8
Explosion-protected control units GHG 418
GB
1.4 Potentiometer GHG 418 16..R....
Marking acc. to 2014/34/EU and directive:
D II 2 G
Ex d e IIC/IIB Gb
D I M2
Ex d e I Mb
EC type examination certificate:
IBExU14ATEX1030U
Rated voltage: up to 250 V
Rating:
1 W
Turning range:
270°
Scale:
0 - 100%
Supply terminal:
2 x 1,0 - 2,5mm²
Weight:
approx. 0,15 kg
EC-Type Examination Certificate: IBExU 12ATEX 1047 U
Marking acc. to 2014/34/EU
and standard of series EN 60079:
II 2 G Ex db eb IIC Gb
II 2 G Ex db ia IIC Gb
IECEx type examination certificate:
IECEx IBE 13.0031U
Category of application
standard of series IEC 60079: Ex db eb IIC Gb
Ex db ia IIC Gb
Permissible operating temperature range: -55 °C ... +80 °C
Max. service temperature +80 °C
(Other temperatures possible with special versions)
Perm.ambient temperature in original packing: -55 °C ... +80 °C
Rated voltage /Rated current:
"e" increased safety (Ex db eb) 20 V ... 254 V AC/DC 4 ...15 mA
"e" increased safety (Ex db eb) 12 V ... 24 V AC/DC max. 24 mA
"i" intrinsically safe version (Ex db ia) 10 V ... 30 V DC max. 38.7 mA
Ex-i Datas: U i 30 V
I i 100 mA
Ci 0
Li 0
Pi 750 mW
Supply terminal: 2 x 1.0 - 2.5 mm²; 1 x 4.0 mm² single wire
Test torques: 2.5 Nm
Weight: approx. 0.15 kg
1.3 Signal lamp GHG 418 1806R....
2 Principles
Caution
This symbol warns of a possible failure. Failure to observe this caution may result in the total
failure of the device or the system or plant to which it is connected.
X
ATEX - IEC
Special conditions
This symbol shows Highlights for safe use in accordance to EU-Type-Examination Certificate/ IEC
Ex-Certificate of Conformity.
2
Safety instructions
Target group:
For skilled electricians and suitable qualified, instructed personnel in accordance
with national legislation, including the relevant standards and, where applicable, in
acc. with
IEC/EN 60079-14 on electrical apparatus for explosive atmospheres.
The control units GHG 418 .. are not suited for use in Zone 0.
The temperature class and type of protection stated on the apparatus shall be observed.
Modifications or changes to the control units are not permitted.
They shall be used for their intended purpose and shall be in a perfect and clean state.
Prior to being put into operation, the control units shall be checked in accordance with the
instructions as per section 6.
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