Installing The Dc Connection; Connecting The Dc Cable To The Busbar - SMA MEDIUM VOLTAGE POWER STATION 500SC-JP System Manual

5 Installation
5.6

Installing the DC Connection

5.6.1

Connecting the DC Cable to the Busbar

Figure 32: Dimensions of the DC busbar (example)
Position Designation
A Connection area DC+
B Connection area DC‒
C DC connection bracket with dimensions
Terminal lug requirements:
☐ Use tin-plated terminal lugs only.
☐ For the connection, only the supplied screws, washers and nuts must be used.
☐ The terminal lugs must be designed according to the temperature. Temperature: +95°C
☐ The width of the terminal lugs must exceed the washer diameter. Washer diameter: 32 mm. This will ensure that
the defined torques are effective over the whole surface.
Cable requirements:
☐ The DC cables must be designed for the maximum PV voltage and must have double or reinforced insulation.
☐ No more than two cables must be connected to each DC terminal.
☐ Use copper or aluminum cables only.
☐ Maximum cable cross-section: 400 mm².
☐ Terminal lugs: M12
60 MVPS22JP-SH-en-11
SMA Solar Technology AG
System Manual