Technical Specifications: Professional rotary cam changeover switch featuring 4 positions (0-1-2-3) and a 2-Pole (simultaneously controls 2 independent circuits per position) configuration. It is rated for a thermal current (Ith) of 20A and an insulation voltage (Ui) of 660V. Equipped with 12 screw terminals, it provides stable and secure wiring for multi-circuit control, power distribution, and industrial automation systems. Safety Certified: Engineered for stable operation and flexible conversion, this switch is manufactured to meet industrial requirements for control circuits. It is CE certified, ensuring compliance with established safety standards for electrical systems. Internal Material Construction: Features silver alloy contacts integrated with galvanized copper connections. This material combination provides high electrical conductivity and low resistivity, helping to minimize heat generation and prevent oxidation for a consistent service life. Flame Retardant PC Material: The switch enclosure is made of reinforced flame-retardant PC material. It offers effective insulation performance and resistance to high temperatures, maintaining structural integrity in demanding industrial environments. Versatile Usage: Suitable for use in power switches, asynchronous motor start/reverse, and speed control circuits. It is commonly applied in control cabinets, distribution panels, and various industrial automation equipment. 4 position control and 12 terminals design. Suitable for the thickness between 1mm to 4mm of the mounting board. Suitable for a wide range of applications, it can be applied as a circuit control switch, master control switch, testing equipment control switch, or change-over switch for electric welding machinery and other equipment. Circuit Connection Logic:
- Position 0: All terminals are disconnected.
- Position 1: Terminals 1-2 and 3-4 are connected and working.
- Position 2: Terminals 5-6 and 7-8 are connected and working.
- Position 3: Terminals 9-10 and 11-12 are connected and working.