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16
Explosion-protected safety switches
for variable frequency drives, 20 A – 180 A
1.4
Safety switch GHG 264 .. (80 A)
EC type examination certificate:
Marking acc. to 2014/34/EU and standard:
EN 60079-0
IECEx certificate:
Category of application: IEC60079-0
Rated voltage:
Rated current:
Perm. short circuit back-up fuse:
Switching capacity AC 3:
Switching capacity DC 1 / DC 23:
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 the
combination of sealing 1 + 2 + 3 for the intermediate region.
(2)
When selecting the seal rubber, ensure that the cap nut can be tightened when carrying out any future mainte-
nance work on the cable entry.
Terminals:
Rated current:
16 mm²
63 A
Ü
80 A
Ü
25 mm²
80 A
Ü
35 mm²
80 A
Ü
Test torque terminals:
Weight (standard version):
BVS 15 ATEX E 125 X
II 2 G Ex db e IIB/IIC T5/T6 Gb
II 2 G Ex db e [ia/ib] IIB/IIC T5/T6 Gb
II 2 D Ex tb IIIC T80 °C Db
IECEx BVS 15.0103 X
Ex db e IIB/IIC T5/T6 Gb
Ex db e [ia/ib] IIB/IIC T5/T6 Gb
Ex tb IIIC T80 °C Db
690 V, 50/60 Hz
80 A
bis U
400V
N
160 A/gG
80 A
U
120 V
e
I
80 A
e
2 contacts in series
2 x M50 + 2 x M25
M25
min.
8.0 / 1.5
(1)(2)
max.
10.0 / 2.0
min.
10.0 / 2.3
(1)(2)
max.
13.0 / 2.6
min.
13.5 / 1.3
(2)
max.
17 .5 / 2.3
2 x 4.0 - 25 mm² (with cable lug 1 x 35 mm²)
Ambient temperature at T
+40 °C
+50 °C
T6
T6
T6
T5
T6
T6
T6
T6
3.5 Nm
approx. 7 .25 kg
GB
bis U
500V
bis U
690V
N
N
160 A/gG
160 A/gG
80 A
63 A
60 V
80 A
1 contact
M50
24.0 / 6.0
28.0 / 7 .0
28.0 / 5.0
35.0 / 7 .0
7 .5
:
amb
+55 °C
T6
--
T6
T6
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