Boltswitch VLB348-MST - Fusible Disconnect Switch 480V/1200A (200kA AIC @480V)

Boltswitch VLB348-MST is a heavy-duty bolted pressure switch designed for high-current industrial power distribution systems. This fusible disconnect switch features a 480V AC voltage rating and 1200A current capacity, with a robust 250 lb construction built for demanding environments. The VLB Series switch meets NEMA 1 enclosure standards and delivers 200kA interrupting capacity at 480V for reliable fault protection. Its 3-pole single configuration and SKPA frame compatibility make it ideal for industrial plants, data centers, and large commercial electrical systems requiring secure power isolation.

Key Features & Specifications

• Type: VLB Series bolted pressure switch, fusible design
• Voltage Rating: 480V AC
• Current Rating: 1200A
• Configuration: Single
• Poles: 3
• Phase: 3
• AIC Rating: 200kA@480V
• Fuse Class: L
• NEMA Rating: 1
• Compatible Frames: SKPA
• Weight: 250 lb
• Standards: Meets industrial electrical safety requirements
• Applications: Industrial power distribution, data centers, heavy machinery