*Image shown is a representation only. Actual product may vary.
Allen-Bradley 140MG-H8E-D10
by Allen-Bradley
Read verified buyer reviews ↓OverviewThe Allen-Bradley 140MG-H8E-D10 is an advanced Motor Protection Circuit Breaker (MPCB) engineered for optimal thermal and magnetic protection across diverse industrial motor applications. This MPCB ensures peak performance and unwavering reliability with its robust 100A rated operational current, facilitating secure and efficient motor operation in industrial automation and power distribution systems. Its design prioritizes preventing costly downtime and shielding valuable equipment from electrical faults, making it an essential component for demanding industrial environments. The 140MG-H8E-D10 exemplifies Allen-Bradley's dedication to quality, performance, and industrial safety, offering a comprehensive solution for contemporary motor protection needs.Equipped with a highly responsive Thermal-Magnetic Trip Unit (TMD), the 140MG-H8E-D10 delivers exceptionally precise overload and short-circuit protection, crucial for mitigating potential damage to motors and electrical infrastructure. Its impressive breaking capacity of 35-65kA at 480V makes it suitable for heavy-duty applications where significant fault currents can occur. The robust H-frame construction contributes to the unit's durability and guarantees consistent performance even in harsh industrial settings. This combination of advanced protection, high breaking capacity, and rugged construction makes the Allen-Bradley 140MG-H8E-D10 a premier choice for proactive motor safeguarding.Key Features 100A Rated Operational Current: Optimized for high-power motor applications, ensuring dependable and sustained performance in challenging conditions. Advanced Thermal/Magnetic Trip (TMD): Provides precise and rapid protection against destructive overloads and damaging short-circuit currents. Robust H-Frame Design: Engineered for exceptional durability and unwavering reliability, even in the most rigorous industrial operational settings. High Breaking Capacity (35-65kA at 480V): Capable of effectively interrupting substantial short-circuit currents, safeguarding connected equipment. Flexible Mounting Options: Designed for versatile installation via DIN Rail or direct Panel Mounting, facilitating easy integration into various control systems. Comprehensive Motor Protection: Offers all-encompassing protection for industrial motors, enhancing operational longevity and reducing maintenance requirements. Technical Specifications Model: 140MG-H8E-D10 Type: Motor Protection Circuit Breaker (MPCB) Frame Size: H-Frame Rated Operational Current: 100A Trip Type: Thermal/Magnetic (TMD) Breaking Capacity: 35-65kA at 480V Mounting: DIN Rail / Panel Application: Industrial motor protection, control panels, automation systems, power distribution Applications Heavy-Duty Industrial Motor Protection: Ensures maximum safety and operational efficiency for high-power motors in manufacturing facilities. Manufacturing & Automation Systems: Critical for the continuous, reliable operation of high-power equipment within automated industrial processes. Industrial Power Distribution Boards: Integrates seamlessly into power distribution infrastructure for robust protection against electrical overloads and short circuits. Electrical Control Panels: Enhances the safety and stability of motor control applications by providing essential protective functions within control circuitry. Pumping and HVAC Systems: Ideal for protecting motors in large-scale fluid handling and climate control systems, preventing critical failures. Conveyor Systems: Ensures uninterrupted and safe operation of material handling conveyors, minimizing downtime in logistics and manufacturing. Why ChooseBenefit from unmatched reliability and advanced motor protection with this Allen-Bradley MPCB. Its robust design and precise trip mechanism ensure the longevity and safe operation of your industrial motors, reducing maintenance costs and preventing costly downtime.Order NowEquip your industrial systems with the superior protection of the Allen-Bradley 140MG-H8E-D10 MPCB. Contact us today to secure this essential component for your operations.FAQWhat is the primary function of the Allen-Bradley 140MG-H8E-D10?The main function of this device is to provide thermal and magnetic protection for industrial motors, safeguarding them against overloads and short circuits.What is the rated operational current for this MPCB?The Allen-Bradley 140MG-H8E-D10 has a rated operational current of 100A, making it suitable for high-power motor applications.What type of trip unit does the 140MG-H8E-D10 utilize?It utilizes a Thermal-Magnetic Trip Unit (TMD) for precise and swift protection.Can this MPCB be used in heavy-duty industrial applications?Yes, with a breaking capacity of 35-65kA at 480V and robust H-frame design, it is ideal for demanding heavy-duty industrial applications.What mounting options are available for this product?This MPCB offers flexible installation via DIN Rail or direct Panel Mounting.
USA — Free FedEx Priority & UPS Ground · Worldwide shipping available
For more quantity please contact Customer Service
Fast Shipping
Dispatched quickly on in-stock items via UPS, FedEx & DHL worldwide.
Availability
Thousands of parts in stock — ready for immediate dispatch from Florida.
Payment Flexibility
AMEX, Visa, MasterCard, PayPal, Discover and wire transfer accepted.
Allen-Bradley 140MG-H8E-D10
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:
- Exact replacement — same Allen-Bradley catalog number, new or refurbished, tested and warrantied
- Form-fit-function equivalent — alternate revision or build that drops in without code changes
- 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: 140MG-H8E-D10
- Type: Motor Protection Circuit Breaker (MPCB)
- Frame Size: H-Frame
- Rated Operational Current: 100A
- Trip Type: Thermal/Magnetic (TMD)
- Breaking Capacity: 35-65kA at 480V
- Mounting: DIN Rail / Panel
- Application: Industrial motor protection, control panels, automation systems, power distribution
Applications
- Heavy-Duty Industrial Motor Protection: Ensures maximum safety and operational efficiency for high-power motors in manufacturing facilities.
- Manufacturing & Automation Systems: Critical for the continuous, reliable operation of high-power equipment within automated industrial processes.
- Industrial Power Distribution Boards: Integrates seamlessly into power distribution infrastructure for robust protection against electrical overloads and short circuits.
- Electrical Control Panels: Enhances the safety and stability of motor control applications by providing essential protective functions within control circuitry.
- Pumping and HVAC Systems: Ideal for protecting motors in large-scale fluid handling and climate control systems, preventing critical failures.
- Conveyor Systems: Ensures uninterrupted and safe operation of material handling conveyors, minimizing downtime in logistics and manufacturing.
Why Choose the 140MG-H8E-D10?
Benefit from unmatched reliability and advanced motor protection with this Allen-Bradley MPCB. Its robust design and precise trip mechanism ensure the longevity and safe operation of your industrial motors, reducing maintenance costs and preventing costly downtime.
Availability & Shipping
- ▸In stock: 140MG-H8E-D10 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 140MG-H8E-D10 ships with a 1-Year PALM Parts warranty and a 30-day return window.
Frequently Asked Questions — Allen-Bradley
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.
Related Allen-Bradley resources
What Verified Buyers Say
No reviews yet for this product. Be the first verified buyer to share your experience — we email a review invitation after every purchase.
Independent Supplier Notice
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.