A and B models

From Wiki

Smart energy meters

ABB smart energy meters technical information

Energy meter manufacturer Type Power supply (V) Supported model for DLB* Supported model for Solar* MID certified 1/3 phase Datasheet
ABB series A A41
x V
x V
A42
x V
x V
A43
x V
x V
A44
x V
x V
ABB series B
B21
x V
x V
B23
x V
x V
B24
x V
x V

ABB meters wiring:

Powering the energy meter

To correctly connect smart energy meter to power source: