
Defender Gas Alarm
Product Overview
The GDS Defender is our most cost effective gas detection solution. The control unit has an advanced design using the latest technology, with versatility to accommodate numerous environments such as swimming pools, breweries and car parks.
Features & Benefits
- Off the shelf system
- Designed for ease of installation
- Capability to extend system and connect directly into Combi CANbus system
Applicable Industry Sectors





















General Enquiries
Tel. +44 (0) 113 2860166
Email:
admin@gds-technologies.co.uk
Sales Enquiries:
Tel. +44 (0) 113 2878187
Email:
sales@gds-technologies.co.uk
Technical Engineering Advice
Tel. +44 (0) 113 2878184
Email:
admin@gds-technologies.co.uk
Defender Gas Alarm The GDS Defender is our most cost effective gas detection solution. The control unit has an advanced design using the latest technology, with versatility to accommodate numerous environments such as swimming pools, breweries and car parks. The GDS Defender also has the capability to form part of our Combi CANbus addressable network, therefore offering the features of our most advanced gas detection system.
GDS Defender | |
Channels | 1-4 Zones 1 to 16 sensors (Standard) 1 to 64 Sensors (4 Zones, 16 per Zone) Additional Power Supply Required |
Measurements | Combustible Gas – L.E.L, % Vol. Toxic Gas – ppm, % Vol. Oxygen – % Vol. – Depletion / Enrichment Refrigerant – ppm Any 4~20mA Transmitter |
Sensor Types | Catalytic, Electrochemical, Infrared, PID, Semiconductor |
Relays | Four Selectable Relays S.P.C.O. 3A @ 230v AC N/E – N/D Latched / Unlatched Each Zone A1/A2/A3 or A2/A3 only or Global (All Zones 1-4) |
Sensor Cable | 3 Core 1mm² Cable Length – 200m Max x4 |
Power | 115/230v AC or/and 24v DC ± 15% 50/60Hz 3Watts – Full Alarm |
Panel Indication | Alarm Red LED / Sounder Display Text A1, A2, A3 Fault Display Inhibit |
Audible Alarm | Internal 85dB @ 30cm Open Collector Driver Output – 100mA @24 v DC (follows internal sounder operation) |
Digital Communications | CANbus (When used with the GDS Combi Controller) |
Operating Temperature | -10 to + 50°C |
Storage Temperature | +5°C to +55°C |
Humidity | 0-95 non condensing |
Ingress Protection | IP65 |
Dimensions | H-150 L-200 D-80mm |
Weight | 920 gms |
Enclosure Material | Polycarbonate |
Standards | EMC BS EN 50270 Low Voltage BS EN 61010-1 |
Top Accessories Defender Interface Sensor Defender Sensor Mains Kit Beacon [pdf-embedder url=”https://www.gds-technologies.co.uk/wp-content/uploads/Products/fixed_systems/Defender/GDS-Defender-Accessories-PDF-2.pdf” title=”GDS Defender Accessories PDF 2″]
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