4
Mounting and Connection
Explosion Proof Actuators StG 2120.xx, StG 30.90-xx, StG 40.90-xx
11
4.2
Electrical Connection
Any works on the actuators may be performed only by properly trained
specialists and in compliance with applicable standards.
Be sure to follow the connection diagram of the plant manufacturer when installing the
electric connection. All cable sizes must be chosen in accordance with the specification.
Up to
10 m
2,5 mm
2
More than 10 – 20 m
4,0 mm
2
More than 20 – 40 m
6,0 mm
2
The actuator is driven by a HEINZMANN control unit. In special
cases, the actuator may be connected to some other control as provided
by the plant manufacturer. This will, however, require that
HEINZMANN have explicitly agreed and that the specifications
provided by HEINZMANN be strictly observed
2
1
3
4
5
l
StG
1
2
12
11
48
49
DC XX.2-01
J
H
M
N
G
KG 30 / KG 40
Figure 3: Electrical Connection
Good earthing according to standards must be ensured. The actuator type StG 2120.xx has
a separate earthing screw which must be secured properly.
Warning
Warning
