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Allen Bradley 140U MCB 140UT-D7D3-C20

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140UT-D7D3-C20

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The 140UT-D7D3-C20 is a circuit breaker from Allen Bradley's 140U MCB series. It features a three-pole configuration and provides reliable branch circuit protection, with a breaking capacity of 65 kA and a rated current of 8A.

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Ships from Raleigh, NC
2 Year DO Supply Warranty
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 140UT-D7D3-C20

ManufacturerAllen Bradley
Product TypeCircuit Breaker
Product Line140U MCB
Part Number140UT-D7D3-C20
Weight0.50 lbs (0.23 kg)
UPC191326563857
Poles3-pole
Breaking Capacity65 kA
Voltage Rating480Y/277 VAC
Frequency50/60 Hz
Trip TypeThermal-magnetic/Current limiting
Rated Current8A
Curve TypeB-curve
MountingDIN-rail
Terminal TypeScrew terminals
ApplicationBranch circuit protection
ConstructionOpen style
Adjustment MethodFixed
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The Allen Bradley 140UT-D7D3-C20 circuit breaker is designed for efficient performance and safety in electrical systems. This device is structured as a 3-pole breaker with an impressive breaking capacity of 65 kA, making it suitable for various high-load applications. Its voltage rating of 480Y/277 VAC allows for versatility in installations, supporting both 50 Hz and 60 Hz operational frequencies.

This circuit breaker features a thermal-magnetic trip mechanism that enhances its ability to protect against overloads and short circuits. It has a rated current capacity of 8A and follows a B-curve response for current limitation, which is ideal for branch circuit protection setups.

The construction style of the 140UT-D7D3-C20 is open, which facilitates easy monitoring and maintenance. It is designed for DIN-rail mounting, allowing simplified installation in control panels. Screw terminals are provided for securing connections, ensuring reliable electrical contact. The fixed adjustment method streamlines the setup process, making it straightforward for users to implement in various branch circuit applications.