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18
Switches, GHG 981,
industrial design up to 250 A, 3 and 6-pole
GB
1�10 Safety switch 250 A; GHG 981 0033
Rated voltage:
690 V, 50/60 Hz
Rated current:
250 A
Perm� short circuit back-up fuse:
up to U
N
400 V
up to U
N
500 V
up to U
N
690 V
350 A/gL
–-
300 A/gL
Switching capacity AC 23 A:
250 A
250 A
250 A
Cable entries (standard version):
3-pole version
Double cable end box +M25
2 x Ø 46 -72mm + 1 x M25
suitable cables and test torques of the
pressure screw M25
Ø
Nm
Seal 1+2+3
(Ø mm / Nm)
1
2
3
min�
max�(1)
8�0
10�0
1�5
2�0
Seal 1+2
(Ø mm / Nm)
1
2
3
min�
max�(1)
10�0
13�0
2�3
2�6
Seal 1
(Ø mm / Nm)
1
2
3
min�
max�(1)
13�5
17�5
1�3
2�3
(1)
The tests of clamping ranges and torque values were performed with metal mandrel� The clamping range can
vary by using cables with different manufacturing tolerances and material properties� Please use a suitable
combination of seals in the intermediate area, so that the cap nut can be tightened in future maintenance
work on the cable entry�
Test torque for escrew in thread cable entry
3�0 Nm
Terminals:
1 x 35 - 120 mm²
observe current load.
Test torque terminals:
6�0 Nm
Weight (standard version):
3-pole - approx� 16�0 kg
1�11 Auxiliary contacts
Safety switch
10 A
20-80/125-180 A 100,160,250 A
Rated voltage:
500 V
690 V
690 V AC
Rated current:
10 A
25 A
6 A
Perm� short circuit back-up fuse:
16 A/gL
25 A/gL
6 A/gL
Switching capacity:
AC 15
230 V
6�0 A
8�0 A
6�0 A
400 V
4�0 A
6�0 A
4�0 A
DC 13
24 V
2�0 A
6�0 A
1�0 A
230 V
0�5 A
0�4 A
0�3 A
Versions with gold-tipped contacts:
400 mA
400 mA
400 mA
Terminals:
2x1�5-2�5mm² 2x1�5-4�0mm² 1x0�75-2�5mm²
250 A 3-pole
X = fixing dimensions
Dimensions in mm