System Sensor B200SR-LF-IV FBA The reversible mounting bracket permits

The reversible mounting bracket permits both flush- and surface-mount back box installations

The Mounting Base is required to meet local code and application requirements and for that System Sensor offers standard 4in and 6in bases

Devices can be mounted to pre-drilled and tapped (#6-32) holes in standard one-gang to five-gang mounting configurations

UL/ULC Listed

The Bosch D7050‑B6 Two-wire Detector Base is the required base for the D7050 Multiplex Photoelectric Smoke Detector Head and the D7050TH Multiplex Photoelectric Smoke Heat Detector Head

System Sensor B200SR-LF-IV FBA The reversible mounting bracket permitsThe B200SR LF WH and B200SR LF IV sounder bases are used with addressable detector heads. Refer to the appropriate manual for more information on sensors. The B200SR LF WH B200SR LF IV low frequency sounder base generates a low frequency tone around 520 Hz. Studies have shown that low frequency audible devices that operate around 520 Hz are more effective in waking individuals in sleeping areas. It offers maximum flexibility in configuration and