Combustible Gas Detector (Macurco GD‑2A) detects the presence of combustible gases such as propane and natural gas (methane). It is rated by Underwriters Laboratories (UL) to alarm below 25% of the lower explosion level (LEL) of propane or methane.
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
Manual Call Points are used for manual triggering, and are deployed in the Local SecurityNetwork LSN and LSN improved. Form H Manual Call Points are designed for outdoor deployment, form G Manual Call Points are designed for indoor deployment.
Adjustment of the Manual Call Point after alarm triggering
Automatic or manual detector addressing via rotary switch possible
Indicator LED for alarm or for inspection evaluation
Call point query routines with evaluation and multiple transmission
These Wheelock motor bells use a high‑quality, micro‑motor operating mechanism. This provides longterm reliability, low starting voltage, and extremely low current consumption. These features enable the use of more bells per circuit and greater alarm signal distribution than conventional bells.
High sound output for improved alerting capabilities
The remote indicator is used when the automatic detector is installed in a place hidden or not visible, like in closed rooms, false ceilings or walls. It is recommended to mount the remote indicator in corridors or access pathways of the corresponding building sections or rooms.
360° view, for both wall mount and ceiling mount
Easy cabling thanks to cable ties bracket and all direction knock-out holes