Outdoor, Raintight version of model 301660 in aluminum NEMA 3R rated enclosure.  Includes 60 amp utility main and 30 amp generator main mechanically interlocked.  This manual transfer switch is rated at 30 Amps, accommodates from 6 to 16 circuits, and generators up to 7500 watts.  Lockable enclosure - using a padlock.   Includes L14-30 male power inlet, but no wattmeters.  UL 1008 Listed in US and Canada.  Shown with cover off.