8
Explosion protected terminal boxes type, GHG 72.
GB
Terminal box GHG 721 1...
Dimensions, plastic terminal boxes
X = fixing dimensions
1
Technical data
GHG 721 0
GHG 721 1
1.1 Plastic terminal boxes GHG 721 ...
ATEX type examination certificate:
BVS 13 ATEX E 013 X
Marking acc. to 2014/34/EU and standard
EN 60079-0:
II 2G Ex e
1)
IIC T4
2)
/T5/T6 Gb
II 2D Ex tb IIIC T80°C / T95°C Db
1)
Optional the marking can be amplified with the tyres of protection of the separately certified components,
for example "d", "e", "mb" and/or "ia/ib
2)
".
2)
T4: Only for use of terminals in type of protection Intrinsic Safety "i".
IECEx certificate:
IECEx BVS 13.0031X
Category of application:
IEC 60079-0:
Ex e
1)
IIC T4
2)
/T5/T6 Gb
Ex tb IIIC T80°C / T95°C Db
1)
Optional the marking can be amplified with the tyres of protection of the separately certified components,
for example "d", "e", "mb" and/or "ia/ib
2)
".
2)
T4: Only for use of terminals in type of protection Intrinsic Safety "i".
Max. Power dissipation
Temperature class / Max. ambient temperature
T6 / 40 °C T6 / 50 °C T5 / 40 °C T5 / 55 °C
Plastic version GHG 721 0
16 W
10 W
22 W
16 W
Plastic version GHG 721 1
24 W
15 W
33 W
24 W
Rated voltage:
up to 690 V
Rated current:
acc. to table on the inside of the enclosure cover
Permissible ambient temperature /
Perm. storage temperature in original packing
-40 °C/-55°C to +40°C/+55°C (catalogue version)
Enclosure with plastic flange
-20 °C
-40 °C (protected mounting 4 J)
Enclosure with internal earth plate
and external earthing
-42 °C
Deviating temperatures possible with special versions.
Protection category acc. to IEC/EN 60529:
IP 66 (catalogue version)
IP 65 (enclosure with plastic flange)
Insulation class acc. to IEC/EN 61140:
I - with metal flange
II - plastic terminal boxes fulfil this requirement
Terminals
Terminal box GHG 721 0...
max. 16 mm²
Terminal box GHG 721 1...
max. 35 mm²
Test torques
acc. to customer´s specification and as certified
Empty weights
Terminal box GHG 721 0...
approx. 1.1 kg
Terminal box GHG 721 1...
approx. 1.7 kg
Test torques
Test torques for cable glands see cap. 11.
Cover screws:
2.50 Nm
