The dimensions of 20/30/162/5
, 20 gang switch plate, 4 rows of 5, stainless steel is as follows:
Overall dimension: 257mm(L) x 215mm(W)
Wall box dimension: 232(W) x 194(H) x 58mm(D)
Please go to the following links below and check under the Documentation Tab for more information.
Australia - https://www.clipsal.com/products/detail?catno=20/30/162/5&itemno=20/30/162/5-WE&tab-document-1=0
New Zealand - https://www.pdl.co.nz/products/detail?CatNo=20/30/162/5&itemno=20/30/162/5-WE&backto=/search?q=20/30/162/5&tab-document-1=0