SMA POWER MODUL - Manual (Page 13)

SMA Solar Technology AG Electrical Connection
Installation Guide PModul-IEN094510 13
13. Secure the Power Modul with the screw.
14. Remove one of the filler plugs from the seal.
15. Plug the cable through the nut and the seal.
16. Insert the end of the cable through the cable gland in the inverter.
17. Push the seal into the cable gland.
18. Loosely screw on the nut of the cable gland.
19. Connect the wires to the terminals of the socket. The polarity is arbitrary.
20. Close the spring-type terminals.