Control station

Push Buttons:

Momentary (Spring Return): The circuit is completed or broken only while the button is pressed; it automatically returns to its original position when released.

Latching (Stay Put): The button remains in the operated position after being pressed and must be pressed again or reset by a specific action.

Appearance: Flush head, Projecting head, Mushroom head (commonly used for emergency stop functions).

Selector Switches: Change between different positions by rotating a handle.

Pilot Lights: Used for status indication.

Key Operated Switches: Operated with a key to enhance security.

Type of Contact

N/O (Normally Open): The circuit is open by default and closes when the actuator is operated.

N/C (Normally Closed): The circuit is closed by default and opens when the actuator is operated.

Mixed Configurations: A single control station can contain multiple sets of both N/O and N/C contacts.

Common Functional Combinations

Single Function: Start, Stop, Emergency Stop.

Dual Function: Start/Stop, Forward/Reverse, Open/Close.

Three Function: Forward/Stop/Reverse, Up/Stop/Down.