Boltswitch VLB449N-MST - Fusible Disconnect Switch 1600A@480V (200kA AIC)

Boltswitch VLB449N-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 1600A current capacity, housed in a rugged NEMA 1 enclosure weighing 250 lb for durable operation in demanding environments. The unit meets industry standards with a 200kA interrupting capacity at 480V and Class L fuse compatibility, providing reliable short-circuit protection for three-phase electrical systems. Its single-configuration, three-pole design is engineered for main power isolation and feeder circuit applications in manufacturing plants, data centers, and heavy machinery installations.

Key Features & Specifications

• Type: VLB Series bolted pressure switch, fusible design
• Voltage Rating: 480V AC
• Current Rating: 1600A
• Configuration: Single
• Poles: 3
• AIC rating: 200kA@480V
• Fuse Class: L
• NEMA Rating: 1
• Phase: 3-phase
• Weight: 250 lb
• Switch Style: Fusible disconnect
• Standards: Industrial circuit protection
• Applications: Power distribution, motor control centers, industrial main disconnects