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Boltswitch VLB449N-MST - Fusible Disconnect Switch 1600A@480V (200kA AIC)

Boltswitch
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Boltswitch VLB449N-MST is a heavy-duty bolted pressure switch designed for high-current circuit protection in industrial power distribution systems. This fusible disconnect switch features a 480V AC voltage rating and 1600A current capacity, housed in a rugged NEMA 1 enclosure weighing 250 lb for durable operation in demanding environments. The unit meets industry standards with a 200kA interrupting capacity at 480V and Class L fuse compatibility, providing reliable short-circuit protection for three-phase electrical systems. Its single-configuration, three-pole design is engineered for main power isolation and feeder circuit applications in manufacturing plants, data centers, and heavy machinery installations.

Key Features & Specifications
  • Type: VLB Series bolted pressure switch, fusible design
  • Voltage Rating: 480V AC
  • Current Rating: 1600A
  • Configuration: Single
  • Poles: 3
  • AIC rating: 200kA@480V
  • Fuse Class: L
  • NEMA Rating: 1
  • Phase: 3-phase
  • Weight: 250 lb
  • Switch Style: Fusible disconnect
  • Standards: Industrial circuit protection
  • Applications: Power distribution, motor control centers, industrial main disconnects