The dimension of
223H is
127mm(L) x 103mm(W) x 27mm(D). Mounting centres are 84mm apart (94mm x 50mm). The IP rating is IP23.

Please go to the following links below and check under the Documentation Tab for more information.
Australia - https://www.clipsal.com/products/detail?CatNo=223H&itemno=223H-WE&backto=/search?q=223H&tab-document-1=0
New Zealand - https://www.pdl.co.nz/products/detail?CatNo=223H&itemno=223H-WE&backto=/search?q=223H&tab-document-1=0