Siemens V7H3605 Disconnect Switch 400A 600V 3P

Siemens V7H3605 Vacu-Break fusible panel unit is a three‑pole disconnect switch rated for 400 A at 600 V AC, designed for use as a VB panel unit on SB1/SB2 switchboards and F1/F2 panelboards. As a fusible Vacu-Break device, it provides safe, rapid isolation of feeder circuits in industrial power distribution while accommodating standard Siemens fuse blocks. The unit is specified for a 3‑pole configuration with a 400 A continuous rating and 600 V nominal, and it accepts Class R, H, and K fuses to suit various protection schemes. In addition, it offers a high short‑circuit rating, up to 200 kA at 480 V, making it suitable for demanding electrical environments where both isolation and fault protection are required. Typical applications include industrial feeders, panelboard assemblies, and switchboard sections that require a reliable disconnect with integral fuse functionality, compatible with SB1/SB2 switchboards and F1/F2 panels. This V7H3605 model belongs to Siemens’ Vacu-Break family, engineered for robust performance in commercial and industrial distribution systems where dependable isolation and fuse coordination are essential.