6 Electrical Connection
SMA Solar Technology America LLC
Installation Manual
RSS-US-IA-xx-14
23
Requirement:
☐ All electrical installations must be carried out in accordance with the locally applicable
electrical standards and the National Electrical Code
®
ANSI/NFPA 70 or the Canadian
Electrical Code
®
CSA C22.1.
Procedure:
If several Rapid Shutdown Boxes are present in your Rapid Shutdown System, connect the first
Rapid Shutdown Box to the Rapid Shutdown Controller first. To do so, first connect one end of the
conductors to the Rapid Shutdown Box and then connect the other end of the conductors to the
Rapid Shutdown Controller.
• Connect the conductors to the Rapid Shutdown Box.
• Connect the conductors to the Rapid Shutdown Controller.
Connecting the conductors to the Rapid Shutdown Box
Figure 8 : Pin assignment of the lower pin row on the terminal block
RSC
in the Rapid Shutdown Box
Pin
Assignment
1
Supply voltage (+12 V)*
2
Rapid Shutdown Controller switch
3
Ground (0 V)
4
Rapid Shutdown Controller green LED
5
Rapid Shutdown Controller red LED
* The open-circuit voltage may be up to 20 V. The maximum short-circuit current is 400 mA.
ENGLISH
Summary of Contents for RSB-2S-US-10
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