Product overviewThe GNExB1X05 is an explosion‑proof 5 Joule xenon strobe beacon certified to IECEx and ATEX for hazardous areas. Its UV‑stable GRP enclosure and extended temperature range make it suitable for Zone 1, 2, 21 and 22 installations where high‑visibility safety signalling is required.
Features- Explosion‑proof UV‑stable GRP (glass reinforced polyester) enclosure
- Ingress protection IP66/67
- Automatic synchronization for multi‑beacon systems
- DC versions provide three selectable flash rates and remote flash‑rate initiation
- User‑replaceable xenon tube mechanically secured against shock and vibration
- Glass lens with stainless steel guard and stainless steel fixings
- Field‑replaceable UV‑stable polycarbonate colour filters (amber, blue, clear, green, magenta, red, yellow)
- Dual cable entries and duplicate terminations for daisy‑chain installations
- SIL1 standard; SIL2 Route 2H capability (IEC61508:2010)
SpecificationEnergy: 5 Joules (5Ws)
Flash rate: DC: 1Hz (60fpm), 1.5Hz (90fpm) & double flash; AC: 1Hz (60fpm)
Alarm stages: DC units — 2 (double‑strike pattern remotely selectable)
Peak candela (calculated from energy): 500,000 cd
Effective intensity (calculated): 250 cd
Measured peak candela (IES ref): 45,449 cd
Measured effective intensity (IES ref, clear lens): 117.93 cd
Voltages DC: 12Vdc (10–14Vdc), 24Vdc (20–28Vdc), 48Vdc (42–54Vdc)
Voltages AC: 115Vac (110–125Vac), 230Vac (220–240Vac)
Ingress protection: IP66/67
Enclosure material: UV‑stable GRP
Operating temperature: -50°C to +70°C (-58°F to +158°F)
Cable entries: 2 x M20 ISO (1 stopping plug supplied); adaptors to M25, 1/2" & 3/4" NPT available
Terminals: 0.5–2.5 mm² (20–14 AWG)
Enclosure volume: <2 litres
Tube life: Emissions reduced to 70% after 5 million flashes
MTBF (MIL 217): DC 1,687,763 h; AC 2,032,520 h
Current consumption12V dc (10–14V dc): 437 mA (inrush data available)
24V dc (20–28V dc): 254 mA (inrush 1.09 A 5 ms)
48V dc (42–54V dc): 158 mA
115V ac (110–125V ac 50/60Hz): 95 mA
230V ac (220–240V ac 50/60Hz): 54 mA
Part codes / OptionsBase product: GNExB1 — Type X05 (5 Joule xenon strobe)
Voltage codes: DC012, DC024, DC048, AC115, AC230
Cable entry codes: A = 2 x M20; B = 2 x 1/2" NPT adaptors; C = 2 x 3/4" NPT adaptors; D = 2 x M25; E/F/G = single adaptor options
Stopping plug/adaptor materials: B = Brass; N = Nickel‑plated brass; S = Stainless steel
Guard options: A4 316 stainless steel; accessories include pole mount and sunshade kits
Approvals- IECEx UL 15.0003X
- ATEX DEMKO 15ATEX1448X
- UKCA UL21UKEX2136X
- TR‑CU Ex EAC
- PESO / CCOE
- INMETRO
- SIL1 & SIL2 Route 2H to IEC61508 (2010)
Coding- II 2G Ex db IIC Gb T6 Ta -50°C to +40°C
- II 2G Ex db IIC Gb T5 Ta -50°C to +55°C
- II 2G Ex db IIC Gb T4 Ta -50°C to +70°C
- II 2D Ex tb IIIC Db T110°C Ta -50°C to +70°C
Effective Candela lens colour factorAmber: 0.70
Blue: 0.24
Clear: 1.00
Green: 0.25
Red: 0.23
Yellow: 0.93
Technical characteristics- Model: GNExB1X05
- Type: 5 Joule xenon strobe beacon
- Measured effective intensity: 117.93 cd (clear lens)
- Measured peak candela: 45,449 cd (IES ref)
- Voltages: 10–14Vdc, 20–28Vdc, 42–54Vdc, 110–125Vac, 220–240Vac
- Ingress protection: IP66/67
- Enclosure: UV‑stable GRP; optional A4 316 stainless steel guard
- Operating temperature: -50°C to +70°C
- Standards: IECEx, ATEX, UKCA, Ex EAC, PESO, INMETRO; SIL1 & SIL2 IEC61508 (2010)
- Weight: 1.5 kg