What is the Australia equivalent for a LV432733?
The LV432733 combo pack is not sold in Australia.
What you will have to get is buy the LV432693 breaker and the add on LV432453 Vigi module separately.
LV432693 breaker - https://www.schneider-electric.com.au/en/product/LV432693/circuit-breaker-compact-nsx400n---micrologic-2.3---400-a---3-poles-3d
LV432453 vigi module - https://www.schneider-electric.com.au/en/product/LV432453/earth-leakage-module-compact-vigi-mb---300..30000-ma---440..550-v---3-poles