Switching elements with interlocking are used to switch off the power supply to the circuits of machines or installations (without time delay). Doors or hatches can then be opened safely with the key released. For machines with an overrun time switching elements with time delay can be used.

Switching elements with interlocking are used to switch off the power supply to the circuits of machines or installations (without time delay). Doors or hatches can then be opened safely with the key released. For machines with an overrun time switching elements with time delay can be used.