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Explosion-protected switch
20 A - 180 A
1�9
Switch GHG 266 ��� (180 A)
EC type examination certificate:
Marking acc. to 2014/34/EU and standard:
IECEx certificate:
Category of application:
*The IP Degree of protection class can be mentioned separately on the type lable.
Rated voltage:
Rated current:
Perm. short circuit back-up fuse:
Switching capacity AC 3:
Cable entries (standard version):
suitable cables and test torques of the pressure screw
Cabel entry:
Seal 1+2+3
1 2
3
(Ø mm / Nm)
Seal 1+2
1 2
3
(Ø mm / Nm)
Seal 1
1 2
3
(Ø mm / Nm)
Test torque for screw in thread cable entry (Nm): 3.0
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.
Terminals:
Test torque terminals:
Weight (standard version):
1�10 Auxiliary contacts
Rated voltage:
Rated current:
Perm. short circuit back-up fuse:
Switching capacity:
Versions with gold-tipped contacts:
Terminals:
Test torque terminals:
1�11 Intrinsically safe switch circuits
Max. safe voltage U
:
m
3- / 4-polig
PTB 99 ATEX 1164
6-pole
PTB 00 ATEX 1073
EN 60079-0
II 2 G Ex d e IIC T6
II 2 D Ex tD A21 IP66* T80 °C
IECEx BKI 07 .0005
IEC60079-0
Ex d e IIC T6
Ex tD A21 IP66* T53 °C
up to 690 V, 50/60 Hz
180 A
up to U
400 V up to U
N
250 A/gG
180 A
3-pole
2 x M63 + 1 x M25
4-pole
2 x M40
6-pole
4 x M63 + 1 x M25
M25
min.
8.0 / 1.5
(1)
max.
10.0 / 2.0
min.
10.0 / 2.3
(1)
max.
13.0 / 2.6
min.
13.5 / 1.3
(1)
max.
17 .5 / 2.3
3-pole
2 x 4.0 - 70 mm²
6-pole
6 x 95 mm²
max. 1 x 120 mm²
6.0 Nm
3-pole
ca. 16.00 kg
6-pole
ca. 31.00 kg
690 V, 50/60 Hz
20 A
25 A/gG at 690 V
AC 15
DC 13
min.: 24 V/ 3 mA; max.: 400 mA
2 x 1.5 - 4.0 mm²
2.5 Nm
690 V
eff
Safe galvanic isolation from all other circuits
and earth
GB
500 V up to U
690 V
N
N
250 A/gG
200 A/gG
150 A
125 A
-
M40
M63
19.0 / 3.3
29.0 / 12.0
22.0 / 5.5
35.0 / 12.0
22.0 / 3.3
36.0 / 12.0
28.0 / 6.7
41.0 / 13.0
7 .5
7 .5
observe current load
(use cable lugs supplied with switches)
230 V / 8.0 A
400 V / 6.0 A
24V / 6.0 A
230 V / 0.4 A
19
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