We offer 250 amp three phase automatic transfer switches from Asco and Thomson. All models include a microprocessor controller. Open Transition (break-before-make) is standard, but see Notes in the chart below for other available options. Some Asco models are rated 260A as marked.
| Transfer Switch |
VAC | Suggested Application |
Notes |
| Thomson TS840SE |
120/208 or 120/240 |
Farm, Telecom, Light Industrial |
Service Entrance Rated Outdoor Enclosure only |
| Thomson TS840 |
120/208 or 120/240 |
Farm, Telecom, Light Industrial |
Outdoor Enclosure only |
| Asco 300SE | Up to 600 |
Commercial, Telecom, Farm, Light Industrial |
Service Entrance Rated Delayed Transition option |
| Asco 300 (260A) |
Up to 600 |
Commercial, Telecom, Farm, Light Industrial |
Delayed Transition option |
| Thomson TS870SE |
Up to 600 |
Commercial Industrial, |
Service Entrance Rated |
| Thomson TS870 |
Up to 600 |
Commercial, Industrial |
|
| Thomson TS870SE-TCP |
Up to 600 |
Commercial, Industrial |
Service Entrance Rated Cam-lock Connections |
| Thomson TS870-TCP |
Up to 600 |
Commercial, Industrial |
Cam-lock Connections |
| Asco 4000 (260A) |
Up to 600 |
Industrial, Telecom, Commercial |
Delayed Transition option Closed Transition option |
| Asco 7000SE | Up to 600 |
Mission Critical Industrial, Telecom, Commercial |
Service Entrance Rated Delayed Transition option Closed Transition option Bypass Isolation option |
| Asco 7000 (260A) |
Up to 600 |
Mission Critical Industrial, Telecom, Commercial |
Delayed Transition option Closed Transition option Bypass Isolation option |
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