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

Boltswitch
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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