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Ex Signaling devicesLoudspeakers 117 dB (A) / 113 dB (A)BExL 25 d/e / BExL 15 d/e• EEx d IIC T4 / EEx de IIC T4• KEMA certifi ed• ATEX approval, optionally IEC and GOST approvals• housing made of die-cast aluminium LM6, horn ABS• categories 2G and 3G (Zones 1 and 2)• also available as category 2D/3D for dust zones 21 and 22• chromated polyester powder coating, resistant to moisture and saltspray, good resistance to most acids, alkalis and oilsr =79mBExL 15r =126mBExL 25IP 66IP 67+ 70 °C- 50 °Cmax. signalreceptionrangemax. signalreceptionrangeProtectionsystemOperatingtemperatureMechanical data BExL 25 d/e BExL 15 d/eProtection system ’d’= IP 67; or ’e’= IP 66Explosion protectionII 2G EEx d IIC T4 / II 2G EEx de IIC T4II 2G EEx d IIB T4 / II 2G EEx de IIB T4Category (area of use)2G (Zone 1)3G (Zone 2)Certificate of conformity KEMA 99 ATEX 7906Testing bodyKEMASound pressure level distance 1 m 117 dB (A) ± 3 dB (A) @ 25 W 113 dB (A) ± 3 dB (A) @ 15 WRated power sine wave 25 W 15 W100 V power – 25 W / 12.5 W / 6 W / 2 W tapsTransformertype(Z = 400 Ω / 800 Ω / 1.67 kΩ / 5 kΩ)Impedance type 8 Ω or 16 Ω100 V power – 15 W / 7.5 W / 3 W / 1 W taps(Z = 666.87 Ω / 1.34 kΩ / 3.34 kΩ / 10 kΩ)Dispersion 130° @ 1 kHz / 32° @ 4 kHz 120° @ 1 kHz / 32°@ 4 kHzFrequency range 300 Hz – 8000 Hz 400 Hz – 8000 HzTemperature class TIIC T4 @ - 50 °C ... + 55 °C TaIIB T4 @ - 50 °C ... + 70 °C TaStorage temperature - 50 °C … + 70 °CRelative humidity 90 %Duty cycle 100 %Materialhousing die-cast aluminium LM6, similar to RAL 3000 (fl ame red)horn ABS self-extinguishing, similar to UL 94 VO & 5VA FR ABS, Ex II 2GD anti-static ABS, blackConnecting terminals 1 x 4 mm 2 or 2 x 2.5 mm 2Cable entry 2 / 1 x closed, 1 x open (M20), optionally PG13.5 or 1/2“ NPTWeighttransformer ’d’: 3.95 kg / ’e’: 4.21 kg ’d’: 3.45 kg / ’e’: 3.10 kgimpedance ’d’: 3.56 kg / ’e’: 3.82 kg ’d’: 3.71 kg / ’e’: 3.36 kg232www.pfannenberg.com
ELECTRO-TECHNOLOGY FOR INDUSTRYDimensionsBExL 25 d/eBExL 15 d/e162Ø 220Ø 181’d’ version: 313 ’e’ version: 3267 (3x)145’d’ version: 263 ’e’ version: 2753030Connection diagramsEEx ’d’ version 8 Ω and 16 ΩEEx ’e’ version 8 Ω and 16 ΩConnectioninternal potentialequalisation2 x M20 cable entriesinternal earthconnection100V versionConnections BExL 25 d (25 W) BExL 15 d (15 W)A–B 25 W 15 WA–C 12.5 W 7.5 WA–D 6 W 3 WA–E 2 W 1 WEx LoudspeakersOrdering detailsArticle numbers BExL 25 d BExL 25 e BExL 15 d BExL 15 e8 Ω 320 93 00 0 910 320 95 00 0 910 320 97 00 0 910 320 99 00 0 91016 Ω 320 93 00 0 911 320 95 00 0 911 320 97 00 0 911 320 99 00 0 911100 V transformer 320 93 00 0 912 320 95 00 0 912 320 97 00 0 912 320 99 00 0 912Options / accessoriesGOSTFurther technical information can be found on our website at www.pfannenberg.com233
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Signal tower Ø 54 mmBR 50ELECTRO-T
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