A selector switch (three-way switch), also known as a three-position switch or a three-position switch, is a switch with three operating positions. It is usually used to control multiple states or directions in a circuit, such as forward, stop and reverse rotation of a motor, or multi-speed adjustment of a light. Three-way switches are widely used in industrial control, household appliances, automotive electronics and other fields.
Door Limit Switch is a sensor used to detect the position of doors, covers or moving parts, and is widely used in industrial equipment, household appliances, automatic door systems, etc. It detects the state of the door (such as open, closed) by mechanical or non-contact means, and transmits the signal to the control system to achieve safety control or automatic operation.
