SIEMENS W49819 VB SW J Fuse Adapter Kit 240V 200A - Fuse Adapter for Electrical Distribution

The SIEMENS W49819 VB Switch J Fuse Adapter Kit is designed for use with Vacu-Break® fusible switches, specifically to enable the installation of Class J fuses on 240V, 200A switch units. This adapter kit is essential for electrical distributors and switchgear suppliers who require reliable fuse adaptation solutions in panelboards and switchboards. It supports safe and efficient fuse integration within industrial, commercial, and institutional electrical systems.

Specifications

• Voltage Rating: 240 Volts AC
• Amperage: 200 Amps
• Compatible Fuse Class: Class J
• Manufacturer Part Number: W49819
• Product Weight: 0.67 pounds

Features

• Enables use of Class J fuses with Vacu-Break¬Æ switches
• Single unit part number; order two kits for dual units
• Designed to maintain switch short circuit withstand ratings up to 200,000 RMS symmetrical amperes with Class J fuses
• Compatible with Siemens VB panelboard switch series

Downloads & Links

• Spec Sheet