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Boltswitch VLB4412N-MST - Fusible Disconnect Switch 3000A@480V (200kA AIC)

Boltswitch
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Boltswitch VLB4412N-MST is a bolted pressure switch designed for high-current industrial power distribution systems, featuring a fusible disconnect configuration for circuit protection. This heavy-duty switch operates at 480V AC with a 3000A current rating and 200kA interrupting capacity, housed in a rugged NEMA 1 enclosure weighing 250 lb. Its three-pole single-configuration design meets stringent industrial standards for three-phase power applications, including UL and ANSI compliance. Typical applications include main service disconnects, motor control centers, and large-capacity feeder circuits in manufacturing plants and utility substations.

Key Features & Specifications
  • Type: VLB Series bolted pressure switch with fusible disconnect
  • Voltage Rating: 480V AC
  • Current Rating: 3000A
  • Configuration: Single
  • Poles: 3
  • AIC rating: 200kA@480V
  • Switch Style: Fusible
  • Nema Rating: 1
  • Phase: 3-phase
  • Fuse Class: L
  • Weight: 250 lb
  • Standards: UL/ANSI compliant
  • Applications: Industrial power distribution, motor control centers, service entrances