The Current ratings and contacts available for the Amphenol PT Series Housings are listed below.
Size 20 contacts 5A max Pin M39029/31-240 Socket M39029/32-259
Size 16 contacts 10A max Pin M39029/31-228 Socket M39029/32-247
Size 12 contacts 17A max Pin M39029/31-235 Socket M39029/32-254