Danfoss EC-C1200-450, Руководство пользователя

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Touch current in the protective earth conductor exceeds 3,5 mA AC and 10 mA DC.
The cross sectional area of the protective earth conductor must be at least equal to that of the incoming supply
conductor.
One of the safety grounding points must be connected to adjacent building steel (girder, joist), a
oor ground rod, or bus bar. Grounding points must comply with national and local industrial
safety regulations and/or electrical codes.
Cabling and wiring
To make sure that the electric device functions correctly and to minimize the radiated emissions,
all connected cables and wires must be EMC-shielded. Shieldings must be connected to the
ground at both ends of the cable or wire. All power connections must be secured with cable lugs
and cable glands. EMC-shielded cable glands are used in all Danfoss mobile
electri cation products for the power connections. Make sure that the low voltage cable (control
signal cable) shield is also grounded from the both ends.
Cable gland assembly and power line connection
Risk of electric shock when the connection box lid is not installed.
When you work with the power connections make sure that electricity has been disconnected and the electric device has
discharged. Measure the level of the remaining voltage before you touch the power terminals.
All electrical connections must be done according to instructions. It is essential to make sure that
all terminal connections are installed properly and the and the intended application is suitable for
the product in terms of electrical requirements/characteristics.
The high current and high voltage cable harness for AC and DC connections needs to be
terminated with cable lugs and cable glands. It is recommended to use IP67/68 rated, 360º
shielded cable glands and single core automotive rated screened cable. The cross section area of
the copper cable must be 70 mm
2
or smaller, depending on the needed maximum current.
The cable gland has three functions, it works as a stress relief, it seals the connection against water
and dirt and provides appropriate EMI shielding. Advanced cable glands could achieve high EMI
attenuation over a wide frequency range.
The cable lug and cable gland must be assembled according to instructions. For correct assembly
of the cable gland, it is recommended to use a torque key with a turnkey head and a key to adapt
the cable gland. The cable lug is connected to terminal with a M8 screw. Shielding of the power
cable must be connected to the electric device body by the cable gland. Recommendations for the
tightening torques must be followed.
EC-C1200-450
5. Installation
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Danfoss | Produced By: Danfoss Power Solutions | January 2019
| BC265735231757en-000109