The part number is
B31A.
Please go to the following links below and check under the Documentation Tab for more information.
Australia -Â https://www.clipsal.com/products/detail?CatNo=B31A&itemno=B31A-WE&backto=/search?q=B31A&tab-document-1=0
New Zealand -Â https://www.pdl.co.nz/products/detail?CatNo=B31A&itemno=B31A-WE&backto=/search?q=B31A&tab-document-1=0