Frequently Asked Questions
Yes, customer can use the 3 pole and leave 4 pole open.
The part number is A9N18426.
Code = A9N18511 3 pole, 15kA, 63A, (27mm wide)
The part code is A9E18327
The ref A9N18359 is C120 MCB (Multi9 design in the white material).
The ref A9A26924 is iOF auxiliary (Aciti9 design for iC60 MCB).
I can confirm that the parts A9N18359 and A9A26924 are not compliant with each other