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Allen Bradley 140M Circuit Breakers 140M-D8N-B25

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

140M-D8N-B25

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The 140M-D8N-B25 is a motor protection circuit breaker from Allen Bradley's 140M series. This device comes with three poles and operates effectively at an operational current of 2.5 A, adjustable from 1.6 A to 2.5 A, catering to varied protection requirements in motor 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 140M-D8N-B25

ManufacturerAllen Bradley
Product TypeMotor Protection Circuit Breaker
Product Line140M Circuit Breakers
Part Number140M-D8N-B25
UPC662468964647
Weight0.88 lbs (0.40 kg)
Number of Poles3 poles
Frame SizeFrame D
Rated Operational Current2.5 A
Current Adjusting Range1.6 to 2.5 A
Protection TypeFixed Magnetic Only
Minimum Frequency50 Hz
Maximum Frequency60 Hz
Interrupting Capacity RatingHigh Breaking Capacity
Terminal TypeFront-Side Screw Connection
Actuator TypeRotary Turn Knob
Short-Circuit Current65 kA at 480V
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The Allen Bradley 140M-D8N-B25 serves as a durable motor protection circuit breaker engineered to safeguard motors from overload and short-circuit conditions. This unit comprises three poles, enabling versatile circuit protection in various configurations. With an operational current rated at 2.5 A, it is adjustable to accommodate a range from 1.6 A to 2.5 A.

The device features a fixed magnetic protection mechanism that ensures reliable operation within industrial environments. Designed to function efficiently within a frequency spectrum of 50 Hz to 60 Hz, it is adaptable for diverse applications. The circuit breaker is built with a high interrupting capacity, which provides robust performance during fault conditions. Its front-side screw connection type terminals facilitate straightforward installation and maintenance.

The actuator is a rotary turn knob, allowing for easy operation and adjustments. Additionally, it includes a significant short-circuit current rating of 65 kA at 480V, ensuring that it can handle substantial fault levels that may occur within the system. Overall, the 140M-D8N-B25 is engineered to deliver reliable motor protection and is an effective solution for various electrical setups.