Product Ranges
Intrusion Detection, Fire & Safety
Contact Us
  • Vedard Alarm Security Export Sales Company

  • Country: China
  • City: Quanzhou
  • Address: Qingmeng industrial zone
  • Contact Person: Karl Liang

Key Specifications
This package includes gas detector and solenoid valve 1/2" (If you need other size 3/4" etc. please leave comment for us)

GA543-A AC Powered Plug-In Combustible Gas Detector


The gas detector is designed for single station use or for connecting to fire alarm or security alarm panel. Small and compact, the design and color makes it

ideal for use in the home, small commercial properties, and recreational vehicles. It is intended to detect leakage of natural gas (methane gas), town gas, and bottled gas (propane gas), coal gas. The unit is designed for AC Powered plug-in applications. The gas detector can bemounted high (for methane gas) or low (for propane (LPG) gas). It is equipped with a sturdy metal mounting bracket for quick, easy, and secure installation.

Key Specifications/Special Features

Detect all sorts of combustible gases, natural gas (methane), bottled gas (propane), LPG (Liquefied petroleum Gas), LNG (Liquefied natural gas), coal gas,

including town gas.

Easy to install, mounting bracket included.

Loud 85dB alarm and LED warning light.

High quality durable sensor.

Self diagnostic function by MCU intelligent software.

Excellent reliability & High stability.

Ideal for all kitchens.


Unit Dimensions:122mm (H) x 76 mm (W) x 38 mm (D)

Color: Ceiling White

Operating Temperature: -10°C to +50°C

Ambient Humidity: ≤95% RH

Alarm Horn: 85dB at 3m (10 feet)

Operating Voltage: AC90-270VAC

Power Consumption: <1.5W (Standby), <5W (Alarm)

Value of Detection Threshold (Lower Explosive Limit):

Natural Gas: 7500ppm (15%LEL)

LPG: 2000ppm (10%LEL)

Coal Gas: 800ppm (2%LEL)

Method of Alarm: Flashing Red LED with 85dB alarm

Warm Up Time: approximately 60 Seconds

Alarm Output: Sound and Light on spot

Accessories: Metal mounting bracket

Mounting screws with anchors


Solenoid valve for gas control

Functions and Specification:

1.Gas species:methane, LPG, coal gas and other noncorrosive gases.

2.Valve body material: brass alloy

3.Material for sealing:NBR rubber

4.Operating temperature:-10℃~60℃

5.Test operating pressure: 25KPa

6.Connection style:G1/2(DN15A) 1/2"

7.Valve opening:reset manually

8.Valve closing: direct current pulse drive or manually

9.Driving voltage:9VDC to 15VDC

10.Driving current: <1.5A (pulse)

11.Closing time:<0.3s

12.Explosion-proof type: seal

13.Explosion-proof remark: ExmllT6

14.Connection mode: screw tighten

Gas detector with solenoid valve home security gas leakage shut off
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