* NC/NO selection
* Includes a 470 Ohm resistance, does not require additional resistance connection.
* Transparent protection cover can be installed. Cover can be sealed.
* Suitable for flush and surface mounting.
* 5-30 VDC supply
* Compatible with all conventional fire and theft alarm systems conformity
TFA-0165 transparent front protection cover prevents unauthorized tampering and use, and the transparent nature enables viewing of all warnings and functions.