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Manual 3Ph 400A

We offer 400 amp three phase manual transfer switches from Asco, Boltswitch, Ronk, and Thomson. Boltswitch and Ronk models are mechanically operated. Asco and Thomson models are electrically operated. Asco transfer switches 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
Ronk 7816 120/208,
120/240, 240
Home, Commercial,
Farm, Light Industrial
Center Off Position
Ronk 7806 120/208,
120/240, 240
Home, Commercial,
Farm, Light Industrial
 
Ronk 7808-6 600 Farm, Commercial,
Light Industrial
 
Ronk 9806 120/208,
120/240, 240
Farm Pole Top
Ronk 9871 120/208,
120/240, 240
Farm Pole Top
3-200:5 amp metering CT
Ronk
9808-6
600 Farm Pole Top
Boltswitch
Series T
Up to
240 or 600
Commercial,
Industrial
Service Entrance Rated
Use w/ Permanent Gen
Boltswitch
Series GT
Up to
240 or 600
Commercial,
Industrial
Service Entrance Rated
Use w/ Portable Gen
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
Cam-lock Connections
Thomson
TS870-TCP
Up to 600  Commercial,
Industrial
Cam-lock Connections
Asco 4000 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 Up to 600  Mission Critical
Industrial, Telecom,
Commercial
Delayed Transition option
Closed Transition option
Bypass Isolation option

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