Macurco GD-2B Security Series Combustible/Heating Gas Detector, Natural Gas (NG) or Propane (LP), 9-32V DC or 12-24V AC
The GD-2B is a low-voltage (9-32 VDC or 12-24 VAC) detector for combustible heating gases - methane (natural gas) and propane (LP) - used in residential, multi-family and commercial office environments. It connects to fire alarm / burglary control panels through its alarm and trouble relays and has an optional internal sounder. It does not detect carbon monoxide, smoke or fire.
Key Features
- Detects methane (natural gas) and propane (LP)
- Flush or surface mount enclosure
- N.O. or N.C. alarm relay and N.C. trouble/supervisory relay
- Self-restoring or latching operation
- Solid-state sensor, no maintenance or recalibration
- Coverage area: 900 sq. ft.
- Alarm setting sensitivity tested per UL 1484 at 25% LEL
- Optional CM-E1-IAK adapter kit for replacing earlier 2-gang Macurco models
Specifications
| Input voltage |
9-32 VDC or 12-24 VAC |
| Current (non-alarm) |
40 mA @ 12 VDC, 20 mA @ 24 VDC, 34 mA @ 12 VAC, 17 mA @ 24 VAC |
| Current (alarm) |
56 mA @ 12 VDC, 28 mA @ 24 VDC, 46 mA @ 12 VAC, 23 mA @ 24 VAC |
| Alarm / trouble relays |
SPST, 100 mA, 40 VDC |
| Alarm set point |
25% LEL (per UL 1484) |
| Operating temperature |
32 to 120 F |
| Size |
3-1/8 x 5-1/8 x 1-3/4 in. (7.94 x 13.02 x 4.4 cm) |
| Color |
White |
Compatible With
- Fire alarm / burglary control panels (12 or 24 V)
- Macurco CM-E1-IAK adapter plate kit
Documents & Downloads
