Wide range of applications, suitable for any outdoor application conditions. It includes single pole, double pole and three pole switches. The current range is 20A-63A. The base mounting device provides easier termination and larger wiring space. The grounding and neutral connecting rods are installed with double clamping screws, and the same cable stripping length is reliably clamped. The terminal aperture is 5-6mm. It has higher safety. An insulating cap is set between the switch and the metal structure. The insulating cap covers the mounting screw of the base to prevent it from contacting the live cable.