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Allen-Bradley 140M-D8E-C10 Motor Protection Circuit Breaker

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Allen-Bradley 140M-D8E-C10

by Allen-Bradley

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OverviewThe Allen-Bradley 140M-D8E-C10 Motor Protection Circuit Breaker is an essential component for safeguarding industrial motors. This high-performance device, crafted by Allen-Bradley, a leader in industrial automation, offers extensive protection for valuable motors against common electrical faults. Its main role is to prevent harm from overloads, short circuits, and phase failures, ensuring continuous operation and extending equipment lifespan. This model features an adjustable thermal current range of 6.3 to 10 Amperes, allowing precise calibration for specific motor types. Additionally, its fixed magnetic trip is set at 13 times the operational current (13x le), guaranteeing an immediate response to sudden current spikes. Operating seamlessly at 480Y/277V AC (50/60Hz), the 140M-D8E-C10 is suitable for a wide array of industrial electrical environments. With its high breaking capacity and space-saving Frame Size D, this circuit breaker is an excellent choice for dependable and effective motor protection in modern industrial automation and control systems.Key Features Adjustable Thermal Current for Precision Offers a versatile 6.3 - 10A range, enabling fine-tuned thermal overload protection that can be accurately matched to diverse motor applications and their specific operating parameters. Quick Magnetic Trip Response Features a fixed magnetic trip set at 13 times the operational current (13x le), ensuring instantaneous detection and interruption of severe short-circuit conditions, thereby minimizing potential damage. Exceptional High Breaking Capacity Engineered to withstand and safely interrupt high fault currents, providing exceptional circuit protection and enhancing the overall safety and reliability of your electrical infrastructure, even in demanding industrial settings. Optimal Voltage Compatibility Fully compatible with 480Y/277V AC, 50/60Hz industrial power systems, making it a versatile solution for a broad spectrum of commercial and industrial applications worldwide. Compact and Robust Design Designed with a space-saving Frame Size D, this MPCB offers a robust yet compact footprint, facilitating easy integration into crowded electrical panels and control enclosures without sacrificing performance. Thorough Motor Protection Delivers holistic protection against critical electrical threats including sustained overloads, catastrophic short circuits, and damaging phase failures, thereby extending motor life and reducing unscheduled downtime. Enhanced Operational Durability Contributes significantly to the stability and longevity of industrial motors by actively preventing damage caused by electrical irregularities, leading to more consistent performance and reduced maintenance costs. Technical Specifications Model: 140M-D8E-C10 Series: 140M Motor Protection Circuit Breaker (MPCB) Brand: Allen-Bradley Thermal Current Adjustment Range: 6.3 - 10 Amperes Magnetic Trip Setting: Fixed at 13x le (13 times operational current) Voltage Rating: 480Y/277V AC, 50/60Hz Breaking Capacity: High Frame Size: D Protection Functions: Overload, Short Circuit, Phase Failure ApplicationsThis motor protection circuit breaker is ideal for a wide range of industrial uses: Industrial Motor Control Systems Essential for safeguarding various motors in manufacturing plants, processing facilities, and automated production lines. Electrical Panels and Switchgear Perfect for integration into new or existing electrical distribution panels, enhancing protection and compliance across various facilities. Manufacturing and Automation Processes Crucial for ensuring the continuous and safe operation of machinery and automated equipment in high-demand environments. HVAC and Pump Systems Provides reliable protection for motors powering heating, ventilation, air conditioning units, and industrial pump systems. Why Choose the Allen-Bradley 140M-D8E-C10?Choosing this Allen-Bradley MPCB means investing in a solution that offers unparalleled protection and reliability for your industrial motors. Its advanced features such as precise thermal adjustment, rapid magnetic trip, and high breaking capacity ensure your equipment is safe from potential damage, reducing downtime and maintenance costs. The compact design allows for easy integration into existing setups, making it a versatile choice for a multitude of industrial environments. Enhance the lifespan and performance of your motors with this dependable circuit breaker.Order NowSecure your industrial operations today with the Allen-Bradley 140M-D8E-C10 Motor Protection Circuit Breaker. Available for immediate purchase from Palm Parts Solution, ensure your systems are protected with a leading solution in industrial automation.FAQWhat is the thermal current adjustment range for the 140M-D8E-C10?The thermal current adjustment range is 6.3 to 10 Amperes, allowing for precise calibration to match diverse motor requirements.What is the magnetic trip setting for this model?The magnetic trip is fixed at 13 times the operational current (13x le), ensuring rapid response to severe current spikes.What voltage systems are compatible with the Allen-Bradley 140M-D8E-C10?This circuit breaker is fully compatible with 480Y/277V AC, 50/60Hz industrial power systems.What protective functions does this MPCB offer?It provides comprehensive protection against overload, short circuit, and phase failure conditions.What is the frame size of this device?The 140M-D8E-C10 features a space-saving Frame Size D, ideal for integration into various electrical panels.

