AUTOMATIC TRANSFER SWITCH - 250 A Control Device : Built-in Controllers Product Structure - Small Size, High Current, Simple Structure, ATS Integration Fast Switching and Low Failure Rate, East Maintenance and Reliable Performance Connection Mode : Front Terminals Conversion Mode : Power to Grids, Power to Generators, Automatic Switch Resettable. 250 A DMC (Moldable) - Material Light Weight, Dust Proof Body, Elegant Poly-Carbonate Casing & Rugged Construction provides High Resistance to UV Warranty: 1 Year by TECHNO Long working life upto 5 years