4061E2PUDM is leading edge.

Please go to the website via the following links below and check under the Documentation Tab for more information.
Australia - https://www.clipsal.com/products/detail?CatNo=4061E2PUDM&itemno=4061E2PUDM-TR&backto=/search?q=4061E2PUDM&tab-document-1=0
New Zealand - https://www.pdl.co.nz/products/detail?CatNo=4061E2PUDM&itemno=4061E2PUDM-TR&backto=/search?q=4061E2PUDM&tab-document-1=0