Werma 728 Ex Flashing Beacon Catalog Page

728 Ex Flashing Beacon

Ex Flashing Beacon for use in gas

and dust explosion-endangered

areas

• Gas applications: Zones 1 and 2

• Dust applications: Zones 21 and 22

• Ex Flashing Beacon in compact
housing

• Salt water resistant

• Integrated mounting bracket

• Effective explosion protection
even at extreme temperatures
(-50°C to +50°C, with accessory)

• Connection area “e” for simple
connection and cabling to power
source

(VA steel)

TECHNICAL SPECIFICATIONS:

Dimensions (Ø x Height): 139 x 214 mm
Housing: Black coated aluminium, salt water resistant
Lens: Reinforced borosilicate glass
Connection:
Fixing: Wall, base and ceiling mounting

Integrated mounting bracket, VA steel
Cable entry: Cable gland M20 x 1.5 mm
Cable diameter 6-13 mm

Flash energy: C. 5 Ws
Flash frequency: C. 1 Hz
Life duration: 4 x 10
Assembly:

Ex cable gland M20 x 1.5 mm

CAGE CLAMP® max. 2.5 mm

6

flashes

Ex screw plug M20 x 1.5 mm

²

Life duration

up to 50,000 hrs

Innovative solution: The

universal mounting bracket

(included in assembly)

Ex Signal Devices

ORDER SPECIFICATIONS:

Voltage 24 V DC 230 V AC
Current consumption 300 m A 150 mA
Explosion Protection

Approval BVS 11 ATEX E 107 BVS 11 ATEX E 107
IECEx_BVS_11.0082 IECEx_BVS_11.0082
red 728 100 55 728 100 68
yellow 728 300 55 728 300 68

II 2G Ex d e IIC T6 Gb II 2G Ex d e IIC T5 Gb
ll 2D Ex tb lllC T80°C Db ll 2D Ex tb lllC T95°C Db

ACCESSORIES:

Ex wire guard, VA steel, stainless

Ex cable gland M20 x 1.5 mm, metal

975 729 03

975 729 04

To expand the temperature range from -40 °C to -50 °C

Ex screw plug M20 x 1.5 mm
Ex cable gland M20 x 1.5 mm

975 729 02
975 729 01

For connection to an additional beacon

TECHNICAL DIAGRAMS:

see page 313

286

2 G

Zone 1 + 2

2 D

Zone 21 + 22

2,9 kg

IP 66

+50°C

-40°C

5

Ws