Find Transfer Switches By: | Cummins Onan OTEC PowerCommand Automatic Transfer Switch Series: 40 - 100 Amps, open or delayed transitionOTEC|Automatic|3 and 4 Pole|40 - 1000 AMPSPart #:cummins-otec-automatic-transfer-switch OTEC transfer switches are designed for operation and
switching of electrical loads between primary power and
standby generator sets. They are suitable for use in
emergency, legally required, and optional standby
applications. The switches monitor both power sources,
signal generator set startup, automatically transfer
power, and return the load to the primary power source
once a stable utility is available.
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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.
- Advanced transfer switch mechanism
- Unique bidirectional
linear actuator provides virtually friction-free,
constant force, straight-line transfer switch action during
automatic operation.
-
Manual operation
- Manual operating handles,
shielded termination, and over-center type contact
mechanisms allow effective, manual operation, under deenergized
conditions.
-
Positive interlocking
- Mechanical and electrical
interlocking prevent source-to-source connection
through the power or control wiring.
-
Main contacts
- Heavy-duty silver alloy contacts with
separate arcing surfaces and multi-leaf arc chutes are
rated for total system transfer including overload
interruption.
-
Easy service/access
- Plug connections, doormounted
controls, ample access space, and compatible
terminal markings.
- The control is field programmable.
-
Product lines, accessories and services
- Cummins Power Generation offers a wide range of
accessories and services to suit your requirements.
- Warranty and service
- Backed by a comprehensive
warranty and worldwide distributor network.
Specifications
- Voltage rating Transfer switches rated from 40 A through 1000 A are rated up to 600 VAC, 50 or 60 Hz.
-
Arc interruption Multiple leaf arc chutes cool and quench the arcs.
- Barriers prevent interphase flashover.
- Neutral bar A full current-rated neutral bar with lugs is standard on enclosed 3-pole transfer switches.
-
Auxiliary contacts
-
Two contacts (one for each source) are provided for customer use.
- Wired to terminal block for easy
access.
- Rated at 10A continuous and 250 VAC maximum.
-
Operating temperature -22 oF (-30 oC) to 140 oF (60 oC)
-
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 derating
-
Total transfer time (sourceto-
source)
Will not exceed 6 cycles at 60 Hz with normal voltage applied to the actuator and without delayed
transition enabled.
-
Transfer switches are equipped with permanently attached operating handles and quick-break, quickmake
contact mechanisms suitable for manual operation under de-energized conditions.
Residential Use. |
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