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$521.99
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PRODUCT DETAILS

Allen-Bradley 140M-D8E-C10

Overview

This is a genuine Allen-Bradley component. PalmPartsSolution stocks it in new, refurbished, and surplus condition with tested warranty and same-day shipping on in-stock units.

Whether you are sourcing a like-for-like replacement for an existing installation, an emergency spare to keep a line running, or a qualified part for a new build, our team can confirm availability, revision, and lead time before you order.

Key Features

  • Genuine Allen-Bradley catalog part
  • Tested before shipment
  • Backed by PalmPartsSolution warranty
  • Cross-reference and revision assistance available
  • Compatible with the broader Allen-Bradley automation ecosystem

Compatibility

When ordering, match the full catalog/part number, hardware revision, and firmware revision called out by your Allen-Bradley equipment. Where applicable, confirm:

  • Input/output voltage and current rating
  • Communication protocol and network role
  • Mounting form factor and footprint
  • Operating temperature, humidity, and IP rating
  • Required certifications (UL, CE, ATEX, marine, etc.)

Not sure which revision you need? Send us the catalog number on the nameplate and we will confirm the correct match.

Replacement Information

Three ways to source this part through PalmPartsSolution:

  1. Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
  2. Form-fit-function equivalent — alternate revision or build that drops in without code changes
  3. Engineered migration — current-generation Allen-Bradley platform with documented conversion notes

Contact our engineering team if you need help choosing between these tracks.

Technical Specifications

  • Model: 140M-D8E-C10
  • Series: 140M Motor Protection Circuit Breaker (MPCB)
  • Brand: Allen-Bradley
  • Thermal Current Adjustment Range: 6.3 - 10 Amperes
  • Magnetic Trip Setting: Fixed at 13x le (13 times operational current)
  • Voltage Rating: 480Y/277V AC, 50/60Hz
  • Breaking Capacity: High
  • Frame Size: D
  • Protection Functions: Overload, Short Circuit, Phase Failure

Applications

This motor protection circuit breaker is ideal for a wide range of industrial uses:

  • Industrial Motor Control Systems

    Essential for safeguarding various motors in manufacturing plants, processing facilities, and automated production lines.

  • Electrical Panels and Switchgear

    Perfect for integration into new or existing electrical distribution panels, enhancing protection and compliance across various facilities.

  • Manufacturing and Automation Processes

    Crucial for ensuring the continuous and safe operation of machinery and automated equipment in high-demand environments.

  • HVAC and Pump Systems

    Provides reliable protection for motors powering heating, ventilation, air conditioning units, and industrial pump systems.

Why Choose the 140M-D8E-C10?

Choosing this Allen-Bradley MPCB means investing in a solution that offers unparalleled protection and reliability for your industrial motors. Its advanced features such as precise thermal adjustment, rapid magnetic trip, and high breaking capacity ensure your equipment is safe from potential damage, reducing downtime and maintenance costs. The compact design allows for easy integration into existing setups, making it a versatile choice for a multitude of industrial environments. Enhance the lifespan and performance of your motors with this dependable circuit breaker.

Availability & Shipping

  • In stock: 140M-D8E-C10 ready for immediate dispatch from our Florida warehouse.
  • Free USA shipping: FedEx Priority (2–5 business days) and UPS Ground (3–5 business days). Expedited options available at checkout.
  • Worldwide delivery: FedEx International Priority (1–5 days), UPS International Priority (3–5 days), and USPS International (5–10 days) — rates calculated at checkout.
  • Bulk pricing: Volume discounts on request — contact our sales team for quantity quotes.
  • Buy with confidence: Every 140M-D8E-C10 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The thermal current adjustment range is 6.3 to 10 Amperes, allowing for precise calibration to match diverse motor requirements.

Machine down? We ship parts the same day.

New, surplus, and refurbished Allen-Bradley inventory in stock. Request a quote or speak directly with an automation specialist for emergency sourcing.

CUSTOMER REVIEWS

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PALM Parts Solution operates as an independent industrial automation supplier and is not an authorized distributor or affiliate of any listed manufacturer or brand name. Manufacturer trademarks and product names are used solely for identification purposes. Original manufacturer warranties do not apply. All products sold by PALM Parts are backed by our own 1-year warranty.

Product Condition & Firmware

All products are sold as new unless stated otherwise. Original manufacturer packaging may show signs of handling, storage, or shelf wear. Date codes and series may vary from current factory production. PALM Parts does not guarantee the presence, version, or compatibility of any firmware on PLC or automation products.

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