…alarms from dust, insects, RFI and external light. An integral combination rate-of-rise and fixed 135°F (57°C), 50-foot rated, heat sensor is available with all “T” model detectors.The 449CSRH includes an isolated alarm output for heat and activates an internal non-latching sounder (local alarm)…
Price: $42.91

…compensation reduces false alarms * Field replaceable optical chamber makes servicing easy * Small, low-profile design blends in with any environment * Meets NFPA 72 field sensitivity testing requirements without the need for external meters Technical Specifications * Product: Smoke Detector, 521B, Bulk 10…
Price: $231.63

…compensation that allows the alarm to adjust sensitivity automatically as it becomes dirty over time. The drift compensation feature dramatically increases the time between cleanings, as well as reduces false alarms. For related documents, please visit the Wireless Smoke Detectors Series page. Features…
Price: $453.63

…alarms from dust, insects, RFI and external light. An integral combination rate-of-rise and fixed 135°F (57°C), 50-foot rated, heat sensor is available with all “T” model detectors.The 449CSRH includes an isolated alarm output for heat and activates an internal non-latching sounder (local alarm)…
Price: $35.12

…compensation that allows the alarm to adjust sensitivity automatically as it becomes dirty over time. The drift compensation feature dramatically increases the time between cleanings, as well as reduces false alarms. For related documents, please visit the Wireless Smoke Detectors Series page. Features…
Price: $643.75

…compensation that allows the alarm to adjust sensitivity automatically as it becomes dirty over time. The drift compensation feature dramatically increases the time between cleanings, as well as reduces false alarms. For related documents, please visit the Wireless Smoke Detectors Series page. Features…
Price: $592.66

…smoke sensitivity level can be selected to suit different environmental needs. Settings of 25%, 35% and 50% are available.The 770 series smoke detector automatically resets once a trouble condition is no longer present and builtin drift compensation provides advanced immunity to false alarms. * Alarm…
Price: $591.56

…compensation that allows the alarm to adjust sensitivity automatically as it becomes dirty over time. The drift compensation feature dramatically increases the time between cleanings, as well as reduces false alarms. For related documents, please visit the Wireless Smoke Detectors Series page. Features…
Price: $45.22

…compensation that allows the alarm to adjust sensitivity automatically as it becomes dirty over time. The drift compensation feature dramatically increases the time between cleanings, as well as reduces false alarms. For related documents, please visit the Wireless Smoke Detectors Series page. Features…
Price: $53.78

…compensation that allows the alarm to adjust sensitivity automatically as it becomes dirty over time. The drift compensation feature dramatically increases the time between cleanings, as well as reduces false alarms. For related documents, please visit the Wireless Smoke Detectors Series page. Features…
Price: $55.15

Photoelectric Smoke Alarm w/Relay and Battery Backup, Form A and C Relays That Do Not Operate From the Tandem Circuit; They Must Detect Smoke. Includes Backup Battery 320A/350 Series alarms are single/multiple station photoelectric AC smoke alarms designed for use in residential occupancies, including…
Price: $41.52

Photoelectric Smoke Alarm w/Relay and Battery Backup, Form A and C Relays That Do Not Operate From the Tandem Circuit; They Must Detect Smoke. Includes Backup Battery 320A/350 Series alarms are single/multiple station photoelectric AC smoke alarms designed for use in residential occupancies, including…
Price: $41.72