Bosch LP Combustible GAS DETECTOR

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Art.Nr.:
GCT10174

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The D382 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. Use in non-hazardous locations such as residences,

retail stores, office buildings, and institutional buildings. It is usually installed in rooms where gas appliances are located or in rooms that are

susceptible to gas seepage.

Brand: BOSCH

Model: D382

Country of Origin: GERMANY

Features:

  • 12 VDC/VAC or 24 VDC/VAC operation, Combustible Gas Detector (Macurco GD-2A)
  • 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,
  • Red and Green LED status indicators.

Notice

Do not use in industrial locations such as

factories, refineries and chemical plants.

Notice

The D382 does not detect carbon monoxide.

 

Functions:

Input Power

The detector uses a full-wave bridge rectifier so it is

independent of input power polarity. It operates on AC

or DC voltages from 12 V to 24V. A switching regulator

is used to efficiently match the wide input voltage

range to the fixed internal power system.

Status LEDs

The detector has one green and one red status LED on

the front of the detector.

The detector has an internal two-minute time delay

that prevents alarms during the warm-up of the gas

sensor. During the warm-up period, the green LED

light flashes. Once the delay is over, the continuous

green light indicates normal operation.

The detector has a supervisory circuit of critical

functions. A trouble condition, due to a failure of a

non-reliable component, results in both lights flashing

and the trouble relay activating. A power failure also

causes the trouble relay to activate.

The red LED turns on at the same time the alarm relay

activates to indicate the alarm condition.

 

Certifications and approvals:

3M (Macurco) holds the following Listings and

Approvals:

 

Region Certification

USA UL FTAM: Gas and Vapor Detectors and

Sensors (UL2075)

Technical specifications

Environmental Considerations

Temperature (operating): +32°F to +120°F (0°C to +49°C);

For UL installations, +40°F to +120°F

(+4.4°C to +49°C)

Mechanical Properties

Color: White

Dimensions (H x W x D): 4.5 in. x 5.0 in. x 1. 625 in.

(11.4 cm x 12.7 cm x 4.1 cm)

Weight (shipping): 0.54 lb (0.25 kg)

Outputs

Alarm

Relay Configuration: one SPDT (Form C)

Relay Rating: 0.125 A, 40 V, 3 VA

Set Point: 25% below LEL for propane or methane

Trouble

Relay Configuration: one SPST (Form A)

Relay Rating: 0.25 A, 40 v, 10 VA

Power Requirements

Current

Alarm: At 12 VDC: 70 mA; at 24 VDC: 35 mA

At 12 VAC: 100 mA; at 24 VAC: 65 mA

Standby: At 12 VDC: 45 mA; at 24 VDC: 22 mA

At 12 VAC: 65 mA; at 24 VAC: 45 mA

Voltage

VDC input: 12 VDC to 24 VDC

VAC input: 12 VAC to 24 VAC, 50 Hz or 60 Hz

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