STI STI-1230 without Horn Surface MountLarger cover helps prevent malicious or accidental false fire alarms. The Stopper II is a unique device which has helped prevent false fire alarms around the world for more than 30 years, without restricting legitimate operation of devices such as fire alarm break glass call points. It is ideal for schools, colleges, hospitals, nursing homes, hotels, and all public buildings where there is a history or a threat of false fire alarms. The Stopper II

the control panel can display the exact location of the activated manual station

Two- and six-module UIO motherboards are available

increasing system flexibility

Connect these resistor harnesses where end-of-line resistors are required at remote locations to monitor wiring continuity

Upon command from the FACP

Distance Specification: Maximum line resistance between panel and isolator

UL listed to Standard 268

Upon command from the loop controller

Its addressable nature allows for selective activation of the dry contact

TrueAlarm analog sensors provide an analog measurement digitally communicated to the host control panel using Simplex addressable communications

Typical applications for use of Model ADBH-11 include: dormitories

75 Detectors / 75 Modules Velocity Protocol