The part number for a 20A 10mA RCBO is A9D10820 or  4RCBE220/10S
A9D10820 will fit Schneider chassis but cannot not be used for hospitals or body protected areas as it does not switch neutral.
The Clipsal 4RCBE220/10S is suitable for hospitals but will not fit to Schneider chassis.

A9D10820 iC60H - earth leakage circuit breaker 1P + N - C curve - 20 A - 10 mA - 240 V	4RCBE220/10S SLIM CLIPSAL 20A 10mA A-TYPE 6KA

For more information see :
http://eshop.schneider-electric.com/product.aspx?org=21&lang=1&dist=276&prod_id=A9D10820
http://www.clipsal.com/Trade/Products/ProductDetail?catno=4RCBE220/10S

Released for:Schneider Electric Australia