SAEx 07.2
SAEx 16.2 / SAREx 07.2
ACExC 01.2 Intrusive HART
5.2.
Connecting via Ex plug/socket connector with screw-type terminals (KP, KPH)
5.2.1.
Terminal compartment: open
5.2.2.
Cable connection
SAREx 16.2 Control unit - electromechanical
Figure 13: Ex plug/socket connector KPH
[1]
Cover
[2]
Screws for cover
[3]
O-ring
[4]
Terminal compartment
[5]
Terminal board
Hazardous voltage!
Risk of electric shock.
Disconnect device from the mains before opening.
1.
Loosen screws [2] and remove cover [1].
Terminal compartment [4] is designed for explosion protection Ex e (increased
safety). The flameproof compartment (type of protection Ex d) remains hereby
closed.
2.
Insert cable glands with Ex e approval and of size suitable for connection cables.
The enclosure protection IP... stated on the name plate is only ensured if suit-
able cable glands are used. Example: Name plate shows enclosure protection
IP68.
3.
Seal cable entries which are not used with approved plugs suitable for the re-
quired protection type.
4.
Insert the wires into the cable glands.
Table 8: Cross sections and tightening torques
Type
Power terminals (U1, V1, W1)
PE connection
Control contacts (1 to 38)
Cross sections
1)
(1.5)
2.5
6 mm²
(flexible or solid)
0.75
1.5 mm²
(flexible or solid)
Electrical connection
Tightening torques
2 Nm
1 Nm
21