The SD-2 / SD-4 Series smoke detectors are suitable for use in commercial, industrial, institutional and residential occupancies. The sleek low-profile design of the detectors emphasizes ease of installation and field maintenance. The SD-2 / SD-4 Series consists of six models:

SW-2WP-LED / SD-2WT-LED

The SD-2WP-LED is a two-wire photoelectric smoke detector for use with electrically compatible fire alarm control units. The SD-2WT-LED is a two-wire smoke detector that uses photoelectric technology in conjunction with a fixed temperature heat sensor to further extend its sensing capabilities. Both models include a remote LED output.

SD-4WP / SD-4WT

The SD-4WP is a four-wire photoelectric smoke detector. The SD-4WT is a four-wire photoelectric smoke detector with a fixed temperature heat sensor. All SD Series smoke detectors come equipped with a sleek low-profile design and durable sensor head. Utilizing advanced detection and discrimination algorithms, the SD Series smoke detectors provide quality and reliability.