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Allen Bradley 140U MCB 140U-D6D3-C30

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140U-D6D3-C30

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The 140U-D6D3-C30 is a molded case circuit breaker created by Allen Bradley, suitable for applications requiring reliable current protection. This device is designed to operate at a supply voltage of 480 Volts AC and features a fixed thermal and magnetic trip unit for enhanced safety.

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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-D6D3-C30

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140U-D6D3-C30
UPC885630141732
Weight0.44 lbs (0.20 kg)
GTIN10885630141739
Frame SizeFrame size D
Supply Voltage Class480 Volts AC
Trip Unit TypeFixed thermal/fixed magnetic trip unit
Rated Current30 Amperes
Fixed Thermal Trip Rating30 Amperes
Number of Poles3 poles
Frequency Rating50 to 60 Hertz
Rated Interrupt65 kiloamperes at 240 Volts AC, 65 kiloamperes at 277 to 480 Volts AC, and 25 kiloamperes at 347 to 600 Volts AC
CertificationsIEC, UL, and CSA-approved
Mounting MethodDIN rail mount
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The 140U-D6D3-C30 molded case circuit breaker from Allen Bradley serves as a crucial element in electrical distribution systems, offering protection against overloads and short circuits. This model operates within a voltage class of 480 Volts AC. The trip unit is a combination of fixed thermal and fixed magnetic, providing reliable tripping under fault conditions. Rated for a nominal current of 30 Amperes, this breaker is built with a frame size classified as D, making it compatible with a range of applications.

With three poles, the 140U-D6D3-C30 is adept at handling electrical systems where multi-pole protection is required. It has been rated for 50 to 60 Hertz frequency operations, making it suitable for standard industrial applications. The interrupt ratings are robust, accommodating 65 kiloamperes at both 240 and 277 to 480 Volts AC, while still effective at 25 kiloamperes for 347 to 600 Volts AC. This circuit breaker is certified with IEC, UL, and CSA approvals, making it versatile and compliant with various international standards. For installation, the mounting method is DIN rail, which allows for organized and secure integration into electrical panels, enhancing the overall efficiency and reliability of power distribution systems.

Revision Part #Also known as
140U-D6D3-C30 Ser A140U-D6D3-C30/A, Series A, Rev A
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