ACB Rating Plug Changes when involving the change up to our NEW STU OCR only:

ACB Rating Plug Changes when involving the change up to our NEW STU OCR only:

ACB Rating Plugs can be changed by customer and purchased separately, with older OCR type. 

If your project requires our new STU (Smart Trip Unit) Type:

The rating plug of the new STU is different from that of the previous OCR.

  1. Additionally, changing to new STU is only possible at the factory.
  2. a new STU Type, new wire assey', and new rating plug.  Factory mod on this. 




LS Electric America Applications Group