Siemens VMS366B - Fusible Safety Switch 600A 600V (200kA AIC @480V)

Siemens VMS366B is a panel-mounted safety switch designed for industrial circuit protection and isolation in high-fault current applications. This 600VAC-rated switch handles up to 600A continuous current with a 200kA interrupting capacity at 480V, providing robust protection for three-phase power systems. The Vacu-Break design features a compact 19.685" x 20.866" x 13.78" NEMA 1 enclosure weighing 75 lb, constructed for fusible operation with R, H, and K class fuses. Compliant with industrial safety standards, this three-pole switch is engineered for reliable performance in manufacturing facilities, industrial plants, and commercial power distribution systems where dependable circuit isolation is critical.

Key Features & Specifications

• Type: VMS fusible safety switch with Vacu-Break technology
• Voltage Rating: 600V AC
• Current Rating: 600A
• Dimensions: 19.685" x 20.866" x 13.78" (H x W x D)
• Standards: NEMA 1 rated enclosure
• Applications: Industrial power distribution, manufacturing facilities, commercial electrical systems
• Switch Type: Safety disconnect
• Configuration: Single unit
• Poles: 3
• Phase: 3-phase
• AIC rating: 200kA @ 480V
• Fuse Class: R, H, K
• Compatible Frames: FIP
• Switch Style: Fusible
• Nema Rating: 1
• Weight: 75 lb
• Item Subcategory: Panel Mount
• Country of Origin: United States

Product Identification

• UPC: 783643193451
• GTIN: 00783643193451