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Allen-Bradley 140MT-C3E-C10 Motor Protection Circuit Breaker

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Allen-Bradley 140MT-C3E-C10

by Allen-Bradley

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OverviewThe Allen-Bradley 140MT-C3E-C10 Motor Protection Circuit Breaker (MPCB) offers dependable and efficient defense for industrial motors against overload and short-circuit conditions. This vital component extends equipment lifespan and ensures safe operation through precise thermal and magnetic trip functionalities. Featuring an adjustable thermal current range of 6.3-10A, a swift Trip Class 10 rating, and a fixed magnetic trip set at 14 times the rated current, the 140MT-C3E-C10 provides exceptional reliability. Designed with a standard breaking capacity and a compact C-frame, this MPCB is an excellent choice for demanding motor control applications across various sectors, including industrial automation, manufacturing facilities, and power distribution. Its robust construction and advanced protective capabilities make it essential for maintaining continuous operations and preventing costly downtime stemming from electrical malfunctions.Key Features Adjustable Thermal Current Range (6.3-10A): Provides precise and adaptable motor overload protection, allowing customization for specific motor requirements. Trip Class 10 Rating: Ensures quick and reliable response to overload and short-circuit events, minimizing potential damage to motors and systems. Fixed Magnetic Trip at 14x Ie: Delivers rapid disconnection during severe fault conditions, enhancing overall system safety. Standard Breaking Capacity: Offers robust and proven protection for a wide variety of industrial applications, ensuring consistent performance. Compact C-Frame Design: Facilitates space-saving installations within control panels and electrical enclosures, optimizing valuable cabinet space. DIN Rail Mountable: Enables fast, secure, and straightforward installation, reducing setup time and simplifying maintenance. Technical Specifications Model: 140MT-C3E-C10 Type: Motor Protection Circuit Breaker (MPCB) Frame Size: C Thermal Current Range: 6.3-10A (Adjustable) Trip Class: 10 Magnetic Trip: Fixed at 14 x Ie Breaking Capacity: Standard Mounting: DIN Rail Application: Industrial motor protection, control panels, automation systems Applications Comprehensive Motor Protection Systems: Defends industrial motors from harm caused by overloads, short circuits, and phase imbalances. Advanced Industrial Automation: Guarantees the safe and continuous functioning of critical motor-driven equipment within automated production lines. Manufacturing & Processing Plants: Provides sturdy and reliable circuit protection for heavy-duty machinery in demanding manufacturing environments. Critical Control Panels & Electrical Enclosures: Enhances the safety, efficiency, and longevity of industrial electrical systems. Water and Wastewater Treatment Facilities: Safeguards pumps and various motor-driven equipment from operational interruptions. HVAC Systems in Commercial Buildings: Ensures consistent motor protection for air handling units and other vital components. Why ChooseThe Allen-Bradley 140MT-C3E-C10 offers superior protection against a range of electrical faults, extending the lifespan of your motors. Its adjustable thermal settings allow for tailored protection, perfectly matching the specific demands of diverse motor applications. With a Trip Class 10 rating and fixed magnetic trip, this MPCB ensures immediate disconnection in fault conditions, preventing catastrophic damage. The compact C-frame and DIN rail mounting capability make it an ideal solution for installations where panel space is at a premium. Built by Allen-Bradley, a leader in industrial automation, you can trust this MPCB for consistent and dependable performance in the toughest environments. By effectively managing overloads and short circuits, the 140MT-C3E-C10 significantly improves the safety of your personnel and equipment.Order NowExperience reliable motor protection.FAQWhat is the adjustable thermal current range of the 140MT-C3E-C10?The 140MT-C3E-C10 features an adjustable thermal current range of 6.3-10A.What is the trip class rating of this MPCB?This Motor Protection Circuit Breaker has a Trip Class 10 rating.How is the magnetic trip set on the 140MT-C3E-C10?The magnetic trip is fixed at 14 times the rated current (14 x Ie).What breaking capacity does this model offer?The 140MT-C3E-C10 offers a standard breaking capacity.What are some typical applications for this MPCB?Common applications include comprehensive motor protection systems, advanced industrial automation, manufacturing and processing plants, critical control panels, and water/wastewater treatment facilities.

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PRODUCT DETAILS

Allen-Bradley 140MT-C3E-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: 140MT-C3E-C10
  • Type: Motor Protection Circuit Breaker (MPCB)
  • Frame Size: C
  • Thermal Current Range: 6.3-10A (Adjustable)
  • Trip Class: 10
  • Magnetic Trip: Fixed at 14 x Ie
  • Breaking Capacity: Standard
  • Mounting: DIN Rail
  • Application: Industrial motor protection, control panels, automation systems

Applications

  • Comprehensive Motor Protection Systems: Defends industrial motors from harm caused by overloads, short circuits, and phase imbalances.
  • Advanced Industrial Automation: Guarantees the safe and continuous functioning of critical motor-driven equipment within automated production lines.
  • Manufacturing & Processing Plants: Provides sturdy and reliable circuit protection for heavy-duty machinery in demanding manufacturing environments.
  • Critical Control Panels & Electrical Enclosures: Enhances the safety, efficiency, and longevity of industrial electrical systems.
  • Water and Wastewater Treatment Facilities: Safeguards pumps and various motor-driven equipment from operational interruptions.
  • HVAC Systems in Commercial Buildings: Ensures consistent motor protection for air handling units and other vital components.

Why Choose the 140MT-C3E-C10?

The Allen-Bradley 140MT-C3E-C10 offers superior protection against a range of electrical faults, extending the lifespan of your motors. Its adjustable thermal settings allow for tailored protection, perfectly matching the specific demands of diverse motor applications. With a Trip Class 10 rating and fixed magnetic trip, this MPCB ensures immediate disconnection in fault conditions, preventing catastrophic damage. The compact C-frame and DIN rail mounting capability make it an ideal solution for installations where panel space is at a premium. Built by Allen-Bradley, a leader in industrial automation, you can trust this MPCB for consistent and dependable performance in the toughest environments. By effectively managing overloads and short circuits, the 140MT-C3E-C10 significantly improves the safety of your personnel and equipment.

Availability & Shipping

  • In stock: 140MT-C3E-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 140MT-C3E-C10 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The 140MT-C3E-C10 features an adjustable thermal current range of 6.3-10A.

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.

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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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