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The WMS4100 is a 4 pole 100A main switch designed for safe isolation in three-phase electrical systems.
Part of the Whitecliffe WMS range, this device is a DIN rail mounted main switch / isolator for industrial and residential applications. The manufacturer lists the WMS4100 as a 4 pole 100A main switch with a 230/400V AC rating and contact position indicator, making it a practical choice for compatible three-phase installations, boards, and enclosures.
The WMS range is available in double, three and four pole variants, with cable, U-type busbar and pin-type busbar connection options. For single-phase alternatives, see our main switches and isolators.
- 4 pole, 100A rated – suitable for three-phase isolation
- 230/400V AC – rated for 50/60Hz applications
- DIN rail mounting – mounts on 35mm DIN rail
- Contact position indicator – clear visual status indication
- Busbar compatible – cable, U-type and pin-type busbar connections
- Complies with IEC 60947-3 / EN 60947-3
- Dimensions: 70mm (W) x 82mm (H) x 70mm (D)
