Siemens GMA121.1P SF 09/10 The Commander4 also features the

The Commander4 also features the patented Checkmate® instant voltage verification feature which allows the installer to check the voltage drop draw and match it to the blueprint

Battery life for the AV set of batteries depends upon the activation time and output level of the audio or visual signal

Compatibility: Integrates with Siemens fire detection systems

The FireWatch Series internet monitoring modules IPDACT-2 and IPDACT-2UD permit monitoring of alarm signals over the Internet

Bell Trouble

Siemens GMA121.1P SF 09/10 The Commander4 also features theOpenAir GMA Series Electric Damper Actuator, rotary, spring return, 62 lb in (7 Nm), 24 Vac dc, 2 position control, 90 sec run time, plenum rated