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Allen Bradley 140M Circuit Breakers 140M-D8E-C10

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140M-D8E-C10

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The 140M-D8E-C10 by Allen Bradley is designed as a motor protection circuit-breaker suitable for various applications. With a rated operating current of 10 amps, it allows for motor current adjustments ranging from 6.3 to 10 amps and features D-frame construction.

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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 140M-D8E-C10

ManufacturerAllen Bradley
Product TypeMotor Protection Circuit-Breaker
Product Line140M Circuit Breakers
Part Number140M-D8E-C10
UPC662468964449
Weight2.00 lbs (0.91 kg)
FrameD-Frame
Rated Operating Current10 Amps
Adjustment Range for Motor Current6.3 to 10 Amps
Maximum Short-Circuit Current at 400V (Icu)100 kA
Maximum Short-Circuit Current at 480V (Group Motor)65 kA
Maximum 3-Phase HP Rating at 200V3 HP
Maximum 3-Phase HP Rating at 230V3 HP
Maximum 3-Phase HP Rating at 460V7.5 HP
Maximum 3-Phase HP Rating at 575V10 HP
Minimum Contactor Size100-C09
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The 140M-D8E-C10 is a robust motor protection circuit-breaker from Allen Bradley's 140M series, specifically within the Bulletin 140M-D product line. This unit has been engineered to effectively manage a rated operating current of 10 amps, with the flexibility to adjust motor current within a range of 6.3 to 10 amps, allowing for various motor configurations.

Engineered with a D-frame design, this circuit breaker can handle significant electrical demands, capable of withstanding a maximum short-circuit current of 100 kA at a voltage of 400V. In scenarios involving group motors at 480V, it maintains a short-circuit capacity of 65 kA, ensuring reliability during fault conditions.

The 140M-D8E-C10 supports a maximum three-phase horsepower rating, facilitating diverse application requirements: it can manage up to 3 HP at both 200V and 230V, maintaining higher ratings of 7.5 HP at 460V and 10 HP at 575V. This versatility demonstrates its suitability for a range of motors within industrial environments.

For optimized performance, it is compatible with a minimum contactor size of 100-C09, making it an integral component for motor control solutions in various sectors. This aspect enhances its operational efficiency, providing protection and reliability for electrical systems.