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Dimensions in mm
X = fixing dimensions
Control swich GHG 292
Control switch GHG 293,
with meas. instrument with c.t. connection
Control switch GHG 293,
with mes. instrument with direct
connection
8 8 8 8 8
Cooper Crouse-Hinds GmbH
Control switch, GHG 292 and control switch with
measuring instrument, GHG 293
1
Technical data
1.1
Control switch GHG 29.
Marking acc. to 94/9/EC:
EC type examination certificate:
complete
switch base Ex 29
switch base Ex 28
Rated voltage Ex 29:
Rated voltage Ex 28:
Rated current Ex 29:
* with rated current >12A
terminal cross section > 2.5mm².
Rated current Ex 28:
Permissible ambient temperature:
Other temperatures possible with special versions.
Perm.ambient temperature in original packing:
Perm. short-circuit back-up fuse:
Switching capacity Ex 29:
Switching capacity Ex 28:
Design with gold-tipped contacts:
Rated voltage
Rated current
Degree of protection to EN/IEC 60529:
Insulation class acc. to EN/IEC 61140:
Cable entries:
GHG 292
GHG 293 with c.t. measuring instrument
GHG 293 with directly indicated meas. instrument 2 x M32 and 1 x M25
Terminals (standard version):
Test torques:
Cap nut of the cable entry M 25
Cap nut of the cable entry M 32
Cover screws
Terminals
Weight:
standard version GHG 292
standard version GHG 293 (c.t.)
standard version GHG 293 (direct)
1.2
AM72 measuring instrument:
EC type examination certificate:
Movement:
Measuring accuracy:
Overload range:
Measuring range:
L i :
C i :
U i :
I i :
Terminals:
AM 72 weight:
Max. safe voltage U
:
m
1.3
Intrinsically safe switch circuits:
Max. safe voltage U
:
m
II 2 G Ex d e ia II C T5/T6
II 2 D Ex tD A21 IP66 T80 °C
PTB 99 ATEX 1163
PTB 98 ATEX 1118 U
PTB 98 ATEX 1117 U
up to 500V, 50/60 Hz
up to 690V, 50/60 Hz
up to 16 A*
up to 20 A
-20° C up to +40° C (standard version)
-50° C to +80° C
20 A/gL at 500V
AC 15
230V / 6 A
400V / 4.0 A
DC 13
24V / 2 A
230V / 0.3 A
AC 15
230V / 8 A
500V / 6.0 A
DC 13
24V / 6 A
230V / 0.4 A
24 V
max. 400 mA
IP 66 (standard version)
I - plastic terminal boxes fulfil this requirement
II - with metal flange
(standard version)
1 x M25 for cable Ø
8 - 17 mm
1 x M32 for cable Ø 12 - 21 mm
2 x 0.5 - 2.5 mm² or 1 x 1.0 - 6.0 mm²
3.5 Nm
5.0 Nm
2.5 Nm
2.5 Nm
1 level
2 levels
approx. 1.10 kg
1.25 kg
approx. 2.00 kg
2.15 kg
approx. 2.15 kg
2.30 kg
PTB 99 ATEX 2032 U
Moving iron Ex e
Moving coil Ex ib II C
Class 2.5
10-fold at 25 sec.
25-fold at
4 sec.
50-fold at
1 sec.
telltale 1:1.5
n / 1 A
0 - 25 A direct
-
-
-
-
2 x 1.5 - 4 mm²
approx. 0.40 kg
690 V
eff
Safe galvanic isolation from all other circuits
and earth
690 V
eff
Safe galvanic isolation from all other circuits
and earth
3 levels
1.40 kg
2.30 kg
2.45 kg
Class 1.5
10-fold at 5 sec.
0 - 20 mA
4 - 20 mA
max. 0.1 mH
max. 0.1 nF
max. 30 V
max. 150 mA
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