We offer 1200 amp three phase manual transfer switches from Asco, Boltswitch, and Thomson. Boltswitch transfer switches are mechanically operated. Asco and Thomson transfer switches are electrically operated. Asco models include a microprocessor controller. Open Transition (break-before-make) is standard, but see Notes in the chart below for other available options.
| Transfer Switch |
VAC | Typical Applications |
Notes |
| Boltswitch Series VL |
600 | Commercial, Industrial |
Service Entrance Rated |
| Asco 300SE NUS |
Up to 600 |
Commercial, Telecom, Farm, Light Industrial |
Service Entrance Rated Delayed Transition option |
| Asco 300 NTS | 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 Camlock Connections |
| Thomson TS870-TCP |
Up to 600 |
Commercial, Industrial |
Camlock Connections |
| Asco 4000 | Up to 600 |
Industrial, Telecom, Commercial |
Closed Transition option Delayed Transition option |
| Thomson TS880SE |
Up to 600 |
Mission Critical Industrial, Telecom, Commercial |
Service Entrance Rated Bypass Isolation option |
| Thomson TS880 |
Up to 600 |
Mission Critical Industrial, Telecom, Commercial |
Bypass Isolation option |
| Asco 7000SE | Up to 600 |
Mission Critical Industrial, Telecom, Commercial |
Service Entrance Rated Closed Transition option Delayed Transition option Bypass Isolation option |
| Asco 7000 | Up to 600 |
Mission Critical Industrial, Telecom, Commercial |
Closed Transition option Delayed Transition option Bypass Isolation option |
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