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Boltswitch VLB347-MST - Fusible Bolted Pressure Switch 800A@480V (200kA AIC)

Boltswitch
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Boltswitch VLB347-MST is a fusible bolted pressure switch designed for high-current industrial power distribution systems. This 3-phase switch features a 480V voltage rating and 800A current capacity with a 200kA interrupting rating at 480V for robust circuit protection. The 250 lb unit features a NEMA 1-rated enclosure with a single-configuration, 3-pole design compatible with TJK frames. It meets industry standards for bolted pressure switches with Class L fuse compatibility. Typical applications include industrial motor control centers, switchgear, and heavy-duty power distribution panels.

Key Features & Specifications
  • Type: Fusible bolted pressure switch (VLB Series)
  • Voltage Rating: 480V AC
  • Current Rating: 800A
  • Configuration: Single
  • Poles: 3
  • Phase: 3
  • AIC Rating: 200kA@480V
  • Fuse Class: L
  • Compatible Frames: TJK
  • NEMA Rating: 1
  • Weight: 250 lb