Square D QMJ366 - Fusible Safety Switch 600A 600V (200kA AIC @480V)

Square D QMJ366 is a fusible safety switch designed for industrial power distribution systems requiring high fault current protection. This 600VAC-rated switch handles 600A continuous current with a 200kA interrupting capacity at 480V, featuring a rugged NEMA 1 enclosure measuring 78.49mm deep × 112.78mm wide and weighing 39.96 lb. UL and CSA certified, the three-phase switch accommodates 14-2 AWG copper/aluminum conductors and is compatible with ED frames for panel mounting applications in commercial and industrial facilities.

Key Features & Specifications

• Type: QMJ fusible safety switch, single configuration
• Voltage Rating: 600V AC
• Current Rating: 600A
• Dimensions: 3.09" (78.49mm) D × 4.44" (112.78mm) W
• Standards: UL, CSA certified
• Applications: Industrial power distribution, commercial facilities
• Switch Style: Fusible
• Configuration: Single
• Poles: 3
• Wire Size: 14 to 2 AWG Copper/Aluminum
• Compatible Frames: ED
• AIC rating: 200kA@480V
• Nema Rating: 1
• Phase: 3
• Fuse Class: J
• Weight: 39.96 lb

Product Identification

• UPC: 785901209089
• GTIN: 00785901209089