ASCO 185 Series ATS | Automatic Transfer Switches | Portland, OR https://powersystemsplusinc.com/manufacturers/asco/asco-185-series-automatic-transfer-switches/ Generator Service, Sales, Parts, & Installation- Since 1999 Wed, 11 Feb 2026 00:14:41 +0000 en-US hourly 1 https://wordpress.org/?v=6.9.4 https://powersystemsplusinc.com/wp-content/uploads/2018/01/logofixed2-50x50.png ASCO 185 Series ATS | Automatic Transfer Switches | Portland, OR https://powersystemsplusinc.com/manufacturers/asco/asco-185-series-automatic-transfer-switches/ 32 32 ASCO 185 Series Automatic Transfer Switch | SERVICE ENTRANCE RATED | 2 Wire Start | 200A | NEMA 3R https://powersystemsplusinc.com/product/asco-185-series-automatic-transfer-switch-service-entrance-rated-2-wire-start-200a-nema-3r/?utm_source=rss&utm_medium=rss&utm_campaign=asco-185-series-automatic-transfer-switch-service-entrance-rated-2-wire-start-200a-nema-3r Tue, 23 Feb 2021 20:57:43 +0000 https://powersystemsplusinc.com/product/asco-185-series-automatic-transfer-switch-service-entrance-rated-2-wire-start-200a-nema-3r/ ASCO SE Rated 200 Amp ATS with Nema 3R Enclosure

The ASCO 185 Series 200A Automatic Transfer Switch is a service entrance rated device designed for reliable automatic power transfer in residential and light commercial standby systems. It supports all 2-wire start generators and features a rugged NEMA 3R enclosure for outdoor installation.

  • Rated for 200 amps to handle medium load demands

  • Service entrance rated with integrated main circuit breaker for code compliance

  • Compatible with all 2-wire start generator control systems

  • Weather-resistant NEMA 3R enclosure protects against rain and dust

  • Automatic weekly exercise cycle ensures generator readiness

Ready to upgrade your backup power system? Request a quote online today for pricing and shipping details.

The post ASCO 185 Series Automatic Transfer Switch | SERVICE ENTRANCE RATED | 2 Wire Start | 200A | NEMA 3R appeared first on Power Systems Plus.

]]> ASCO 185 Series 200 Amp Automatic Transfer Switch For Sale

The ASCO 185 Series 200A Automatic Transfer Switch (ATS) is a service entrance rated transfer switch engineered for reliable load transfer in residential and light commercial standby power applications. Designed for compatibility with all 2-wire start generator control systems, this ATS monitors utility power and automatically initiates generator start upon power failure. It transfers the load to the generator, then reverts back to utility power once restored, followed by a generator cool-down cycle.

Featuring a NEMA 3R-rated enclosure, the switch is suitable for outdoor installation and provides protection against rain, sleet, and dust. The integrated main circuit breaker meets service entrance requirements, streamlining compliance with electrical codes and reducing installation complexity.

Technical Highlights:

  • 200 Amp continuous current rating for medium load applications

  • Service entrance rated with built-in main line circuit breaker

  • Compatible with all 2-wire start generator control systems

  • NEMA 3R outdoor enclosure for environmental protection

  • Automatic weekly exercise cycle configurable under load or no load

  • Automatic transfer and retransfer with generator cool-down function

Ready to purchase your ASCO 185 Series 200A ATS? Request a quote online for detailed pricing and shipping information.

The post ASCO 185 Series Automatic Transfer Switch | SERVICE ENTRANCE RATED | 2 Wire Start | 200A | NEMA 3R appeared first on Power Systems Plus.

]]> ASCO 185 Series Automatic Transfer Switch | SERVICE ENTRANCE RATED | 2 Wire Start | 400A | NEMA 3R https://powersystemsplusinc.com/product/asco-185-series-automatic-transfer-switch-service-entrance-rated-2-wire-start-400a-nema-3r/?utm_source=rss&utm_medium=rss&utm_campaign=asco-185-series-automatic-transfer-switch-service-entrance-rated-2-wire-start-400a-nema-3r Tue, 23 Feb 2021 20:57:43 +0000 https://powersystemsplusinc.com/product/asco-185-series-automatic-transfer-switch-service-entrance-rated-2-wire-start-400a-nema-3r/ 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.

The post ASCO 185 Series Automatic Transfer Switch | SERVICE ENTRANCE RATED | 2 Wire Start | 400A | NEMA 3R appeared first on Power Systems Plus.

]]> Rating SE Rated, Non-SE Rated Amperage 400 Amps Voltage Output 240V Current Limiting Fuses 200kA Dimensions (WxDxH) 22″ x 7.5″ x 45″

 

The post ASCO 185 Series Automatic Transfer Switch | SERVICE ENTRANCE RATED | 2 Wire Start | 400A | NEMA 3R appeared first on Power Systems Plus.

