Edwards EST SIGA-H2D SF 02/01 allowing for a greater number

allowing for a greater number of appliances on the notification appliance circuit and fewer power supplies

It is compatible with EST3

Alarm settings can be easily adjusted using the rotary decimal switches inside the pull box

changeover (form C) contacts that change state when the detector signals an alarm

Edwards EST SIGA-H2D SF 02/01 allowing for a greater numberThe SIGA H2D is a dual reporting heat detector that features a fixed 135 F (57. 2 C) Alarm threshold plus a separate programmable Emergency threshold: Fixed temperature reporting generates an Alarm condition when the devices 135 F (57. 2 C) is reached; Emergency reporting can be used to report elevated temperatures in evacuation elevator lobbies and machine rooms, as well as heat warnings and freeze warnings for areas that are sensitive to temperature