Toggle Switch: Three-pole Double-throw Stop In the Middle. 15A/250VAC, TPDT, ON-OFF-ON Toggle Switch:The current has 10A and 15A.Movement way has fixed type and auto-return type.The terminal block has screw terminal and solder terminal.Rainproof cap,water-proof and oil-proof,it is suitable for full series prodcuts.Mounting hole:φ12mm.