]]> ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 100A | NEMA 1 https://powersystemsplusinc.com/product/asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-100a-nema-1/?utm_source=rss&utm_medium=rss&utm_campaign=asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-100a-nema-1 Tue, 23 Feb 2021 20:57:43 +0000 https://powersystemsplusinc.com/product/asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-100a-nema-1/ The ASCO 185 Series automatic transfer switch (ATS) are 2-wire control switches that are compatible with all 2-wire start systems from all manufacturers. The switch monitors incoming utility power. When the utility power fails it starts the generator and transfer the emergency load onto the generator. After the utility power is restored it will transfer the load back to the utility source, cool down the generator and then return to a standby mode. The ATS has an exercise circuit that tests the generator system every week. The automatic test feature can be set under load or under no load.

The post ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 100A | NEMA 1 appeared first on Power Systems Plus.

]]> Rating SE Rated, Non-SE Rated Amperage 100 Amps Voltage Output 240V Current Limiting Fuses 200kA Dimensions (WxDxH) 14.25″ x 8.25″ x 24″

 

The post ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 100A | NEMA 1 appeared first on Power Systems Plus.

]]> ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 200A | NEMA 1 https://powersystemsplusinc.com/product/asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-200a-nema-1/?utm_source=rss&utm_medium=rss&utm_campaign=asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-200a-nema-1 Tue, 23 Feb 2021 20:57:43 +0000 https://powersystemsplusinc.com/product/asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-200a-nema-1/ The ASCO 185 Series automatic transfer switch (ATS) are 2-wire control switches that are compatible with all 2-wire start systems from all manufacturers. The switch monitors incoming utility power. When the utility power fails it starts the generator and transfer the emergency load onto the generator. After the utility power is restored it will transfer the load back to the utility source, cool down the generator and then return to a standby mode. The ATS has an exercise circuit that tests the generator system every week. The automatic test feature can be set under load or under no load.

The post ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 200A | NEMA 1 appeared first on Power Systems Plus.

]]> Rating SE Rated, Non-SE Rated Amperage 200 Amps Voltage Output 240V Current Limiting Fuses 200kA Dimensions (WxDxH) 14.25″ x 8.25″ x 24″

 

The post ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 200A | NEMA 1 appeared first on Power Systems Plus.

]]> ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 400A | NEMA 1 https://powersystemsplusinc.com/product/asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-400a-nema-1/?utm_source=rss&utm_medium=rss&utm_campaign=asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-400a-nema-1 Tue, 23 Feb 2021 20:57:43 +0000 https://powersystemsplusinc.com/product/asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-400a-nema-1/ The ASCO 185 Series automatic transfer switch (ATS) are 2-wire control switches that are compatible with all 2-wire start systems from all manufacturers. The switch monitors incoming utility power. When the utility power fails it starts the generator and transfer the emergency load onto the generator. After the utility power is restored it will transfer the load back to the utility source, cool down the generator and then return to a standby mode. The ATS has an exercise circuit that tests the generator system every week. The automatic test feature can be set under load or under no load.

The post ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 400A | NEMA 1 appeared first on Power Systems Plus.

]]> Rating SE Rated, Non-SE Rated Amperage 400 Amps Voltage Output 240V Current Limiting Fuses 200kA Dimensions (WxDxH) 22″ x 7.5″ x 45″

 

The post ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 400A | NEMA 1 appeared first on Power Systems Plus.

]]> ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 100A | NEMA 3R https://powersystemsplusinc.com/product/asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-100a-nema-3r/?utm_source=rss&utm_medium=rss&utm_campaign=asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-100a-nema-3r Tue, 23 Feb 2021 20:57:43 +0000 https://powersystemsplusinc.com/product/asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-100a-nema-3r/ The ASCO 185 Series automatic transfer switch (ATS) are 2-wire control switches that are compatible with all 2-wire start systems from all manufacturers. The switch monitors incoming utility power. When the utility power fails it starts the generator and transfer the emergency load onto the generator. After the utility power is restored it will transfer the load back to the utility source, cool down the generator and then return to a standby mode. The ATS has an exercise circuit that tests the generator system every week. The automatic test feature can be set under load or under no load.

The post ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 100A | NEMA 3R appeared first on Power Systems Plus.

]]> Rating SE Rated, Non-SE Rated Amperage 100 Amps Voltage Output 240V Current Limiting Fuses 200kA Dimensions (WxDxH) 14.25″ x 8.25″ x 24″

 

The post ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 100A | NEMA 3R appeared first on Power Systems Plus.

