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Allen-Bradley 140M-C2E-A40 motor protection circuit breaker

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Allen-Bradley 140M-C2E-A40

by Allen-Bradley

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OverviewThe Allen-Bradley 140M-C2E-A40 Motor Protection Circuit Breaker (MPCB) offers robust and reliable defense for industrial motor systems. This compact yet powerful apparatus shields motors from detrimental overcurrents and short circuits, ensuring uninterrupted operation and extending the lifespan of your valuable machinery. Engineered for precision, the 140M-C2E-A40 features an adjustable thermal current range, a pre-set magnetic trip, and a durable construction, making it an essential component in demanding industrial settings. Its rugged design guarantees consistent performance, reducing downtime and enhancing overall productivity.Key Features Adjustable Thermal Current Range (0.25-0.4A): Provides exact and adaptable overload safeguarding, customized to your motor's specific needs, effectively preventing heat-related damage. Standard Magnetic Trip (Fixed at 13 x Ie): Delivers instant and dependable short-circuit isolation, quickly disconnecting power to prevent catastrophic failures and ensure personnel safety. Compact Frame Size C: Maximizes panel space through its high-performance design, enabling efficient integration into various electrical enclosures without compromising protective capabilities. Enhanced Motor Protection: Actively prevents costly damage from excessive current, guaranteeing the longevity and optimal function of your critical motor assets. Durable Industrial Construction: Built to endure harsh operating environments, this MPCB assures lasting reliability and steady performance in the most challenging industrial conditions. Effortless Integration: Designed for seamless incorporation into existing industrial control systems and automation setups, simplifying both installation and ongoing maintenance. Compliance and Safety: Adheres to rigorous industry standards, providing crucial safety conformance for your electrical installations and machinery. Technical Specifications Model: 140M-C2E-A40 Series: 140M Motor Protection Circuit Breakers Thermal Current Range: 0.25 - 0.4A (Adjustable) Magnetic Trip: Fixed at 13 x Ie Frame Size: C Protection Type: Overload and Short Circuit Brand: Allen-Bradley Product Type: Motor Protection Circuit Breaker (MPCB) Applications Industrial Motor Control and Automation: Critical for the secure and efficient operation of motors in automated production lines and processing facilities. Electrical Panels and Switchgear: Provides vital protection within control panels, ensuring the stability and safety of distribution networks. Conveyor Systems, Pumps, and HVAC Applications: Perfect for safeguarding motors in essential infrastructure, maintaining continuous operation and preventing unexpected breakdowns. Machine Safety Systems: An integral part of protective systems for various machinery, minimizing the risk of equipment damage and elevating operator safety. Commercial and Building Management Systems: Guarantees reliable motor function in large-scale commercial HVAC and pumping systems, contributing to energy efficiency and comfort. Water and Wastewater Treatment Facilities: Essential for protecting pumps and agitators in demanding and often corrosive environments. Why ChooseExceptional Reliability: Allen-Bradley's reputation for quality ensures that the 140M-C2E-A40 offers dependable motor protection, minimizing unforeseen downtime.Accurate Motor Protection: The adjustable thermal settings combined with a fixed magnetic trip provide precise and immediate protection against both overcurrent and short-circuit conditions, extending motor operational life.Space-Saving Design: Its compact Frame Size C allows for efficient utilization of panel space, making it a suitable option for installations where physical footprint is a primary consideration.Enhanced Safety Features: Engineered to meet industrial safety benchmarks, this MPCB provides critical protection for both equipment and personnel, reducing operational hazards.Flexible Application: Suitable for a wide array of industrial and commercial uses, offering adaptable protection across diverse environments.Order NowUpgrade your motor protection today. Add the Allen-Bradley 140M-C2E-A40 to your cart or contact our sales team for assistance.FAQWhat types of protection does the 140M-C2E-A40 provide?This MPCB offers protection against both thermal overloads and short circuits, ensuring comprehensive motor safeguarding.Is the thermal protection adjustable?Yes, the thermal current range is adjustable from 0.25 - 0.4A, allowing for precise calibration to your motor's specific requirements.What is the frame size of this device?The 140M-C2E-A40 features a compact Frame Size C, designed for efficient use of panel space.Can this MPCB be integrated into existing systems?Yes, it is designed for seamless integration into a variety of industrial control and automation setups.What industries commonly use this motor protection circuit breaker?It is widely used in industrial motor control, electrical panels, conveyor systems, HVAC, machine safety, commercial building management, and water treatment facilities.

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PRODUCT DETAILS

Allen-Bradley 140M-C2E-A40

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-C2E-A40
  • Series: 140M Motor Protection Circuit Breakers
  • Thermal Current Range: 0.25 - 0.4A (Adjustable)
  • Magnetic Trip: Fixed at 13 x Ie
  • Frame Size: C
  • Protection Type: Overload and Short Circuit
  • Brand: Allen-Bradley
  • Product Type: Motor Protection Circuit Breaker (MPCB)

Applications

  • Industrial Motor Control and Automation: Critical for the secure and efficient operation of motors in automated production lines and processing facilities.
  • Electrical Panels and Switchgear: Provides vital protection within control panels, ensuring the stability and safety of distribution networks.
  • Conveyor Systems, Pumps, and HVAC Applications: Perfect for safeguarding motors in essential infrastructure, maintaining continuous operation and preventing unexpected breakdowns.
  • Machine Safety Systems: An integral part of protective systems for various machinery, minimizing the risk of equipment damage and elevating operator safety.
  • Commercial and Building Management Systems: Guarantees reliable motor function in large-scale commercial HVAC and pumping systems, contributing to energy efficiency and comfort.
  • Water and Wastewater Treatment Facilities: Essential for protecting pumps and agitators in demanding and often corrosive environments.

Why Choose the 140M-C2E-A40?

Exceptional Reliability: Allen-Bradley's reputation for quality ensures that the 140M-C2E-A40 offers dependable motor protection, minimizing unforeseen downtime.

Accurate Motor Protection: The adjustable thermal settings combined with a fixed magnetic trip provide precise and immediate protection against both overcurrent and short-circuit conditions, extending motor operational life.

Space-Saving Design: Its compact Frame Size C allows for efficient utilization of panel space, making it a suitable option for installations where physical footprint is a primary consideration.

Enhanced Safety Features: Engineered to meet industrial safety benchmarks, this MPCB provides critical protection for both equipment and personnel, reducing operational hazards.

Flexible Application: Suitable for a wide array of industrial and commercial uses, offering adaptable protection across diverse environments.

Availability & Shipping

  • In stock: 140M-C2E-A40 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-C2E-A40 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

This MPCB offers protection against both thermal overloads and short circuits, ensuring comprehensive motor safeguarding.

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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