Acti9 PadLocking Device, Set of 10, Sealable

No , can't uses the locking device in ON position.

Yes, A9A27006 is suitable to use on A9S66463

 

No they don't fit. You will need to replace the old MG MCB with new Acti9 MCB to fit the new Auxiliaries

No, those are designed to fit onto the acti9 AC MCBs for those MCBs use the A9N26929

A9Z51240 = Type B single phase RCCD
A9F54240 = 2 pole, 40A, Curve MCB
A9A26969 = Under voltage release

Parts that should be supplied as follows:

KITPARKING22-1:
A9F54440 x 1, MCB, iC60H 4P 40A C Curve
A9Z51440 x 1, RCD, iIDP 4P 40A 30mA Type B, 400V
A9A26969 x 2, Under voltage release, iMNX 220 240VAC
A9F44204 x 1, MCB, iC60N 2P 4A C Curve
A9R91240 x 1, RCCB, iID 2P 40A 30mA Type Asi
A9A26924 x 2, Aux contact, iOF 240 415VAC 24 130VDC

KITPARKING22-2:
A9F54440 x 2, MCB, iC60H 4P 40A C Curve
A9Z51440 x 2, RCD, iIDP 4P 40A 30mA Type B, 400V
A9A26969 x 3, Under voltage release, iMNX 220 240VAC
A9F44204 x 1, MCB, iC60N 2P 4A C Curve
A9R91240 x 1, RCCB, iID 2P 40A 30mA Type Asi
A9A26924 x 4, Aux contact, iOF 240 415VAC 24 130VDC