Mitsubishi Electric 800 Series Assembly & Installation Manuallines page 15

Wiring method
Before the inverter is installed inside the enclosure, terminal block covers must be removed and reinstalled for wiring as required.
Loosen the screw on the terminal block cover and remove the cover.
Terminal block cover
*1
Tilt the upper part of the cover forward, and pull the cover upward.
Loosen the terminal screw to lower the inside clamp all the way down. Turn the terminal block cover upside down and insert it
into the terminal block (the curved side is on the bottom). Fix it with the screw (tightening torque: 0.5 ±0.1 Nm).
Terminal screw
1
Terminal
clamp
1
3
2
2
*1
4
3
WIRING
9