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Model # A040C975
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MSRP: $2,109.00
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Cummins Onan OTEC 400 Amp 240V Single Phase Automatic Transfer Switch Nema 3R | A040C975

  • Microprocessor control - Easy-to-use, standard control
  • Programmed transition - Open transition timing can be adjusted to completely disconnect the load from both sources for a programmed time period
  • Advanced transfer switch mechanism - Unique bi-directional 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 contact mechanisms
  • 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 multi-leaf arc chutes are rated for 100% load interruption
  • Easy service/access - Single-plug harness connection and compatible terminal markings simplify servicing
  • Ships Free with a Generator or $250.00 S&H Fee Will Be Added

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Details and Specifications


Cummins Onan OTEC 400 Amp 240V Single Phase Automatic Transfer Switch Nema 3R | A040C975

OTEC transfer switches are designed for operation and switching of electrical loads between primary power and standby generator sets.  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.

Features:
Microprocessor Control:  Easy-to-use, standard control, LEDs display transfer switch status, push buttons allow operator to activate control test, exercise timing and transfer mode.
Programmed Transition:  Open transition timing can be adjusted to completely disconnect the load from both sources for a programmed time period.
Positive Interlocking:  Mechanical and electrical interlocking prevent source-to-source connection through the power or control wiring.
Easy Service/Access: Single-plug harness connection and compatible terminal markings simplify servicing.  Access space is ample.  Door-mounted controls are field-programmable, no tool is required.

Compatible With: Cummins Onan Connect Series 240V Single Phase

UL 1008 Listed

Ships Free with a Generator or $250.00 S&H Fee Will Be Added

Product Specifications

Model
Model Number A040C975
Manufacturer Cummins Onan
Made In USA Yes
Voltage 120/240V Single Phase
Enclosure Nema 3R Indoor/Outdoor Rated
UL Listed Yes
Product Weight 275 lbs
Dimensions (Inches) 59H x 27.5W x 16.5D
Transfer Switch
Transfer Switch Model OTEC
Transfer Switch Amps 400 Amps
Transfer Switch Circuits None
ATS Poles 2 Pole
Warranty Information
Consumer Warranty 1 Year Limited
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Shipping Terms

All generators include 24 hour delivery notification and residential delivery. Liftgate service is available on all air-cooled generators and some liquid cooled units – Please call for verification. Free Shipping is curbside service only. Curbside service means the freight company will deliver to your address and lower your generator to the ground. The freight company will not back down driveways, place a generator in a building or where it is being installed. You are responsible for arranging the movement and setting of the generator.

Some restrictions apply to "Free Shipping" you may either view our
Shipping Information page or contact us for details.