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Boltswitch VLB447N-MST - Fusible Disconnect Switch 800A@480V (200kA AIC)

Boltswitch
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Boltswitch VLB447N-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 800A current capacity with a 200kA interrupting rating at 480V for reliable fault protection. The rugged NEMA 1 enclosure houses a 3-pole single-configuration mechanism with Class L fuse compatibility, weighing 250 lb for stable installation. It meets industry standards for bolted pressure switches in demanding environments. Typical applications include motor control centers, switchgear, and industrial power distribution panels requiring robust circuit isolation.

Key Features & Specifications
  • Type: Bolted pressure switch, fusible design, VLB series
  • Voltage Rating: 480V AC
  • Current Rating: 800A
  • Configuration: Single
  • Poles: 3
  • AIC Rating: 200kA@480V
  • Fuse Class: L
  • NEMA Rating: 1
  • Phase: 3
  • Weight: 250 lb
  • Standards: Industrial bolted pressure switch requirements
  • Applications: Motor control centers, power distribution, switchgear