Boltswitch VLB4411N-MST - Fusible Disconnect Switch 2500A@480V (200kA AIC)

Boltswitch VLB4411N-MST is a 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 2500A current capacity, with a 200kA interrupting rating at 480V for reliable fault protection. The rugged NEMA 1 enclosure houses a 3-pole single-configuration mechanism with Class L fuse compatibility, weighing 250 lb for stable installation. It complies with industry standards for heavy-duty electrical switching applications. Typical uses include motor control centers, switchgear, and industrial power distribution panels requiring robust circuit isolation.

Key Features & Specifications

• Type: Bolted pressure switch, fusible design, VLB series
• Voltage Rating: 480V AC
• Current Rating: 2500A
• Configuration: Single
• Poles: 3
• AIC Rating: 200kA@480V
• Fuse Class: L
• NEMA Rating: 1
• Phase: 3
• Weight: 250 lb
• Applications: Industrial power distribution, motor control centers, switchgear