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2
Safety instructions
The safety switches GHG 262,
GHG 263, GHG 264, GHG 265 and
GHG 266 are not suitable for
zone 0 and zone 20
hazardous areas.
The temperature class and explosion
group marked on the apparatus, shall be
observed.
The requirements of the EN 61241-0 and -1
regarding excessive dust deposits and
temperature to be considered from the
user.
To ensure adherence to the temperature
class stated on the type label of the
apparatus, the permissible ambient
temperature, the rated terminal cross
section and the self-heating of the
apparatus, that is mainly due to the power
dissipation, shall be taken into account
(test criterion for the self-heating is an
overload of 10%).
Modifications or changes to the safety
switches are not permitted.
They shall be used for their intended
purpose and in perfect and clean state.
Only original COOPER CROUSE-HINDS
GmbH parts may be used as replacements
and for repairs.
Repairs that affect the explosion
protection, may only be carried out by
COOPER CROUSE-HINDS GmbH or by a
qualified electrician in compliance with
the respective national regulations.
Prior to being put into operation, the
safety switches shall be checked in
accordance with the instructions as per
section 6.
Before initial operation, any foreign
matter shall be removed from the
apparatus.
Warning:
The covers of the safety switches can
only be removed when the switch is in the
"ON" position.
The national safety rules and regulations
for the prevention of accidents, as well as
the safety instructions included in these
operating instructions, that, like this text,
are set in italics, shall be observed!
Explosion-protected safety switch 20 A - 180 A
1
Technical data
1.1
Technical details
Marking acc. to 94/9/EC:
für GHG 262
Perm.ambient temperature:
Deviating temperatures possible with special versions.
Perm.storage temperature in original packing:
Degree of protection. to EN 60529/IEC 529:
Insulation class acc. to EN/CEI 61140
Test torques:
Cap nut of the plastic cable entry
for min. cable Ø in Nm
for max. cable Ø in Nm
Cover screws
1.2
Safety switch GHG 262 .. (20 A)
EC type examination certificate:
Rated voltage:
Rated current:
Perm. short circuit back-up fuse:
Switching capacity AC 3:
Cable entries (standard version):
M32 Ø 12-21mm / M25 Ø 8-17mm
Terminals:
Test torque terminals:
Weight (standard version):
1.3
Safety switch GHG 263 .. (40 A)
EC type examination certificate:
Rated voltage:
Rated current:
Perm. short circuit back-up fuse:
Switching capacity AC 3:
Cable entries (standard version):
M40 Ø 16-28mm / M25 Ø 8-17mm
Terminals:
Test torque terminals:
Weight (standard version):
1.4
Safety switch GHG 264 .. (80 A)
EC type examination certificate:
Rated voltage:
Rated current:
Perm. short circuit back-up fuse:
Switching capacity AC 3:
Cable entries (standard version):
M50 Ø 21-35mm / M25 Ø 8-17mm
Terminals:
Test torque terminals:
Weight (standard version):
II 2 G Ex de [ia] IIC T6
II 2 D Ex tD A21 IP 66 T 80 °C
-20° C up to +40° C (standard version)
-50° C to +80° C
IP 66 (standard version)
I - safety switches fulfil this requirement
II - with metal flange
M25
M32
M40
5,00
8,00
11,0
16,0
3,50
5,00
5,00
5,00
2.5 Nm
PTB 99 ATEX 1161
690 V, 50/60 Hz
20 A
up to U
400 V up to U
500 V up to U
N
N
35 A/gL
35 A/gL
20 A
16 A
3-pole version
6-pole version
2 x M32 + 1 x M25
4 x M32 + 1 x M25
2 x 1.5 - 4.0 mm²
2.5 Nm
3-pole
ca. 1.48 kg
6-pole
ca. 2.43 kg
PTB 99 ATEX 1161
690 V, 50/60 Hz
20 A
up to U
400 V up to U
500 V up to U
N
N
80 A/gL
80 A/gL
40 A
40 A
3-pole version
6-pole version
2 x M40 + 1 x M25
4 x M40 + 1 x M25
2 x 4.0 - 16.0 mm²
2.5 Nm
3-pole
ca. 2.75 kg
6-pole
ca. 6.50 kg
PTB 00 ATEX 1091
690 V, 50/60 Hz
80 A
up to U
400 V up to U
500 V up to U
N
N
160 A/gL
160 A/gL
80 A
80 A
3-pole version
6-pole version
2 x M50 + 1 x M25
4 x M50 + 1 x M25
2 x 4.0 - 25 mm²
(with cable lug 1 x 35 mm²)
3.5 Nm
3-pole
ca. 6.50 kg
6-pole
ca. 9.00 kg
Cooper Crouse-Hinds GmbH
M50
M63
22,0
5,00
690 V
N
25 A/gL
10 A
690 V
N
63 A/gL
32A
690 V
N
160 A/gL
63 A
7 7 7 7 7
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