featuring a robust three-pole, single-configuration design with a compact footprint of 78.49 mm depth by 112.78 mm width and a weight of 88.099 lb. The switch is UL and CSA certified, meets NEMA 1 standards, and offers a high interrupting capacity of 200kA at 480V for enhanced safety. Its typical applications include protecting motors, transformers, and feeder circuits in manufacturing and commercial facilities.
Key Features & Specifications
Type: Fusible safety switch, panel mount, QMJ type
Voltage Rating: 600V AC
Current Rating: 600A
Dimensions: 78.49 mm (Depth) x 112.78 mm (Width)
Standards: UL, CSA, NEMA 1
Applications: Motor, transformer, and feeder circuit protection in industrial and commercial power distribution