The part number for a 3 position switch in the Saturn Series is a 60RSM3.

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=60RSM3&itemno=60RSM3&backto=/search?q=60RSM2&tab-document-1=0
New Zealand - https://www.pdl.co.nz/products/detail?CatNo=60RSM3&itemno=60RSM3&backto=/search?q=60RSM2&tab-document-1=0