Tutorials  

Hitachi SJ300 Inverter input power and motor wiring

NOTE: Make sure all power is OFF before proceeding

STEP 1)

First, gather these required materials:

  • SJ300 (ANY SIZE)
  • PHILIPS HEAD SCREWDRIVER
  • CONDUIT WITH 4 LEAD POWER CORD
  • (2) S/O CONNECTORS

STEP 2)

After installing the drive in your location take the Philips screwdriver and remove the bottom panel.

< Click on image for larger picture

STEP 3)

Now with the cover off add an S/O connector on the left

< Click on image for larger picture

STEP 4)

Now pull through your four conductor wire (make sure you use correct wire size) like shown in the picture. Then connect your wires to the power terminal. Connect your wires to R(L1), S(L2), T(L3),
and then to the earth ground.

< Click on image for larger picture

STEP 5)

Now add another S/O connector to the right port.

< Click on image for larger picture

STEP 6)

Now pull your wires for your motor through (make sure to use proper wire size) like shown in the picture. Then connect them to the power terminal as shown in the picture. Connect them to U(T1), V(T2), W(T3), and then to the earth ground.

< Click on image for larger picture

STEP 7)

Now replace the cover and the screw as shown in the picture.

< Click on image for larger picture

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