Operating Instructions (Industry Standard English, for product manual)
Closing Operation of Load Switch
Insert the operating handle into the closing shaft hole (bottom right), then rotate it clockwise by 180°. The mechanism drives the contacts to complete rapid closing of the load switch.
Opening Operation of Load Switch
Rotate the operating handle counterclockwise by 180° to finish the opening operation.
Earthing Operation of Load Switch
Insert the operating handle into the earthing shaft hole (top right) and rotate clockwise by 180°. The mechanism drives the contacts to complete rapid earthing closing.
For opening the earthing switch: insert the handle into the earthing operating shaft and rotate counterclockwise by 180° to complete the operation.
Installation and Commissioning
Pre-installation Inspection
After unpacking, inspect the product for damage. Verify that the nameplate, certificate of conformity match the purchase order, and the packing list is consistent with actual parts.
Installation
Ensure the ring main unit has flatness and sufficient structural strength during installation. Do not subject the product to mechanical damage during mounting.
Commissioning
The product has passed strict factory testing. Users may inspect the unit against mechanical characteristic parameters.
Contact the manufacturer if any non-conformities are found.
