Known as: beta-hydroxyacylcoenzyme A dehydrogenase activity, L-3-hydroxyacyl CoA dehydrogenase activity, beta-hydroxyacyl-coenzyme A synthetase activity
Catalysis of the reaction: (S)-3-hydroxyacyl-CoA + NAD+ = 3-oxoacyl-CoA + NADH + H(+). [EC:1.1.1.35]