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Allen Bradley 140U MCB 140UT-D7D3-B20

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140UT-D7D3-B20

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The 140UT-D7D3-B20 is an Allen Bradley circuit breaker from the 140U MCB series. Designed for mounting on DIN rails or panels, it can handle voltages up to 480Y/277 VAC and provides protection with a 2 A rated current.

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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-B20

ManufacturerAllen Bradley
Product TypeCircuit Breaker
Product Line140U MCB
Part Number140UT-D7D3-B20
Weight0.81 lbs (0.37 kg)
UPC191326563581
MountingDIN-rail/panel
Voltage Rating480Y/277 VAC
Poles3-pole
Curve TypeStandard UL/IEC curve
Frequency50/60 Hz
Rated Current2A
Interrupting MediumThermal-magnetic
Trip TypeCurrent-limiting
ConstructionOpen style
Terminal TypeScrew clamp
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The Allen Bradley 140UT-D7D3-B20 represents a compact circuit breaker designed for effective operation in various electrical systems. It functions within a voltage rating of 480Y/277 VAC and has a rated current of 2 A. This model features a three-pole configuration, making it suitable for three-phase applications.

Operating at frequencies of 50 to 60 Hz, this circuit breaker adheres to standard UL/IEC curve specifications, ensuring reliable performance under typical operating conditions. Its thermal-magnetic interruption method enhances its capability by providing both overload and short-circuit protection. The current-limiting trip type is particularly beneficial in preventing damage during faults.

This circuit breaker comes with an open-style construction, which allows for good airflow around components and easy connectivity. It is designed for straightforward mounting on DIN rails or panels, making installation versatile. The screw clamp terminals provide secure connections, allowing for reliable operation in various environments. Overall, the 140UT-D7D3-B20 circuit breaker is engineered to meet demanding performance standards while ensuring efficient circuit protection.