GNExB2X21 Xenon Strobe Beacon

The GNExB2X21 is an IECEx & ATEX approved explosion proof 21 Joule Xenon beacon. The robust IP66 corrosion proof GRP enclosure and extended temperature range ensures suitability for all Zone 1, 2, 21 & 22 hazardous location applications.

The GNExB2X21 beacon produces over 900cd effective – a very high output Xenon strobe flash as required for efficient signalling in environments with elevated levels of ambient light. The optically enhanced field replaceable colour filter optimises the strobe output and is constructed from UV stable PC. The GRP enclosure features a threaded flame path, triple cable entries and a large termination area – all of which significantly reduce installation time. SIL1 compliant to IEC61508 (2010) as standard.

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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

Data Sheet - GNExB2X21 Xenon Strobe Beacon

Manual - GNExB2X21 Xenon Strobe Beacon

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GNExB2 Beacon Outline

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GNExB2 X21 Beacon Wiring Diagrams

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DN 50mm (NPS 2") Pole & Sun Screen GNExB2 Beacons

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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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