PUSH BUTTON N.C

PUSH BUTTON PUSH BUTTON N.C

Push Button N.C (Normally Closed)

A Push Button N.C (Normally Closed) is a control switch whose contacts are closed in the normal (unpressed) state. When the button is pressed, the contacts open, interrupting the electrical circuit. When released, the contacts close again.

Specifications

Type: Normally Closed (N.C.)

Operation: Momentary

Common Mounting Size: 22 mm panel hole

Rated Voltage: Typically 230–415V AC or 24V DC (depends on the model)

Contact Configuration: 1NC (one normally closed contact)


Common uses

Emergency stop (E-Stop) circuits

Stop buttons for motor starters

Industrial control panels

PLC control systems

Conveyor and machine control

Generator and Automatic Transfer Switch (ATS) control panels


How it works

Normal state (not pressed): Circuit is closed and current flows.

Pressed: Circuit opens, stopping the machine or interrupting the control signal.

Released: Circuit closes again, restoring the control path (unless another control logic prevents restarting).