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• Tighten the nuts using the socket wrench with an extension rod. The length of the
extension rod is greater than 30 cm. Secure the screw assembly using an adjustable
wrench.
• After connecting the DC power cables, ensure that the OT terminals are properly attached
to and aligned with the copper bar, and that the DC power cables point vertically
downwards.
• Verify the torque promptly after connecting the negative DC power cables, and then
connect the positive DC power cables.
• Pre-install bolts according to the recommended torque of 47 N· m.
• Verify that the torque of the installed bolts is 47 N· m using a torque wrench.
• Mark the bolts whose torque has been verified using a marker.
Installing Single-core DC Power Cables
Cut the corresponding pagoda connectors using a utility knife, route the DC power cables
through the cable holes at the bottom, and connect the cables to the DC circuit breakers.
When armored cables are used, it is recommended that the armored layers be connected to
ground points in other cabinets.
No. Meaning
1
Screw assembly
2
Spring washer
(Optional) Large
3
washer
4
Wiring terminal
5
Copper bar
6
Flat washer
22
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