Macurco Gd-2a | Lel Catalytic Bead | Gas Detectors (general-purpose) | Gasdetectorsusa
Gas Leak and Flame Detectors, Analyzers, Alarm Devices and Calibration Gas

MACURCO   GD-2A

SKU# (650)
MACURCO GD-2A

DETECTORS / GAS DETECTORS (GENERAL-PURPOSE)
LEL CATALYTIC BEAD

$137.60  [2 Days]
  • DESCRIPTION
  • FEATURES
  • SPECIFICATIONS
  • LITERATURE
MACURCO Combustible Gas Detector low voltage all-electronic monitor engineered to detect heating type gases, including methane (natural gas) and propane(bottled gas). 12-24 VAC or VDC input. SPDT alarm and NC trouble relays. Listed to UL Standard 2075. CSFM Approved.

RELAYS   UL

GD-2A
$137.60      

  [  2 Days  ]
Features
  • Flush mounts over a single-gang box
  • Alarm: 25% LEL methane and propane
  • UL Listed, CSFM Approved
  • Flush or Surface Mount
  • Alarm and Trouble Relays
  • 7-10 year Sensor
Applications

Homes, offices, schools, businesses, hotels and other commercial environments

Area: 900 ft2 (84 m2)

Simple.
  • Easy Operation: A green LED signifies that the GD-2A is armed. If gas is detected, the red LED flashes and the alarm condition is activated.
  • Quick Installation: Three part plastic case allows for easy surface mount installation or near flush mount over a four-inch square or double gang electrical box.
  • Maintenance Free: The GD-2A uses a self-purging semi-conductor electronic sensor which requires no maintenance or recalibration.
Trusted
  • Self-Restoring or Latching Functionality: Allows installer to choose whether GD-2A will switch back to normal state after air clears of gas, or stay in alarm until power is interrupted.
  • SPDT Alarm and SPST Trouble Relays: Designed for seamless connection to control panels or other devices.
  • Temperature Compensated: For accuracy over the entire operating range.
Certified
  • Time-Honored Quality: Backed by Macurco’s reliable brand quality and 3M’s history of customer dedication and satisfaction.
  • Listed to UL Standard 2075 for the standard for safety for gas and vapor detector and sensors.
  • Sensitivity Tested based on UL 1484 Standard for Residential Gas Detectors.
Power Information
  • Operates on DC or AC voltages between 12 and 24 volts.
  • Utilizes a full wave bridge rectifier at its power input so that it is independent of the polarity of the input power.
  • Switching regulator is used to efficiently match the wide input voltage range to the fixed, internal power system.
Visual Display
  • Green LED light blinks on and off during the warm up period.
  • Continuous green light (ARMED) indicates normal operation.
  • Both lights flash on and off when a trouble condition occurs.
  • Red LED (ALARM) turns on at the same time the SPDT alarm relay activates to indicate the alarm condition.
Advanced Relay Features
  • Self-restoring operation turns off red light when air clears of gas, switching to normal state.
  • Jumper wire on circuit board can be clipped to allow unit to latch in upon alarm. Power will then need to be interrupted to unlatch alarm condition.
Requirements
  • Designed for connection to UL Listed Fire Alarm/Burglary Control Panels. Do not connect the GD-2A to Fire Alarm Circuits, or Burglar Alarm or other signals.
  • Alarm Control Panel must be dedicated to gas detection or have alarm devices that provide a distinctive alarm for gas detection.
  • Intended for installation in buildings in non-hazardous locations such as residences, retail stores and office buildings.

Easy to install, simple to operate and engineered for reliability. The GD-2A is the professional choice for heating type gas detection.

GD-2A Specifications
Size: 4.5" x 5" x 1.625"
Shipping Weight 0.54 lb
Voltage 12 to 24 VAC 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
Color White
Sensor Maintenance Not required
Alarm Relay Rating 0.125 Amps, 40V, 3VA
Trouble Rating 0.250 Amps, 40V, 10VA
Operating Temperature Range 32° to 120° F
Alarm Set Point Per UL 1484 (25% LEL)
Sensor Life 7 years
Export Info
Made inUnited States
Harmonized Tariff Code (HTC)8531100025

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GD-2A     $138
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