Square D H363RB - Fusible Disconnect Switch 600V/100A (200kA AIC @600V)

Square D H363RB is a fusible safety disconnect switch designed for industrial power distribution systems requiring reliable circuit protection. This UL-listed, 3-pole switch features a 600V voltage rating and 100A current capacity with a 200kA interrupting rating at 600V for high-fault protection. Its rugged NEMA 3R-rated enclosure measures 6.38" (162.05 mm) deep × 10.25" (260.35 mm) wide × 21.25" (539.75 mm) tall and accommodates Class R fuses with wire compatibility for #12 to #1/0 AWG aluminum or #14 to #1/0 AWG copper conductors. Compliant with UL standards and compatible with JD frames, this Series F switch is engineered for three-phase applications in manufacturing facilities, data centers, and heavy machinery installations where robust electrical isolation is critical.

Key Features & Specifications

• Type: Fusible safety disconnect switch, NEMA 3R enclosure
• Voltage Rating: 600V AC
• Current Rating: 100A
• Dimensions: 6.38 × 10.25 × 21.25 in (162.05 × 260.35 × 539.75 mm)
• Standards: UL Listed
• Applications: Industrial power distribution, machinery control
• Switch Style: Fusible
• Configuration: Single
• Poles: 3
• Wire Size: #12 to #1/0 AWG (Al), #14 to #1/0 AWG (Cu)
• AIC Rating: 200kA@600V
• Phase: 3
• Fuse Class: R
• Weight: 7.92 lb
• Compatible Frames: JD

Product Identification

• UPC: 785901482666
• GTIN: 00785901482666