摘要 |
The arrangement has a sensor for detecting a generally slowly changing state parameter, especially for detecting smoke and/or a raised temperature. The sensor or its housing has an arrangement for preferably shape-locking fixing to a bearer or mounting element for low voltage switching devices, preferably a mounting rail, and an output for transferring information. AN Independent claim is also included for the following: (a) a method of operating an inventive arrangement for recognizing smoke generation and/or fire in a switch box or similar for triggering a fire alarm. |