20
GB
Explosion-protected, light alloy Ex-d (e) control stations and
distributions, Series: GHG 64
1.2.1.3 Safety switch GHG 64 .. (400 A)
Rated voltage 690 V, 50/60 Hz
Rated current 400 A
Perm. short circuit back-up fuse up to UN 400 V up to UN 500 V up to UN 690 V
500 A/gG 500 A/gG –
Switching capacity AC 23 400 A 400 A 400 A
Cable entries (standard version) according to customer specifications
under the approval
T
erminals M10 x 30
Test torque terminals 44 Nm
Weight 3-pole acc. to specification
6-pole acc. to specification
1.2.1.4 Auxiliary contacts
Rated voltage 690 V, 50/60 Hz
Rated current 20 A
Perm. short circuit back-up fuse 25 A/gL bei 690 V
Switching capacity AC 23 AC 15 230 V / 8,0 A 400 V / 6,0 A
DC 13 24 V / 6,0 A 230 V / 0,4A
Versions with gold-tipped contacts max 400 mA
Terminals 2 x 1.5 - 4.0 mm²
Test torque terminals 2.5 Nm
1.2.1.5 Intrinsically safe switch circuits
Max. safe voltage U
m
690 V eff
Safe galvanic isolation from all other circuits
and earth
Dimension drawing
Enclosure Gr. 400 A
1
2
3
4
5
6
L1IN L2 L3 PE PE 11 13 PE
11 13 PE
11 13
12
14
12 14
L1OUT L2 L3 12 14
90°
0°
0
I
Wiring diagram
main and safety switch up to 400 A
430
430
357
405
365
1046,5
284
430
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