This is a polyester (GRP) enclosed changeover switch. It operates at 415 VAC and has 4-poles. The switch is rated for AC21 A at 400 A and AC23 A at 400 A. It has an IP66 rating, meaning it is protected against dust and water ingress. The dimensions of the switch are 615 mm in height, 415 mm in width, and 230 mm in depth.