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6.2.3
Power supply connection
ELHY-Montageanleitung_2021_EN.docx
NOTICE
Before connecting, check whether the mains voltage and the mains
frequency correspond to the specifications on the type plate.
Always keep the junction box clean.
Check that the sealing elements on the junction box are intact and
tight.
Always lock the junction box cover after connecting.
The M 25x 1.5 cable insert must be provided by the operating
company properly in accordance with the IP protection class
specified on the type plate.
Due to hydraulic laws, the motor's power consumption reduces
when the piston has reached the limit position. This prevents
overloading. A thermal protective switch is therefore not
required. If a motor protection switch is used to safeguard the
ELHY
®
thrusters despite this, we recommend adjusting the
thermal overcurrent trigger to 1.5 times the thruster current
according to the type plate.
Electrical power may only be supplied once the earthing conductor is
connected and can be provided as a fixed cable if the thruster is
arranged stationary.
If using a quick lowering switch (capacitors) and a motor
protection switch, the overcurrent trigger must be adjusted after
consulting EMG Automation GmbH.
A pivoting arrangement requires a flexible cable. A minimum cable
cross section of 1.5 mm
connection terminals permit a maximum cable cross section of 2.5
mm
2
. When selecting the cables, the ambient conditions (e.g.
temperature, humidity) at the installation location must also be
considered.
The junction box is equipped with an M25 x 1.5 cable infeed (cable
diameters from 7.5 mm to 18 mm) for cable cross-sections up to
2
4 x 2.5 mm
.
The supply lines are always connected in accordance with the
switch diagrams on the inside of the junction box cover (⇒Junction
box and terminal diagram section).
Only connection cables with a temperature approval of at least
110°C may be used.
Assembly and installation
Electrical connection
2
must be provided for all thruster sizes. The
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6.2
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