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Allen Bradley 140U MCB 140UT-D7D3-C30

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140UT-D7D3-C30

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The 140UT-D7D3-C30 is a circuit breaker from Allen Bradley’s 140U MCB series. This unit provides efficient branch circuit protection and operates on a voltage rating of 480Y/277 VAC.

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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-C30

ManufacturerAllen Bradley
Product TypeCircuit Breaker
Product Line140U MCB
Part Number140UT-D7D3-C30
Weight1.00 lbs (0.45 kg)
UPC191326563871
Voltage Rating480Y/277 VAC
Poles3-pole
ApplicationBranch Circuit Protection
Trip TypeThermal-magnetic/Current Limiting
Rated Current30 A
ConstructionOpen Style
Terminal TypeScrew Terminals
Frequency50/60 Hz
Adjustment MethodFixed
Curve TypeC-Curve
MountingDIN-Rail
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The 140UT-D7D3-C30 part from Allen Bradley is a circuit breaker utilized in various applications, primarily focused on branch circuit protection. The device operates effectively with a voltage rating of 480Y/277 VAC and consists of three poles to manage power distribution adequately. With a rated current of 30 amperes, it provides robust defense against overcurrents.

This model employs a thermal-magnetic trip type. It has a current limiting feature, which helps prevent excessive currents from damaging the circuit. The construction of the breaker is open style, allowing for good accessibility and monitoring. For wiring, it uses screw terminals, ensuring secure connections during installation.

Designed to work across frequencies of 50 and 60 Hz, it fits specific environmental and operational conditions. The adjustment method is fixed, promoting simplicity and reliability in settings where manual recalibration is unnecessary. Additionally, it features a C-curve trip characteristic suitable for typical inductive loads. The unit is intended for mounting on a DIN-rail, which facilitates convenient installation within panel setups.