Cooper Crouse-Hinds GmbH
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Explosion-protected safety switches for variable
frequency drives, 20A - 180A
1.5
Safety switch GHG 266 .. (180A)
Marking acc. to 94/9/EC:
II 2 G
EC type examination certificate:
PTB 99 ATEX 1164
Rated voltage:
690 V, 50/60 Hz
Rated current:
180A
Perm. short circuit back-up fuse:
up to U
N
400V up to U
N
500 up to U
N
690V
250A/gL
-
200A/gL
Switching capacity AC 3:
180A
150A
125A
Cable entries (standard version):
Double cable end piece (2 x Ø 47mm -72mm)
+ 2 x M25 Ø 8-17mm
Terminals:
1 x 50 - 150 mm²
observe current load.
Min. wire cross section / supply terminal:
1 x 120 mm² for 180A rated current (T6)
Test torque terminals:
6.0 Nm
Weight (standard version):
ca. 22.50 kg
1.6
Auxiliary contacts:
Rated voltage:
690 V, 50/60Hz
Rated current:
20A
Perm. short circuit back-up fuse:
25A/gL at 690V
Switching capacity:
AC 15
230V / 8.0A
400V / 6.0A
DC 13
24V / 6.0A
230V / 0.4A
Versions with gold-tipped contacts:
max. 400mA
Terminals:
2 x 1.5 - 4.0 mm²
Test torque terminals:
2.5 Nm
1.8
Intrinsically safe switch circuits:
Max. safe voltage U
m
:
690 V
eff
Safe galvanic isolation from all other circuits
and earth
1.7
Interlocking switch:
Rated voltage:
250V, 50/60Hz
Rated current:
AC 5A
DC 0.03A
Terminals:
1 x 1.0 - 4.0 mm²
Test torque terminals:
2.5 Nm
Dimensional drawings
dimensions in mm
X =fixing dimensions
Fig. 4
Safety switch GHG 263 .., 40A
GHG 266 .., 180A / 125A
Fig. 3
Switch handle position
switching - "ON"
switching -"OFF"
GHG 263 .., 40A
GHG 264 .., 80A
