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ASCO 300 Automatic Transfer Switch – 3 phase, 4 pole, Nema 3R, SE rated

ASCO 300 Automatic Transfer Switch – 3 phase, 4 pole, Nema 3R, SE rated

$12,915.00 $12,199.00

In stock
Item # SE600J-V04-SE600J4-SEJNEMA3RS Brand: Winco

$12,915.00 $12,199.00

+ Save an additional $100 with coupon 'ASCOSAVINGS'

For commercial or light industrial use.

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SKU: SE600J-V04-SE600J4-SEJNEMA3RS Brand:
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  • Description


Automatically transfer critical loads in the event of a power outage with the ASCO SERIES 300. Rugged construction and proven performance assure the user of many years of reliability.​​


  • The SERIES 300 is listed to UL 1008 standard for total system loadsand CSA standard C22.2 for automatic transfer switches.
  • Meets NFPA 110 for Emergency and Standby Power Systems.
  • Easy-to-navigate 128×64 graphical LCD display with keypad provides LED indicators for switch position, source availability, not in auto mode, and alert condition.​


  • 600 amps
  • 120-208V, 3PH
  • 4 pole
  • Switched Neutral
  • Service entrance rated
  • NEMA 3R enlcosure, J frame, Secure UV SE
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