SMA RSB-2S-US-10 Manuel D'installation page 23

SMA Solar Technology America LLC
Requirement:
☐ All electrical installations must be carried out in accordance with the locally applicable
electrical standards and the National Electrical Code
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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
1
2
3
4
5
* The open-circuit voltage may be up to 20 V. The maximum short-circuit current is 400 mA.
Installation Manual
Assignment
Supply voltage (+12 V)*
Rapid Shutdown Controller switch
Ground (0 V)
Rapid Shutdown Controller green LED
Rapid Shutdown Controller red LED
6 Electrical Connection
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ANSI/NFPA 70 or the Canadian
RSS-US-IA-xx-14 23