Product categories

An ASCO 185 Series ATS
ASCO Power Technologies

ASCO 185 Series Automatic Transfer Switch | SERVICE ENTRANCE RATED | 2 Wire Start | 400A | NEMA 3R

$8,250.00

ASCO 400 Amp Automatic Transfer Switch Nema 3R

The ASCO 185 Series 400A Automatic Transfer Switch is a service entrance rated, outdoor-ready solution designed for larger residential and light commercial backup power systems. Compatible with any 2-wire start generator, it ensures automatic, seamless transfer between utility and generator power during outages—keeping critical systems running without interruption.

An ATS like this is essential for high-demand setups, offering both safety and convenience when utility power fails.

Why choose this 400A Service Entrance Rated Transfer Switch?

  • Handles higher electrical loads for large homes or commercial buildings

  • Service entrance rated—includes main circuit breaker for code compliance

  • NEMA 3R enclosure for durable outdoor installation

  • Works with all 2-wire start standby generators

  • Supports automatic weekly generator exercise cycles

Ready to purchase an ASCO 185 Series 400A ATS? Request a quote online for accurate pricing and shipping.

Available on backorder

SKU: 97714-378 Category: Tags: , ,
Rating SE Rated, Non-SE Rated
Amperage 400 Amps
Voltage Output 240V
Current Limiting Fuses 200kA
Dimensions (WxDxH) 22″ x 7.5″ x 45″

 

Weight 150 lbs

Brand

ASCO 185 Series Automatic Transfer Switches for Light Commercial Use

An ASCO 185 Series automatic transfer switch for seamless power managementThe ASCO 185 Series automatic transfer switches are ideal for residential and light commercial standby power. Available in 100A–400A, the 185 series feature a compact size, UL listing, and service entrance-rated options. If you're still manually transferring power during an outage, upgrading to an ASCO 185 ATS improves reliability and restores power automatically when it matters most. ATS Installation in Oregon | ASCO 300 Series

ASCO Power Technologies

ASCO Power Technologies ASCO, a trusted leader in power management, provides reliable automatic transfer switches that keep power flowing during outages. From property owners protecting essential appliances to businesses maintaining critical operations, ASCO ATS units deliver safe, seamless transitions between utility and backup power. Browse our ASCO ATS selection and schedule a free ATS evaluation today! 185 Series | 300 series | ATS Installation in Portland
ASCO Power Technologies

Related products

Shopping Cart
Scroll to Top