]]> ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 200A | NEMA 3R https://powersystemsplusinc.com/product/asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-200a-nema-3r/?utm_source=rss&utm_medium=rss&utm_campaign=asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-200a-nema-3r Tue, 23 Feb 2021 20:57:43 +0000 https://powersystemsplusinc.com/product/asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-200a-nema-3r/ The ASCO 185 Series automatic transfer switch (ATS) are 2-wire control switches that are compatible with all 2-wire start systems from all manufacturers. The switch monitors incoming utility power. When the utility power fails it starts the generator and transfer the emergency load onto the generator. After the utility power is restored it will transfer the load back to the utility source, cool down the generator and then return to a standby mode. The ATS has an exercise circuit that tests the generator system every week. The automatic test feature can be set under load or under no load.

The post ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 200A | NEMA 3R appeared first on Power Systems Plus.

]]> Rating SE Rated, Non-SE Rated Amperage 200 Amps Voltage Output 240V Current Limiting Fuses 200kA Dimensions (WxDxH) 14.25″ x 8.25″ x 24″

 

The post ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 200A | NEMA 3R appeared first on Power Systems Plus.

]]> ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 400A | NEMA 3R https://powersystemsplusinc.com/product/asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-400a-nema-3r/?utm_source=rss&utm_medium=rss&utm_campaign=asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-400a-nema-3r Tue, 23 Feb 2021 20:57:43 +0000 https://powersystemsplusinc.com/product/asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-400a-nema-3r/ The ASCO 185 Series automatic transfer switch (ATS) are 2-wire control switches that are compatible with all 2-wire start systems from all manufacturers. The switch monitors incoming utility power. When the utility power fails it starts the generator and transfer the emergency load onto the generator. After the utility power is restored it will transfer the load back to the utility source, cool down the generator and then return to a standby mode. The ATS has an exercise circuit that tests the generator system every week. The automatic test feature can be set under load or under no load.

The post ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 400A | NEMA 3R appeared first on Power Systems Plus.

]]> Rating SE Rated, Non-SE Rated Amperage 400 Amps Voltage Output 240V Current Limiting Fuses 200kA Dimensions (WxDxH) 22″ x 7.5″ x 45″

 

The post ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 400A | NEMA 3R appeared first on Power Systems Plus.

]]> ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 230A | NEMA 1 https://powersystemsplusinc.com/product/asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-230a-nema-1/?utm_source=rss&utm_medium=rss&utm_campaign=asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-230a-nema-1 Tue, 23 Feb 2021 20:57:43 +0000 https://powersystemsplusinc.com/product/asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-230a-nema-1/ The ASCO 185 Series automatic transfer switch (ATS) are 2-wire control switches that are compatible with all 2-wire start systems from all manufacturers. The switch monitors incoming utility power. When the utility power fails it starts the generator and transfer the emergency load onto the generator. After the utility power is restored it will transfer the load back to the utility source, cool down the generator and then return to a standby mode. The ATS has an exercise circuit that tests the generator system every week. The automatic test feature can be set under load or under no load.

The post ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 230A | NEMA 1 appeared first on Power Systems Plus.

]]> Amperage 230 Amps Voltage Output 115-480V Frame D Current Limiting Fuses 480V Max. 100kA Dimensions (WxHxD) NEMA 1: 18″ x 48″ x 13″
NEMA 3R, 4, 12: 18″ x 50.5″ x 14.33″

 

The post ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 230A | NEMA 1 appeared first on Power Systems Plus.

]]> ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 230A | NEMA 3R https://powersystemsplusinc.com/product/asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-230a-nema-3r/?utm_source=rss&utm_medium=rss&utm_campaign=asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-230a-nema-3r Tue, 23 Feb 2021 20:57:43 +0000 https://powersystemsplusinc.com/product/asco-185-series-automatic-transfer-switch-non-service-entrance-rated-2-wire-start-230a-nema-3r/ The ASCO 185 Series automatic transfer switch (ATS) are 2-wire control switches that are compatible with all 2-wire start systems from all manufacturers. The switch monitors incoming utility power. When the utility power fails it starts the generator and transfer the emergency load onto the generator. After the utility power is restored it will transfer the load back to the utility source, cool down the generator and then return to a standby mode. The ATS has an exercise circuit that tests the generator system every week. The automatic test feature can be set under load or under no load.

The post ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 230A | NEMA 3R appeared first on Power Systems Plus.

]]> Amperage 230 Amps Voltage Output 115-480V Frame D Current Limiting Fuses 480V Max. 100kA Dimensions (WxHxD) NEMA 1: 18″ x 48″ x 13″
NEMA 3R, 4, 12: 18″ x 50.5″ x 14.33″

 

The post ASCO 185 Series Automatic Transfer Switch | NON-SERVICE ENTRANCE RATED | 2 Wire Start | 230A | NEMA 3R appeared first on Power Systems Plus.

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