... ,2,3,4 pole with 20A/32A/63A , proof Weatherproof isolator switches have 1,2,3,4 pole with 20A/32A ... more wiring room , Switch dimen-sions are 165mm ,82mm with an overall height of 85mm . Fixed Earth and Neutral Connector bars ... for all cables . Terminal bore size 5-6mm . Weather proof isolator switches