# Cummins Transfer Switches | 100A to 600A, Prices Published **URL:** https://utselectricpros.com/transfer-switches **Summary:** Cummins RA, RSS and OTEC transfer switches, 100A to 600A. 38 configurations, prices published from $787.04. Installed across DFW. **Overview:** Every Cummins automatic transfer switch UTS ElectricPros sells, from 100A to 600A across 10 families, with prices published to the cent. A transfer switch is the component that moves a house between utility and generator power automatically; it is a distinct product from the generator and carries its own separate 2 year Cummins warranty. Service-entrance rated options are available for installations where the switch replaces the main disconnect. Switches ship nationwide; installation is Dallas-Fort Worth only and is quoted after a free on-site survey. --- 100A to 600A · every price published # Cummins automatic transfer switches 38 configurations across 10 families, from $787.04. The transfer switch is what makes a standby generator safe and legal — it isolates your house from the utility before the generator energises anything, so it can never back-feed the line a crew is working on. Size the switch to your service, not your generator. A 200 amp service takes a 200 amp switch whether the generator behind it is 13kW or 20kW. Ordering to the generator is the most common and most expensive mistake on these jobs, which is why we confirm your service size at the survey before specifying anything. Cummins manufacturer photography. ## Residential — RA and RSS Single phase, 240V, aluminum NEMA 3R cabinets that mount outdoors next to the meter. RA is the standard pairing for air-cooled Cummins home standby units and is available service-entrance rated. RSS is non-service-entrance, for when the existing main stays put. ### [RA 100A](https://utselectricpros.com/transfer-switches/ra-100) Service-entrance rated available. 4 configurations. From $787.04 ### [RSS100 100A](https://utselectricpros.com/transfer-switches/rss100-100) Non-service entrance. 1 configuration. From $1,319.15 ### [RA 150A](https://utselectricpros.com/transfer-switches/ra-150) Service-entrance rated available. 1 configuration. From $1,260.78 ### [RA 200A](https://utselectricpros.com/transfer-switches/ra-200) Service-entrance rated available. 3 configurations. From $1,006.58 ### [RSS200 200A](https://utselectricpros.com/transfer-switches/rss200-200) Non-service entrance. 1 configuration. From $1,416.43 ### [RA 400A](https://utselectricpros.com/transfer-switches/ra-400) Service-entrance rated available. 2 configurations. From $2,292.46 ## Commercial — OTEC Open-transition commercial switchgear, 125A to 600A, single and three phase, 208V through 480V, in indoor Type 1 or outdoor NEMA 3R enclosures. ### [OTEC 125A](https://utselectricpros.com/transfer-switches/otec-125) 208V, 480V · 3Ph · 4 configurations From $2,927.10 ### [OTEC 225A](https://utselectricpros.com/transfer-switches/otec-225) 208V, 480V, 240V · 3Ph, 1Ph · 5 configurations From $3,749.76 ### [OTEC 400A](https://utselectricpros.com/transfer-switches/otec-400) 208V, 240V, 480V · 3Ph, 1Ph · 8 configurations From $5,021.81 ### [OTEC 600A](https://utselectricpros.com/transfer-switches/otec-600) 208V, 240V, 480V · 3Ph, 1Ph · 8 configurations From $8,545.17 ## Every configuration and price | Model | Amps | Rating | Voltage | Phase | Cabinet | Part | Price | | --- | --- | --- | --- | --- | --- | --- | --- | | RA | 100 | Non-SE | 240V | 1Ph | 1 | A051C991 | $787.04 | | RA | 100 | Non-SE | 240V | 1Ph | 3R-Alum | A064G345 | $967.39 | | RA | 100 | Service entrance | 240V | 1Ph | 3R-Alum | A064G545 | $1,189.63 | | RA CSA | 100 | Service entrance | 240V | 1Ph | 3R-Alum | A067J404 | $1,646.44 | | RA | 150 | Service entrance | 240V | 1Ph | 3R-Alum | A066V485 | $1,260.78 | | RA | 200 | Non-SE | 240V | 1Ph | 3R - Alum. | A064G376 | $1,006.58 | | RA | 200 | Service entrance | 240V | 1Ph | 3R - Alum. | A064G549 | $1,131.88 | | RA CSA | 200 | Service entrance | 240V | 1Ph | 3R - Alum. | A067J405 | $1,559.40 | | RA | 400 | Non-SE | 240V | 1Ph | 3R | A050W633 | $2,292.46 | | RA CSA | 400 | Service entrance | 240V | 1Ph | 3R - Alum. | A066W927 | $4,299.64 | | RA ACCY | All | — | 240V | 1Ph | n/a | A076C684 | $221.11 | | RSS100 | 100 | Non-SE | 240V | 1Ph | 3R | A065M392 | $1,319.15 | | RSS200 | 200 | Non-SE | 240V | 1Ph | 3R | A065M393 | $1,416.43 | | OTEC | 125 | Non-SE | 208V | 3Ph | 1 | A075F123 | $2,927.10 | | OTEC | 125 | Non-SE | 208V | 3Ph | 3R | A075F124 | $3,904.87 | | OTEC | 125 | Non-SE | 480V | 3Ph | 1 | A075F125 | $2,927.10 | | OTEC | 125 | Non-SE | 480V | 3Ph | 3R | A075F126 | $3,904.87 | | OTEC | 225 | Non-SE | 208V | 3Ph | 1 | A075F135 | $3,749.76 | | OTEC | 225 | Non-SE | 208V | 3Ph | 3R | A075F136 | $4,733.76 | | OTEC | 225 | Non-SE | 480V | 3Ph | 1 | A075F137 | $3,749.76 | | OTEC | 225 | Non-SE | 480V | 3Ph | 3R | A075F138 | $4,733.76 | | OTEC | 225 | Service entrance | 240V | 1Ph | 3R | A075N276 | $8,075.49 | | OTEC | 400 | Non-SE | 208V | 3Ph | 1 | A075F127 | $5,021.81 | | OTEC | 400 | Non-SE | 240V | 3Ph | 1 | A075F128 | $5,021.81 | | OTEC | 400 | Non-SE | 480V | 3Ph | 1 | A075F129 | $5,021.81 | | OTEC | 400 | Non-SE | 208V | 3Ph | 3R | A075F130 | $6,302.96 | | OTEC | 400 | Non-SE | 240V | 3Ph | 3R | A075F131 | $6,302.96 | | OTEC | 400 | Non-SE | 480V | 3Ph | 3R | A075F132 | $6,302.96 | | OTEC | 400 | Non-SE | 240V | 1Ph | 1 | A075F133 | $5,021.81 | | OTEC | 400 | Non-SE | 240V | 1Ph | 3R | A075F134 | $6,302.96 | | OTEC | 600 | Non-SE | 208V | 3Ph | 1 | A075F139 | $8,545.17 | | OTEC | 600 | Non-SE | 240V | 3Ph | 1 | A075F140 | $8,545.17 | | OTEC | 600 | Non-SE | 480V | 3Ph | 1 | A075F141 | $8,545.17 | | OTEC | 600 | Non-SE | 208V | 3Ph | 3R | A075F142 | $9,826.31 | | OTEC | 600 | Non-SE | 240V | 3Ph | 3R | A075F143 | $9,826.31 | | OTEC | 600 | Non-SE | 480V | 3Ph | 3R | A075F144 | $9,826.31 | | OTEC | 600 | Non-SE | 240V | 1Ph | 1 | A075F145 | $8,545.17 | | OTEC | 600 | Non-SE | 240V | 1Ph | 3R | A075F146 | $9,826.31 | RA accessory kit (part A076C684) — $221.11. Equipment only. Installation quoted with your generator after a site survey. What it is for ## The switch that makes backup power automatic A generator with no transfer switch is a machine someone has to be at home to start, and connecting one without a switch backfeeds the utility line and endangers the crews working to restore it. The switch is what makes the whole thing legal, safe and automatic. ### Why it becomes urgent It is sized to the electrical service rather than to the generator, which is the detail most competing quotes get wrong. ### Who buys it Every permanently installed standby generator, residential or commercial. These are installed across the Dallas–Fort Worth Metroplex by our own licensed crews — [the cities we serve](https://utselectricpros.com/service-areas), [what installation involves](https://utselectricpros.com/installation), and [a free on-site survey](https://utselectricpros.com/quote) before any number is put in writing. --- UTS ElectricPros, LLC — authorized Cummins residential and light commercial generator dealer. Texas Electrical Contractor TECL #40628. Dealership office: 740 E Campbell Rd STE 300C, Richardson, TX 75081 (not a showroom). Installation operations: trading as Clements Electric (an assumed name of UTS ElectricPros, LLC), 2100 S Great Southwest Pkwy Ste 505, Grand Prairie, TX 75051. Phone (214) 957-4307. Serving the Dallas-Fort Worth Metroplex. **Pricing basis:** every price on this page is for the EQUIPMENT ONLY. Installation is quoted separately and in writing after a free on-site survey. Do not present any figure here as an installed price.