Bosch D382 Combustible Gas Detector None

12 VDC/VAC or 24 VDC/VAC operation Self-purging semiconductor sensor requires no maintenance or recalibration SPDT (Form C) alarm Relay and SPST (Form A) trouble relay designed for seamless connection to control panels or other devices Installer selectable self-restoring or latching functionality Red and Green LED status indicators Alarm relay contact type NC/NO Color White Dimension (H x W x D) (in) 4.50 x 5 x 1.6250 in Input voltage (VAC) 12 – 24 VAC Input voltage (VDC) 12 – 24 VDC Operating temperature (°C) 0 – 49 °C Operating temperature (°F) 32 – 120 °F