Pfannenberg Catalogue

Ex Signaling devices
r =
56 m
max. signal
reception
range
Sounder with speech reproduction 110 dB (A)
BExA110 d/e
IP 66
IP 67
Protection
system
+ 70 °C
- 50 °C
Operating
temperature
Electrical data BExA110 d/e
Rated voltage 230 V AC 115 V AC 24 V DC
Rated frequency 50 Hz / 60 Hz 50 Hz / 60 Hz
• text individually programmable without programming device (integrated
microphone)
• max. 16 seconds speech reproduction
• 9 different tones (DIN tone), UKOOA/PFEER conformant
• volume control up to 20 dB (A) via potentiometer
• combination of tone/spoken message
• also available as categories 2D & 3D (Zones 21 & 22) for dust zones
• precise defi nition of alarms and warnings
• low power consumption, hence long alarm using emergency power
• suitable for UPS systems due to 24 V rated voltage
• no PA system required for speech reproduction
• stainless steel mounting bracket for 360° positioning
• protected against pole-reversal
• surface coating has good resistance to most acids, alkalis and oils
Operating range ± 10 % ± 10 % ± 25 %
Power consumption at maximum volume 45 mA 90 mA 480 mA
Mechanical data BExA110 d BExA110 de
Protection system IP 67 IP 66
Explosion protection
II 2G EEx d IIC T4 / II 2G EEx de IIC T4
II 2G EEx d IIB T4 / II 2G EEx de IIB T4
Category (area of use)
2G (Zone 1)
3G (Zone 2)
Certificate of conformity KEMA 99 ATEX 7906
Testing body
KEMA
Sound pressure level distance 1 m 110 dB (A) ± 3 dB (A) – speech reproduction 5 dB (A) lower
Temperature class T
IIC: T4 @ - 50 °C ... + 55 °C Ta
IIB: T4 @ - 50 °C ... + 70 °C Ta
Storage temperature - 50 °C … + 70 °C
Relative humidity 90 %
Duty cycle 100 %
Material
housing 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 2D anti-static ABS, black
Connecting terminals
AC 2 x 1.5 mm 2
DC 1 x 4 mm 2 or 2 x 2.5 mm 2
Cable entry 2 / 1 x closed, 1 x open (M20), optionally PG13.5 or 1/2“ NPT
Weight
AC 3.4 kg 3.7 kg
DC 3.2 kg 3.4 kg
224
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