Werma 738 Ex Double Flash Beacon Catalog Page
Ex Double Flash Beacon738
• Gas applications: Zones 1 and 2
• Dust applications: Zones 21 and 22
• Connection area “e” for simple
connection
• High flash power from two consecutive flashes
• Can be mounted as required
• Salt water resistant
TECHNICAL SPECIFICATIONS:
Dimensions (Ø x Height): 209 mm x 315 mm
Housing: Aluminium
Lens: Reinforced borosilicate glass
Mounting Plate: VA stainless steel
Connection: Screw terminal max. 2.5 mm
Cable gland: Cable gland M20 x 1.5 mm
Cable diameter 5-13 mm
Connection area: Increased Safety ”e”
Installation position: As required
Flash energy: C. 15 Ws
Flash frequency: C. 1 Hz
Life duration: 4 x 10
6
flashes
Fixing: Base mounting, bracket mounting (accessory),
tube mounting (accessory)
Explosion protection:
II 2G Ex d e IIC T5 Gb
II 2D Ex tb IIIC 85°C - T 90°C Db
(depending on the voltage)
Approval: PTB 06 ATEX 1039
2
Wire guard (accessory)
Clamp for tube mounting
(accessory)
Mounting plate (accessory)
ORDER SPECIFICATIONS:
Voltage 24 V DC 115 V AC 230 V AC
Current consumption 700 mA 300 mA 200 mA
Surface Temp. (dust) 85 °C 90 °C 85 °C
red 738 100 55 738 100 67 738 100 68
yellow 738 300 55 738 300 67 738 300 68
ACCESSORIES:
Wire guard 975 783 01
Mounting plate 975 783 02
1
/
Clamp for tube mounting 1
Clamp for tube mounting 1
4“ 975 783 03
1
/
2“ 975 783 04
Clamp for tube mounting 2“ 975 783 05
Bracket 975 783 06
TECHNICAL DIAGRAMS:
see page 313
The Ex Double Flash Beacon 738
provides signalling in a range of
different explosion protected areas
Ex Signal Devices
Bracket (accessory)
2 G
Zone 1 + 2
2 D
Zone 21 + 22
4,4 kg
IP 66
+40°C
-20°C
15
Ws
285
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