What is the wire size for the neutral on a C60H RCBO, part number 26858?

Issue:
RCBO Wire size

Product Line:
Circuit Breakers

Environment:
Multi-9 RCBO

Resolution:
Neutral cable section: up to 32A = 2.5 mm; for 40 and 45A =4 mm (40A not sold under Square D brand)
Ground cable section : 0.75 mm?

Released for: Schneider Electric Canada