Below is a list of safe maximum outputs for many Lucas dynamos from the 1930's, 40's, 50's and 60's.
Dynamos should be in good condition for best performance.
Please use these figures as a reference when selecting the current limit on our ADR106 regulators.


Lucas 12v Two Brush Dynamos

C5 H - 14a

C5 HV - 14a

C39ZV - 17a

C39 PV - 17a

C39 PV2 - 19a

C418 H - 12a

C45 H - 11a

C45 HL - 11a

C45 HV - 11a

C45 PV - 13a

C45YV - 13a

C45 XV - 13a

C45 ZV - 10a

C45 ZVH - 25a

C45 PV5/PVS5 - 20a

C45 PVS6 - 25a

RA5 - 24a

C40 - 22a

C42 - 25a


Lucas 6v Two Brush Dynamos


C39 ZV - 21a

C39 PV - 21a

C39 PV2 - 23a

C418 H - 12a

C45 E - 133333a

C45 PV - 18a

C45 YV - 18a

C45 XV - 18a

E3 AR - 6a

E3 N - 6a

E3 L - 10a

MC45 - 7a


Lucas 12v Three Brush Dynamos

A three brush dynamo MUST be PROPERLY converted to two brush to work with an electronic regulator.

Just earthing the third brush is not sufficient!


A900 R - 9a

C418 A - 13a

E418 A - 13a

E418 AL - 14a

C45 A - 14

C45 AL FA - 12a

C45 AL G - 14a

C45 AL BN - 14a

C45 AL A42 - 15a

C45 AL A41 - 14a

C45 MV - 15a

C45 NV - 13a

C45 WV - 15a

C5 A - 15a



Lucas 6v Three Brush Dynamos


C35 A - 13a

C35 M - 11a

C35 MV - 15a

C418 A - 13a

E418 A - 12a

C45 AL - 14a

C45 D - 15a

C45 E - 15a

C45 EV - 17a

C45 M - 15a

C45 MV - 15a

C45 N - 16a

C45 NV - 18a

C45 WV - 20a

E3 H HM - 8a

E3 B - 8a

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