Werma 783 Ex Rotating Mirror Beacon Catalog Page
Ex Rotating Mirror Beacon783
• Gas applications: Zones 1 and 2
• Dust applications: Zones 21 and 22
• Connection area “e” for simple
connection
• High life duration thanks to low
wear wheel and disc drive
• 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”
Drive: Wheel and disc drive, motor in centre of gravity
Installation position: As required
Mirror rotation rate: 180 r.p.m.
Service life of drive: > 5,000 hrs
Duty cycle: 100 %
Fixing: Base mounting, bracket mounting (accessory),
tube mounting (accessory)
Explosion protection: II 2G Ex d e IIC T3-T4 Gb (depending on version)
II 2D Ex tb IIIC 105 °C - 150 °C Db
(depending on version)
Approval: PTB 06 ATEX 1039
Accesory: Halogen bulb. Bulb overview beginning on page 184.
2
Wire guard (accessory)
Clamp for tube mounting
(accessory)
Mounting plate (accessory)
Bracket (accessory)
ORDER SPECIFICATIONS:
Voltage 24 V AC/DC 24 V AC/DC 115 V AC/DC 230 V AC 230 V AC
Halogen bulb 20 W/24 V 35 W/24 V 35 W/12 V 20 W/12 V 35 W/12 V
Current consumption 900 mA 1,6 A 350 mA 110 mA 170 mA
Temperature Class (gas) T4 T3 T3 T4 T3
Surface Temperature (dust) 105°C 150°C 150°C 105°C 150°C
red 783 110 75 783 100 75 783 100 77 783 110 68 783 100 68
yellow 783 310 75 783 300 75 783 300 77 783 310 68 783 300 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
SPARE PARTS:
Halogen bulb 20 W/24 V for 24 V AC/DC 955 885 25
Halogen bulb 20 W/12 V for 230 V AC 955 885 24
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
Ex Signal Devices
2 G
Zone 1 + 2
2 D
Zone 21 + 22
4,6 kg
IP 66
+40°C
-20°C
279
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