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The WME4100 is a 4 pole 100A main switch with twin screw terminals, designed for secure, reliable isolation on three-phase consumer units and distribution boards. With dual top terminal screws and a colour coded handle, it is built for installers who want a stronger, more dependable connection on higher-demand boards.
Rated at 100A and suited to 400V applications, this unit is ideal where all three phases and neutral need to be switched together. The twin screw terminal format helps improve cable security and termination confidence compared with standard single-screw arrangements.
Installer note: This is the 4 pole twin screw terminal version, suited to three-phase board applications. Image currently shown is the 2 pole version for illustration only until the correct product image is uploaded.
- 4 pole 100A main switch – for three-phase isolation
- Twin screw terminals – improved connection security
- 400V rated – suited to three-phase board applications
- Colour coded handle – clear identification on site
- Designed for consumer units and distribution boards
- Compact format – 70 x 103 x 65mm
Compare Twin Screw Main Switches
| Model | Poles | Terminal Style | Typical Use |
|---|---|---|---|
| WME2100 | 2 Pole | Twin screw terminals | Single-phase consumer units and board incomers |
| WME4100 (This Product) | 4 Pole | Twin screw terminals | Three-phase consumer units and distribution boards |
| WIS2100 | 2 Pole | Twin screw terminals | Single-phase switching duties |
| WIS4100 | 4 Pole | Twin screw terminals | Three-phase switching and board isolation |
For more three-phase switching options, browse our Main Switches & Rotary Isolators or view related Three-Phase boards and accessories.
