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Allen Bradley 140U MCB 140U-D6D3-B10

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140U-D6D3-B10

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The 140U-D6D3-B10 model from Allen Bradley is a molded case circuit breaker specifically designed for robust protection in electrical systems. With a D-frame size and featuring three poles, it offers a rated current of 1.0 A for reliable circuit management.

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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 140U-D6D3-B10

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140U-D6D3-B10
Weight0.94 lbs (0.43 kg)
Frame SizeD-Frame
Number of Poles3 poles
Rated Current1.0 A
Protection TypeFixed Thermal / Fixed Magnetic
Interrupt Rating (480Y/277V AC)65 kA
Interrupt Rating (240V AC)100 kA
Interrupt Rating (600Y/347V AC)50 kA
Minimum Frequency50 Hz
Maximum Frequency60 Hz
Mounting TypeDIN Rail or Panel Mount
Storage Temperature Range-40°C to 80°C
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The 140U-D6D3-B10 is a high-performance molded case circuit breaker designed by Allen Bradley, part of the 140U MCB series. This device features a D-frame size configuration and contains three poles for effective circuit protection. Engineered to operate at a rated current of 1.0 A, this circuit breaker offers dependable safeguarding against electrical faults. It is equipped with fixed thermal and magnetic protection types, ensuring circuit stability during operation.

The circuit breaker boasts considerable interrupt ratings, with a maximum of 100 kA at 240V AC, 65 kA at 480Y/277V AC, and 50 kA at 600Y/347V AC. These ratings signify its capability to handle fault conditions, providing enhanced safety and reliability in various applications. The frequency thresholds for this unit range from 50 Hz to 60 Hz, making it suitable for diverse electrical systems.

In terms of installation, the 140U-D6D3-B10 supports both DIN rail and panel mounting options, allowing flexibility during setup. Moreover, it maintains a storage temperature range between -40°C and 80°C, ensuring secure storage under varying environmental conditions. Overall, the 140U-D6D3-B10 circuit breaker offers robust protection and adaptability for critical electrical setups, making it a crucial component in safeguarding electrical systems.

Revision Part #Also known as
140U-D6D3-B10 Ser A140U-D6D3-B10/A, Series A, Rev A
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