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)
min�
max�
(1)
8�0
10�0
1� 5
2�0
Seal 1+2
(Ø mm / Nm)
min�
max�
(1)
10�0
13�0
2�3
2�6
Seal 1
(Ø mm / Nm)
min�
max�
(1)
13�5
1 7� 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
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