Asco 300 Series 1600 Amp Automatic Transfer Switch - 4 Pole

300 Series|Automatic|4 Pole|1600 AMP

Part #:Asco-1600AMP-4Pole

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Cable entrance plates are also standard on the 1600 and 2000 amp units to install optional side-mounted pull boxes for additional cable bending space.

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  • The SERIES 300 is listed to UL 1008 standard for Transfer Switch Equipment and CSA standard C22.2 for automatic transfer switches.
  • Meets NFPA 110 for Emergency and Standby Power Systems and the National Electrical Code (NEC) Articles 700, 701 and 702.
  • 30 through 3000 amps in a compact design.
  • Available to 600 VAC, single or three phase.
  • True double-throw operation: The single solenoid design is inherently inter locked and prevents contacts from stopping between sources or from being in contact with both sources at the same time.




  • The ATS shall be furnished in a NEMA type 1 enclosure unless otherwise shown on the plans.
  • Provide strip heater with thermostat for Type 3R enclosure requirements.
  • Controller shall be flush-mounted display with LED indicators for switch position and source acceptability.
  • It shall also include test and time delay bypass switches.
  • Voltage and Frequency Sensing
  • The voltage of each phase of the normal source shall be monitored
  • Pickup adjustable to 95% of nominal and dropout adjustable from 70% to 90% of pickup setting.
  • Single-phase voltage and frequency sensing of the emergency source shall be provided.
  • An adjustable time delay provided to override momentary normal source outages
  • Delays all transfer and engine starting signals.
  • An adjustable time delay provided on transfer to emergency
  • Adjustable from 0 to 5 minutes for controlled timing of transfer of loads to emergency.
  • A generator stabilization time delay shall be provided after transfer to emergency.
  • An adjustable time delay shall be provided on retransfer to normal, adjustable to 30 minutes.
  • Time delay shall be automatically bypassed if emergency source fails and normal source is acceptable.
  • A 5-minute cooldown time delay shall be provided on shutdown of engine generator.
  • All adjustable time delays shall be field adjustable without the use of special tools.
Telecom, Agriculture,Municipal,Commercial /Retail, Light Industrial

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