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Function
4
Function
The appliance was developed as a signalling appliance for warning and calling being
used in hazardous group II category 2G locations. The protection class EEx m II T5 al-
lows this signalling appliance to be used in almost all hazardous zone 1 and 2 locations.
Explosion protection is achieved bay means of a casting compound 'm'.
5
Technical data
Please consult the manufacturer if operating conditions are non-standard.
5.1 Explosion protection
• Explosion protection
Group an category
• Test certificate
• Type of protection to EN 50014
• May be used in temperature class
5.2 Type of protection
• Degree of protection
5.3 Ambient conditions
• Ambient temperature range
5.4 Mechanical data
• Dimension
• Material
• Weight
• Sound pressure
5.5 Electrical data
• Rated voltage, current, series-connected fuse:
Rated
voltage
24 V, DC
24 V, AC
42...48 V, AC
115 V, AC
120 V AC
230 V, AC
Tabelle 5-1: Rated voltage, current, series-connected fuse
• Power supply
• Operating factor (duty cycle)
6
Signal horn Type 8491/1
Voltage
Frequency Rated
range
21,6...26,4 V
21,6...26,4 V
50 Hz
37,8...52,8 V
50 Hz
102,5...126,5 V
50/60 Hz
108...131 V
60 Hz
208...250 V
50 Hz
II 2G
BVS 03 ATEX E 159 X
EEx m II
T5
IP 55 (in accordance with IEC 60529)
-40 °C ... +50 °C
152 mm x 148 mm x 356 mm
PC/ABS-Blend, silicone free
1300 g
max. 105 dB
Fuse blow
current
rating
350 mA
F 0,5 A
450 mA
F 0,63 A
220 mA
F 0,315 A
205 mA
F 0,315 A
200 mA
70 mA
F 0,125 A
cable 3 m, 2 x 0,75 mm
70%
2
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