Flame-retardant polyamide composition

The present invention relates to a flame retardant polyamide composition comprising(a)at least one polyamide;(b)about 8 to 35 wt% of at least one halogen-containing flame retardant;(c)at least one of about 0.3 to 12 wt% basic zinc phosphite represented by the formula xZnO.ZnHPO3, wherein x is a number from 1/2 to 10; and optionally(d)up to about 60 wt% of glass fiber, and the total weight percentage of all components included in the composition is 100 weight%.