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  ASCO 185A2200F4M Series 200A Automatic Transfer Switch - 2 wire start NEMA 3R Aluminum

ASCO 185 Series 200A Automatic Transfer Switch
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Availability: Usually Ships in 1 to 2 Weeks
Product Code: 185A2200F4M

Product Details

ASCO Series 185 Power Transfer Switch

Power Transfer Switch Comparison

Residential power outages can jeopardize homeowner personal safety and comfort, and also cause millions of dollars in damages to small businesses each year. Computers, communications, air conditioning, security systems, refrigerators and freezers, hot water heaters and sump pumps all depend on electrical power to operate. A generator is one piece of the solution.

An ASCO Series 185 Power Transfer Switch is the other, the vital link that makes continuous power hassle free. ASCO Series 185 Power Transfer Switches provide all the intelligence your generator needs to make sure the power stays on when utility power fails. Sensing the loss of utility power and signaling the generator to start and restore power to your home or business – even if no one is home. When utility power has been restored, the Series 185 Power Transfer Switch automatically transfers your vital loads back to the utility and shuts the generator down.

Working hand in hand with virtually every brand of generator, ASCO Series 185 Power Transfer Switches provide around-the-clock protection from a power failure, taking action only when required.

For loads in excess of 400A, critical power and three phase Article 701 and 702 applications, use the ASCO 300, 4000 and 7000 Series products.

Product Features

  • User-friendly control interface with easy to understand symbols and visual indicators to inform operator of transfer switch and power source status.
  • Listed to UL 1008 for optional standby systems, handling total system load including motors and all other electrical loads.
  • cUL Listed for Canadian installations.
  • Meets Article 702, NFPA-70 National Electric Code (NEC) requirements.
  • Nominal service voltage 240V 50/60Hz, single phase, 3 wire AC systems.
  • Available in 100 through 400A ratings.
  • True double-throw contacts with inherent mechanical interlocking to prevent connection of generator and utility sources.
  • Terminals for convenient connection of neutral and ground conductors.
  • Available in NEMA Type 1 Indoor (steel) and Type 3R Outdoor (aluminum) enclosures, with hinged door designs.
  • Textured RAL 7035 light beige color aesthetically suitable for residential applications.
  • Available in load-break manually operated version, up to 230A.
  • Available from stock.
  • 24 hour support, call 1-800-800-ASCO
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Brochures and Data Sheets

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Brochures and Data Sheets

Diagrams and Drawings



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Apelectric.com really got my generator out quickly. I placed my order first thing in the morning, and it shipped that afternoon. It was simple to choose the right maintenance kit and battery. The options just popped up at check out. I have already recommended their website to the electrician who installed my generator.

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