4 IFS NS3552-8P-2S and NS3550-2T-8S Quick Installation Guide
2. Tighten the wire-clamp screws for preventing the wires from loosing.
1 2 3 4 5 6
Power 1
Power 2
+ - + -
The wire gauge for the terminal block should be in the range
between 12 ~ 24 AWG.