Find Transfer Switches By: | Cummins Onan OHPC PowerCommand Transfer Switch Series: 125 - 800 Amps, open or delayed transitionOHPC|Service Entrance|2, 3, & 4 Pole|125 - 800 AMPPart #:cummins-ohpc-automatic-transfer-switch The Cummins Power Generation Series OHPC
PowerCommandŽ automatic transfer switch monitors the
primary power source, signals the generator to start upon
loss or destabilization of utility power and then
automatically transfers the load to the generator. Once
the utility power source becomes available and stable,
the OHPC will return the load to the primary source. Need More info?
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- PowerCommandŽ control
- A standard, fully featured
microprocessor-based control.
- Software-enabled
features, settings, and adjustments are available for ease
of setup and accuracy.
- Optically isolated logic inputs and
high isolation transformers for AC power inputs provide
high voltage surge protection.
-
Selectable transfer method
- The switch
automatically transfers the load back either by using the
fast transfer or by using the delayed transition mode of
operation.
- When operated in the sync-check function
mode, the controller can adjust the frequency of the
generator by 0.5 Hz.
- This avoids the long transfer times
often associated with in phase monitor-based products.
-
Manual operation
- Manual operating handles and
stored energy transfer mechanism allow effective,
manual operation of the OHPC.
- An external operator is
available as an option for dead front manual operation.
-
Manual operation of the OHPC can only be performed in
the open transition transfer mode.
-
Main contacts
- Heavy-duty silver allow contacts and
multi-leaf arc chutes are rated for total system transfer.
-
Easy service/access
- Plug connections, doormounted
controls, ample access space, and compatible
terminal markings allow for easy service.
-
Product lines, accessories and services
-
Cummins Power Generation offers a wide range of
accessories and services to suit your requirements.
-
Main contacts - Heavy-duty silver allow contacts and
multi-leaf are chutes are rated for total system transfer.
-
Warranty and service - Backed by a comprehensive warranty and worldwide distributor network.
Specifications
- Voltage rating Transfer switches up to 600 VAC.
-
Amperage rating Transfer switches are rated from 125 to 800 amperes.
-
Frequency rating Transfer switches are rated to operate at 50 or 60 Hertz.
-
Neutral bar A full current-rated neutral bar with lugs is standard on enclosed 2 and 3-pole transfer switches.
-
Auxiliary contacts
-
Two switch position contacts rated at 10A continuous and 250 VAC maximum (one for each source) are
provided for customer use.
-
Operating temperature -40 °F (-40 °C) to 140 °F (60 °C)
-
Storage temperature -40 °F (-40 °C) to 140 °F (60 °C)
-
Humidity Up to 95% relative, non-condensing
-
Altitude Up to 10,000 ft (3,000 m) without de-rating
Surge withstand ratings
-
Control system surge-tested for Location Category B3, per IEEE C62.41 and IEEE C62.45.
- Also meets
European standard EN 61000-4-5.
-
Total transfer time (sourceto-
source)
- Will not exceed 6 cycles at 60 Hz when operated as an in phase monitor based open transition transfer switch
Residential Use. |
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