Page last updated Jun 3, 2022 @ 03:46pm

Automatic Transfer Switches
Cummins 3 phase


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These switches are for use with 3 phase (or single phase) automatic standby generators of many standard voltages and include many adjustments and features not available on the single phase switches.  These should be installed by a qualified electrician or electrical contractor.  Local permits may be required.
Remember that the transfer switch current rating must be at least high enough to carry full rated load of
your generator.  It also must match or exceed the current rating of the upstream breaker or fuse protection
that will supply normal utility power.  Most jurisdictions do not require the transfer device to switch the
neutral.  Therefore these prices do not include the extra pole for that purpose.  If your local codes or
application requires the neutral to be switched contact us for a special quote.  We can also provide
  custom enclosures to house these switches if you have harsh environments.

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Works with

$ US

OTEC125 Automatic Transfer Switch -Cummins 125A with exerciser and charger any automatic standby generator with 2 wire start control

optional adders for:
outdoor 3R enclosure
single phase 2 pole
service entrance rated
5 year warranty
OTEC225 Automatic Transfer Switch -Cummins 225A with PowerCommand control $2,403
OTEC400 Automatic Transfer Switch -Cummins 400A with PowerCommand control $3,086
OTEC600 Automatic Transfer Switch -Cummins 600A with PowerCommand control $5,836




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