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5 Correct use
5 Correct use
Danger of explosion
▶ Danger of death or severe injury.
Only use the product in potentially explosive zones confirmed in the declaration of conformity.
●
Improper use of the product!
▶ Risk of severe injury or death.
▶ Manufacturer liability and guarantee will be void.
Only use the product in accordance with the operating conditions specified in the contract documentation and this docu-
●
ment.
The product GEMÜ 1231 is designed to be fitted on a GEMÜ valve for electrical detection of the position of the linear actuators.
The product works with 2-wire NAMUR proximity switches. The product is non-positively connected to the actuator spindle by
means of a mounting kit.
The product GEMÜ 1231 is intended for use in potentially explosive areas of zones 1 and 2 with gases, mists or vapours and
zones 21 and 22 with combustible dusts in accordance with EU directive 2014/34/EU (ATEX).
The product has the following explosion protection marking:
Gas:
II 2G Ex ib IIC/IIB T6 Gb
Dust:
II 2D Ex ib IIIC T80°C Db
EU type examination certificate: IBExU04ATEX1175 X
Notified body: IBExU, No. 0637
The product has been developed in compliance with the following harmonised standards:
–
EN 60079-0 : 2012 + A11 : 2013
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EN 60079-11 : 2012
Use of the product is permissible in the following ambient temperature ranges: -20 °C to +60 °C
For use in potentially explosive areas, the following conditions or operation limits must be observed:
–
For the explosion group IIC, a warning note in accordance with 29.12 g) is required:
WARNING – danger of electrostatic discharges!
–
If the device is equipped with an M12 connector, only pre-fitted cables approved for the intrinsic safety "i" type of igni-
tion protection may be used. The differential voltage for isolated intrinsically safe electric circuits must not exceed 30
V. The cables and connectors must be laid in a way that avoids damage. The operating instructions for the separately
certified connectors with cables must be observed.
–
Open connectors must be suitably protected to prevent the penetration of dust.
GEMÜ 1231
DANGER
WARNING
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www.gemu-group.com
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