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Allen Bradley 140U MCB 140U-J3D3-D22

Product image is representative; revision or series may vary. Contact us to request a specific version.

140U-J3D3-D22

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The 140U-J3D3-D22 from Allen Bradley is a robust molded case circuit breaker engineered for efficiency. This device is rated for operation between 50 Hz and 60 Hz, making it suitable for varying electrical systems.

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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 140U-J3D3-D22

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140U-J3D3-D22
UPC662073087854
Weight5.00 lbs (2.27 kg)
Min. Frequency50 Hz
Max. Frequency60 Hz
Breaking Capacity @ 400 V40 kA
Breaking Capacity @ 480 V35 kA
Frame TypeJ Frame
Number of Poles3 Poles
Trip UnitThermal Magnetic
Thermal Trip SettingFixed
Internal Control Module1 Alarm Contact
Min. Operating Temperature-25°C
Max. Operating Temperature60°C
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The Allen Bradley 140U-J3D3-D22 is a molded case circuit breaker tailored for demanding electrical applications. This unit is designed to handle frequencies between 50 Hz and 60 Hz, making it versatile across various settings. It is constructed as a J frame circuit breaker and comprises three poles, providing effective circuit protection.

Regarding its performance, the breaker boasts a breaking capacity of 40 kA at 400 volts, and it effectively maintains a capacity of 35 kA at 480 volts, ensuring reliable interruption of fault currents. The trip unit is thermal magnetic and equipped with fixed thermal trip settings, allowing for dependable response to overloads.

Additionally, the 140U-J3D3-D22 unit features an alarm contact in its internal control module, which provides crucial notifications regarding breaker status. It operates within a temperature range of -25°C to 60°C, which enhances its adaptability in various environments. This circuit breaker ensures solid performance in both industrial and commercial applications.