Description
Description
The Macurco GD-2A is a low voltage (12-24 VAC or VDC) electronic detector of combustible, heating type gases, that has been evaluated by ETL for methane (natural gas) and propane (LP) gas. The GD-2A is designed for connection to Fire Alarm / Burglary Control Panels. The GD-2A has a SPDT Alarm relay, for connection to control panels or other devices. The GD-2A does NOT detect carbon monoxide. The GD-2A does not have an internal audible sounder.
Features
- 12-24 VAC or VDC input
 - Flush or surface mount enclosure
 - N.O. or N.C. alarm relay
 - N.C. trouble/supervisory relay
 - Low maintenance 7-10 year solid-state sensor
 - Coverage area: 900 sq. ft.
 - Alarm setting 25% of LEL per UL 2075
 - Detects heating gases: propane (LP) and natural gas (methane)
 - Can be self-restoring or latching
 - Electronic sensors: no maintenance or recalibration
 - Temperature compensated
 
Specifications
| Voltage | 12 to 24 VDC or VDC | 
| Current (non-alarm) | 45 mA @ 12 VDC, 22 mA @ 24 VDC, 65 mA @ 12 VAC, 45 mA @ 24 VAC | 
| Current (in alarm) | 70 mA @ 12 VDC, 35 mA @ 24 VDC, 100 mA @ 12 VAC, 65 mA @ 24 VAC | 
| Alarm relay rating | 0.125 AMPS, 40V, 3VA | 
| Trouble relay | 0.250 AMPS, 40V, 10VA | 
| Operating temperature range | 32° to 120° F | 
Resources
Additional Information
| Voltage: | 12 to 24 VAC | 
| Voltage: | 21 to 24 VDC | 
| Color: | White |