![SH16 EPB](https://www.domo.it/wp-content/uploads/img-cover-SH16EPB.jpg)
Operation
![Twist to release](https://www.domo.it/wp-content/uploads/img-oper-SH16-EPB-R.png)
Twist to release
It remains in a state (NO or NC) until twisted. It requires to be twisted on left to get back to its normal state.
![Key to release](https://www.domo.it/wp-content/uploads/img-oper-SH16-EPB-K.png)
Key to release
It remains in a state (NO or NC) until a turn of the key. It requires its key to be inserted and turned on left to get back to its normal state.