Werma 741 Ex LED Signal Tower Catalog Page

Ex LED Signal Tower741

• Gas applications:
Zones 1 and 2

• No additional zener barrier

• Combination of encapsulation ”m”
and intrinsic safety ”ib” with
connection area ”e”

required

TECHNICAL SPECIFICATIONS:

Dimensions of the Zener Barrier (L x H x W):
Dimensions total: 2 tier (L x B x H):

3 tier (L x B x H):

Housing: Polyamide, black
Signal tower: PC
Connection: Screw terminal max. 2.5 mm

Explosion protection: II 2G Ex e mb [ib] IIC T6 Gb
Approval: PTB 06 ATEX 2005

ORDER SPECIFICATIONS:

Voltage 24 V DC
Current consumption
red / green 741 110 55
red / yellow 741 120 55
red / yellow / green 741 130 55

76 mm x 110 mm x 75 mm

76 mm x 229 mm x 75 mm
76 mm x 263 mm x 75 mm

incl. approved cable gland

<

90 mA

”e”

Life duration

up to 50,000 hrs

2

TECHNICAL DIAGRAMS:

see page 313

The Ex LED Signal Tower 741

warns of imminent danger in gas

explosion endangered areas, e.g. in

the chemical industry and paint shops

Ex Signal Devices

2 G

Zone 1 + 2

2 tier 3 tier

690 g

710

+50°C

IP 65

g

-20°C

275