Feature: 1. This universal rotary switch has beautiful appearance, fine workmanship, flexible handle and small size. 2. The changeover switch has all silver alloy contacts, and the good conductivity makes the switch work more stable. 3. This electric cam switch adopts thick copper parts, which has excellent conductivity and is not easy to slip. 4. The rotary combination switch operates stably and is convenient and quick to install. 5. The PC material is flame‑retardant and high‑temperature resistant. It has good insulation performance, high temperature resistance and not easy to age. Specification: Item Type: Universal Rotary Switch.Material: PC, silver alloy, red copper Uses: As circuit control switches, test equipment switches, motor control switches, master control switches, and transfer switches for electric welding machines. Gear Position: 1-0-1 Reset Method: Positioning type Rated Voltage (Ue): 220-380V Rated Current (Ie): 25A Mechanical Life: 1,000,000 times, operating frequency is 300 times/hour Package List: 1 x Transfer Switch