Werma 784 Ex Revolving Signal Beacon Catalog Page
Ex Revolving Signal Beacon784
• Gas applications: Zones 1 and 2
• Dust applications: Zones 21 and 22
• 3 Fresnel lenses effect light convergence and optimise visibility
• Can be mounted as required
• Low rotation rate and long life
duration thanks to low wear
wheel and disc drive
• Connection area “e” for simple
connection
• 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”
Drive: Wheel and disc drive, motor in centre of gravity
Installation position: As required
Halogen bulb: GY 6.35 35 W 12 V/24 V
Lens rotation rate: 60 r.p.m.
Service life of drive: > 5,000 hrs
Duty cycle: 100 %
Fixing: Base mounting, bracket mounting (accessory),
tube mounting (accessory)
Explosion protection:
Approval: PTB 06 ATEX 1039
II 2G Ex d e IIC T4 Gb
II 2D Ex tb IIIC 105°C Db
2
Wire guard (accessory)
Clamp for tube mounting
Ex Signal Devices
Mounting plate (accessory)
(accessory)
Halogen bulb included in assembly. Bulb overview see pages 184 + 201.
ORDER SPECIFICATIONS:
Voltage 24 V AC/DC 115 V AC/DC 230 V AC
Current consumption 1,6 A 350 mA 170 mA
red 784 100 75 784 100 77 784 100 68
yellow 784 300 75 784 300 77 784 300 68
ACCESSORIES:
Wire guard 975 783 01
Mounting plate 975 783 02
Clamp for tube mounting 1
Clamp for tube mounting 1
Clamp for tube mounting 2“ 975 783 05
Bracket 975 783 06
1
/
4“ 975 783 03
1
/
2“ 975 783 04
SPARE PARTS:
Halogen bulb 35 W/24 V for 24 V AC/DC 955 883 35
Halogen bulb 35 W/12 V for 115 V AC, 230 V AC 955 883 34
TECHNICAL DIAGRAMS:
see page 314
282
Bracket (accessory)
2 G
Zone 1 + 2
2 D
Zone 21 + 22
4,6 kg
IP 66
+40°C
-20°C
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