600-Amp 285 Series By ASCO Automatic Transfer Switch (120/240V Single-Phase) Compatible with Briggs & Stratton Liquid Cooled generators NEMA 3R Outdoor Rated Enclosure Approved for indoor or outdoor installations Standard Installation Requires a sub-panel for overload protection True Double-Throw Contacts w/ Inherent Mechanical Interlocking Prevents connection of generator and utility source for maximum safety Terminals For Connection of Neutral and Ground Conductors Allows for easier installation Convenient Control Interface w/ Symbols & Visual Indicators Makes it easy to see transfer switch and power source status Built-In Auxiliary Contacts For Switch Position Indication Provides immediate indication when the switch positions changes Additional Features: Meets Article 702, NFPA-70 National Electric Code (NEC) Requirements Listed to UL 1008 for optional standby systems Please See Spec Sheet For Additional Compliance & Safety Standards 3-Year Limited Warranty