Boltswitch VLB448N-MST - Fusible Safety Switch 1200A@480V (200kA AIC)

Boltswitch VLB448N-MST is a heavy-duty bolted pressure switch designed for high-current industrial power distribution systems. This fusible disconnect switch features a 480V AC voltage rating and 1200A current capacity, with a 200kA interrupting rating at 480V for robust short-circuit protection. The 3-pole single-configuration unit is housed in a NEMA 1 enclosure, constructed with durable bolted pressure contacts for reliable operation under load. It complies with industry standards for fusible safety switches and is rated for Class L fuse protection. Typical applications include motor control centers, switchgear, and industrial power distribution panels requiring high fault-current interruption.

Key Features & Specifications

• Type: VLB Series bolted pressure fusible safety switch
• Voltage Rating: 480V AC
• Current Rating: 1200A
• Configuration: Single
• Poles: 3
• AIC Rating: 200kA@480V
• Switch Style: Fusible
• NEMA Rating: 1
• Phase: 3
• Fuse Class: L
• Weight: 250 lb