242993 / 849460300010
2016-01-13·BA00·III·en·02
Mounting and installation
11
Hazardous Area Loudspeaker -
25, 15 or 8 Watt
Series 8494
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7.2.3 Electrical Connection
Low impedance version 8 Ω or 20 Ω
• Connect conductors up to 4 mm
2
according to wiring diagram
Versions with transformer
• Connect conductors up to 4 mm
2
according to wiring diagram
Tappings
Constant voltage system - insertion loss
• The transformer does not provide compensation for insertion loss.
7.2.4 Earth Connection
Establish connection to potential earth on the marked connection inside the device.
Check the following:
• Do you have the correct device to satisfy the system specification?
• Are the gas group and temperature range of the product suitable for the
intended application?
• Is the supply voltage correct?
• Is a suitable mounting location available?
01885E00
10551E00
A = Input
B = Output for next device
Connector 25 W Transformer
15 W Transformer
8 W Transformer
1 :
2 25.0 W
15.0 W
8.0 W
2 :
3 15.0 W
8.0 W
4.0 W
3 :
4 6.5 W
4.0 W
2.0 W
1 :
3 5.0 W
3.0 W
1.5 W
2 :
4 2.5 W
1.5 W
0.7 W
1 :
4 1.5 W
0.8 W
0.4 W
+
-
1
2
1
2
3
4
A
B
A
B
A
B
A
B
Summary of Contents for 8494 Series
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