Square D QMJ364H is a fusible safety switch designed for providing reliable circuit protection and isolation in industrial power distribution. It features a 600V AC voltage rating and a 200A current rating for robust three-phase applications. The switch is constructed with a NEMA 1 enclosure measuring 191 mm H x 112.78 mm W x 78.49 mm D and weighs 32.6 lb, and it is certified to CSA and UL standards. It is engineered for a high 200kA interrupting capacity at 480V and is typically applied in industrial panels and motor control centers for main feeder and branch circuit protection.
Key Features & Specifications
Type: Fusible safety switch, panel mount, QMJ type
Voltage Rating: 600V AC
Current Rating: 200A
Dimensions: 191 mm H x 112.78 mm W x 78.49 mm D (7.52 in x 4.44 in x 3.09 in)
Standards: CSA, UL
Applications: Industrial power distribution, main feeder and branch circuit protection