Cooper Crouse-Hinds GmbH
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Explosion protected terminal boxes GHG 791 01 and
GHG 791 02
1
Technical data
Terminal box GHG 791 01/GHG 721 02
Marking acc. to 94/9/EC and directice:
II 2 G
Ex e d m ia IIC T6
II 2 D
Ex tD A21 IP 66 T80 °C
EC type examination certificate:
PTB 00 ATEX 3108
Rated voltage:
up to 690 V
Rated current:
acc. to table an the inside of the enclosure cover
Perm. ambient temperature:
-20° C up to +40° C (catalogue version)
Special versions permit deviating temperature ranges.
Perm. storage temperature in original packing:
-40° C up to +80° C
Schutzart nach EN/IEC 60529:
IP 66 (catalogue version)
Insulation class acc. to EN/IEC 61140:
I - is complied with by the terminal boxes
II - with internal earth plate
Supply terminal:
acc. to customers specification and as certificate
GHG 791 01
max. 4mm²
GHG 791 02
max. 6mm²
Cable entries:
acc. to customers specification and as certificate
Test torques:
Cover screws
1.20 Nm
Cap nut of the M12 entry
1.65 Nm
Cap nut of the M16 entry
2.50 Nm
Cap nut of the M20 entry
2.50 Nm
Cap nut of the M25 entry
3.50 Nm
Cap nut of the M32 entry
5.00 Nm
Weight GHG 791 01:
empty weight
approx. 0.25 kg
with internal earth plate
approx. 0.30 kg
Weight GHG 791 02:
empty weight
approx. 0.45 kg
with internal earth plate
approx. 0.52 kg
Intrinsically safe circuits:
Max. safe voltage U
m
690 V
eff
Safe galvanic isolation from all other circuits
and earth
Terminal box GHG 791 02
Terminal box GHG 791 01
Terminal box GHG 791 02
Dimensions in mm
X = fixing dimensions
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