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

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