HDA 4000 with IECEx-Approval
Page 5 of 30
Status: 2014-09-03
HYDAC ELECTRONIC GMBH
Mat.
No.: 669746
4.2
Installation Instructions for units with impact protection
Installation instructions for units with M12x1 connector with an impact protected metal safety
sleeve for use in zones:
Ex nA IIC T6 Gc
Ex ta IIIC T80°C T
500
T90°C Da
Ex tb IIIC T80°C Db
By adherence to safety guidelines in the protection rating and applications: the usage of the impact
protected metal safety sleeve is stringently required.
The electrical installation of the transmitter may only be carried out utilizing the hex.27mm flats on
the installation of the impact protected metal safety sleeve.
The impact protected metal safety sleeve must be tightened with a torque of 20 Nm.
The connection of the cable with M12x1 plug may only be carried out in voltage-free condition and in
combination with the impact protected metal safety sleeve. Also the separation of the M12x1
connector may only be carried out if the system is in dead state.
