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Manual 1Ph 1200A

We offer 1200 amp single 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
120/240 Commercial,
Industrial
Service Entry Rated
Thomson
TS870
120/240 Commercial,
Industrial
 Thomson
TS870SE-TCP
120/240  Commercial,
Industrial
Service Entrance Rated
Cam-lock Connections
Thomson
TS870-TCP
120/240  Commercial,
Industrial
Cam-lock Connections
Asco 4000 Up to
600
Industrial, Telecom,
Commercial
Closed Transition option
Delayed Transition 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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