self-stopping device

noun
UK /ˌself ˈstɒpɪŋ dɪˌvaɪs/
US /ˌself ˈstɑːpɪŋ dɪˌvaɪs/

A self-stopping device is a machine that stops by itself when it is done or when something goes wrong.

The washing machine has a self-stopping device that turns it off when the clothes are clean.


OTHER MEANINGS

2. A safety feature that halts a machine automatically to prevent damage or injury.

The saw's self-stopping device kicked in the moment the blade jammed.

3. A built-in timer that ends a process without a person's help.

The oven's self-stopping device turned off the heat after two hours.

4. A mechanism that brings a moving vehicle or part to rest on its own.

The escalator's self-stopping device halted the steps when someone fell.