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The WME18/MS100 Main Switch Consumer Unit is a 18-module metal enclosure supplied with a 100A main switch incomer. Offering 16 usable ways, it’s ideal for large domestic properties, HMOs, or small commercial sites with multiple circuits to manage. Built in durable powder-coated steel with raised DIN rails, multiple knockouts, and pre-fitted earth/neutral bars, it’s installer-friendly and fully Amendment 2 compliant.

Installer Tip: A 16-way board like this is perfect when you need capacity for multiple high-demand circuits — think EV chargers, heat pumps, cookers, showers, and solar PV, all in one installation.

Key Features

  • 18-module metal enclosure – 16 usable ways
  • 100A main switch – double-pole isolator included
  • Compliance: BS7671:2018 (Amendment 2) & BS EN 61439
  • Flexible install: knockouts on all sides and rear
  • Installer-ready: raised DIN rail, pre-fitted earth & neutral bars
  • Durable finish: powder-coated steel

Compare Main Switch Consumer Unit Variants

Model Modules Usable Ways Incomer Dimensions (mm)
WME04/MS100 4 2 100A Main Switch 160 × 240 × 112
WME06/MS100 6 4 100A Main Switch 160 × 240 × 112
WME08/MS100 8 6 100A Main Switch 200 × 240 × 112
WME10/MS100 10 8 100A Main Switch 216 × 240 × 112
WME12/MS100 12 10 100A Main Switch 232 × 240 × 112
WME14/MS100 14 12 100A Main Switch 304 × 240 × 112
WME16/MS100 16 14 100A Main Switch 340 × 240 × 112
WME18/MS100 (This Product) 18 16 100A Main Switch 376 × 240 × 112
WME22/MS100 22 20 100A Main Switch 400 × 240 × 112
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