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Allen Bradley 140U MCB 140U-D6D3-B30

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140U-D6D3-B30

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The 140U-D6D3-B30 from Allen Bradley is a molded case circuit breaker tailored for effective load protection. It operates at a supply voltage of 480V and features three poles. Its rated current capacity stands at 3.0 A, making it suitable for diverse applications.

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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-B30

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140U-D6D3-B30
UPC885630141633
Weight1.38 lbs (0.62 kg)
Supply Voltage480V
Maximum Available Fault Current0 kA
Number of Poles3 Poles
Rated Current3.0 A
Frame SizeD Frame
Interrupt Rating100 kA
Protection TypeFixed Thermal / Fixed Magnetic
Min. Operating Temperature0 °C
Max. Operating Temperature40 °C
Installation Altitude1000 MSL
Storage Humidity0 to 80 % (Non-Condensing)
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The 140U-D6D3-B30 circuit breaker is produced by Allen Bradley and belongs to the 140U MCB series. This unit specializes in providing reliable current interruption across three poles. Its operating voltage is rated at 480V. Within the circuit specifications, it offers a fixed thermal and magnetic protection mechanism to safeguard connected circuitry.

Rated for currents up to 3.0 A, this breaker also showcases an impressive interrupt rating of 100 kA, enabling it to handle transient conditions up to that level efficiently. The design features a D frame size, allowing it to fit into various installations seamlessly. Operational temperatures for this unit range from 0 °C to a maximum of 40 °C, making it versatile for several environmental conditions.

For installation, the 140U-D6D3-B30 can operate effectively at altitudes up to 1000 meters above sea level. It also boasts a storage humidity range of 0 to 80% (non-condensing), which assists in maintaining performance stability in various conditions. The maximum fault current for this model stands at 0 kA, highlighting its protective capabilities.

Revision Part #Also known as
140U-D6D3-B30 Ser A140U-D6D3-B30/A, Series A, Rev A
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