Description
Technical Description – GNExB2X21 Xenon Strobe Beacon
Features
- Robust, corrosion proof GRP (glass reinforced polyester) enclosure
- Ingress protection IP66
- Automatic synchronisation on multi-beacon systems
- Choice of three flash rates: 1Hz, double and alternate flash
- DC voltage units feature remote change of flash rate function
- User replaceable Xenon tube mechanically secured against
shock & vibration - Glass lens & Stainless Steel guard
- UV stable PC field replaceable lens colour filter
- Stainless steel fixings
- Triple cable entries
- Duplicate cable terminations
(in & out for daisy-chain installations) - SIL1 compliant to IEC61508 (2010)
Specification
| Energy: | 21 Joules (21Ws) |
| Flash rate: | 1Hz (60 fpm), double flash & alternate flash |
| Peak Candela: | 2,100,000 cd – calculated from energy (J) |
| Eff. Intensity cd: | 1,050 cd – calculated from energy (J) |
| Peak Candela: | 181,491 cd – measured ref to I.E.S |
| Eff. Intensity cd: | 902.69 cd – measured ref to I.E.S |
| Lens colours: | Amber, Blue, Clear, Green, Magenta, Red & Yellow |
| Voltages DC: | 24vdc; 48Vdc |
| Voltages AC: | 115Vac; 230Vac |
| Ingress protection: | IP66/67 |
| Enclosure matl: | UV stable GRP (glass reinforced polyester) |
| Colour: | Natural Red – can be provided in alternative colours |
| Cable entries: | 3 x M20 ISO (2 stopping plugs inc.) Adaptors to M25, 1/2″ & 3/4″ NPT can be specified |
| Terminals: | 0.5 – 2.5mm² (20-14 AWG) |
| Enclosure volume: | <2 litres |
| Line monitoring: | Blocking diode included EOL Min. 500 Ohm 2w, or 3k3 Ohm 0.5w resistor or diode (DC versions) can be fitted |
| Tube life: | Emissions are reduced to 70% after 5 million flashes |
| Temperature range: | -50° to +70°C (-58°F to +158°F) |
| Relative humidity: | 95% – Additional tropicalisation is recommended for applications where both high relative humidity and high ambient temperatures exist |
| Weight: | 3.5kg/7.7lbs |
| *All candela data is representative of performance with clear lens at optimum voltage. | |
| Example part code: | GNExB2X21AC230 [e][m][s][v][x]/[y] GNExB2X21AC230AB1A1R/R GNExB2X21 21 Joule Xenon Strobe Beacon, 230V ac, 3 x M20 entries, Brass stopping plugs, A2 304 SS guard, IECEx & ATEX approved, Red enclosure, Red lens |
Current Consumption
| Version: | Voltage: | Current: | |
|---|---|---|---|
| 24V dc | 20-28V dc | 944mA | |
| 8V dc | 42-54V dc | 428mA | |
| 115V ac | 50Hz/60Hz | +/-10% | 464mA |
| 230V ac | 50Hz/60Hz | +/-10% | 250mA |
Effective Candela Lens Colour Factor
| Amber | Blue | Clear | Green | Red | Yellow |
| 0.70 | 0.24 | 1.00 | 0.25 | 0.23 | 0.93 |
Please refer to datasheet for more information
Manual - GNExB2X21 Xenon Strobe Beacon
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IECEx Certificate of Conformity
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ATEX Certificate
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EU Declaration of Conformity
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SIL1 Certificate
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