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6 Electrical Connection SMA Solar Technology AG <br />Installation ManualSBxx-1SP-US-41-IA-xx-12 44 <br />7. Plug the terminal block for connecting the outlet for <br />secure power supply operation into the SPS slot in <br />the inverter and tighten it with a flat-blade <br />screwdriver (blade width: 4 mm (5/32 in)). <br />AC - ou t SPS <br />L N <br />1 <br />2 <br />8. Ensure that the terminal block is securely in place. <br />9. Strip off the conductor insulation by max. 15 mm (0.59 in). <br />10. In the case of finely stranded wire, provide the conductors L and N with a bootlace ferrule. <br />11. Connection of conductors of finely stranded wire <br />To connect conductors made of finely stranded wire, each terminal point must be opened. <br />• First insert the connector into the terminal point all the way to the lock (round <br />opening). Then insert a flat-blade screwdriver (blade: 3.2 mm (1/8 in)) as far as it <br />can go into the actuation shaft (rectangular opening). Hereby the lock opens and <br />the conductor can be placed into the terminal point as far as possible. After the <br />connection has been made, the flat-blade screwdriver must be pulled out of the <br />actuation shaft. <br />12. WARNING <br />Fire hazard due to faulty conductor connection <br />If the conductors are inserted into the actuation shafts (right-angled openings), a fire may <br />occur during inverter commissioning. <br />13. Connect the conductors L and N to the terminal <br />block in accordance with the labeling. Insert each <br />conductor into the corresponding terminal point <br />(round opening) up to the stop. <br />AC-ou t SPSL N <br />EN <br />G <br />L <br />I <br />S <br />H <br />534 S Sycamore St <br />- 10110979707/01/22