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Allen-Bradley 140M-C2E-B40 Motor Protection Circuit Breaker with robust design

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Allen-Bradley 140M-C2E-B40

by Allen-Bradley

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OverviewThe Allen-Bradley 140M-C2E-B40 Motor Protection Circuit Breaker is a vital asset for securing industrial machinery. This 40-amp circuit breaker is meticulously engineered to deliver exceptional performance and dependability, offering thorough defense against overcurrents, short-circuits, and critical motor malfunctions like phase failure. Its sturdy construction and innovative attributes guarantee maximal operational uptime and effectiveness within demanding industrial settings. Tailored specifically for motor defense, it seamlessly integrates into current frameworks, providing assurance and reducing potential downtimes and expensive repairs. This particular model exemplifies Allen-Bradley's dedication to excellence and innovation in the realm of industrial automation and control.Key Features Extensive Motor Safeguarding: Provides strong protection for motors against overloads, short-circuits, and crucial phase loss, greatly increasing equipment longevity and minimizing upkeep. High Interrupting Rating: Features an impressive 18 kA interrupting capacity at 480V AC, ensuring outstanding defense even in high-power setups with severe short-circuit scenarios. Dual Protection System: Incorporates both thermal defense for extended overload situations and magnetic defense for immediate short-circuit occurrences, delivering complete fault coverage. Simple DIN Rail Mounting: Designed for swift and easy installation inside control panels, simplifying setup and decreasing installation time. Space-Saving Compact Form: Optimally designed to occupy minimal space within control panels without compromising potent performance capabilities. Broad Operating Temperature Tolerance: Functions reliably across a wide temperature spectrum, from -20°C to 60°C, making it suitable for a variety of industrial environments. Certified Dependability: UL, CE, and RoHS compliant, guaranteeing adherence to rigorous safety and quality benchmarks for industrial applications. Technical Specifications Model Number: 140M-C2E-B40 Current Rating: 40A Voltage Rating: 480V AC Frame Size: M Protection Type: Overcurrent, Short-circuit, and Motor Protection Motor Protection: Thermal and Magnetic protection for motor circuits Interrupting Capacity: 18 kA @ 480V AC Mounting Type: DIN Rail Certifications: UL, CE, and RoHS compliant Weight: 1.2 kg Dimensions: 4.5 x 8.5 x 9.2 cm (Width x Depth x Height) Operating Temperature Range: -20°C to 60°C (-4°F to 140°F) Storage Temperature Range: -40°C to 85°C (-40°F to 185°F) Applications Industrial Motor Protection: Perfect for protecting motors in vital industrial uses such as pumps, conveyor systems, fans, and air compressors, preventing expensive damage and production halts. General Industrial Equipment: Delivers crucial safeguarding for a broad range of industrial machinery against dangerous overcurrents, short-circuits, and motor faults. Control Panel Integration: A fundamental element for maintaining safety and operational integrity within industrial control panels, guaranteeing consistent motor defense. Automated Manufacturing Systems: Seamlessly integrates into advanced automation setups, providing consistent and continuous protection in manufacturing processes and automated production lines. HVAC Systems: Appropriate for protecting motors within heating, ventilation, and air conditioning (HVAC) systems in commercial and industrial structures. Why Choose?Unmatched ReliabilityManufactured by Allen-Bradley, an industry leader in industrial automation, this component ensures steady performance and lasting durability even in the toughest conditions.Superior ProtectionIts comprehensive thermal and magnetic protection, coupled with an 18 kA interrupting capacity, offers advanced safeguarding against a wide array of electrical faults, thereby reducing downtime.Optimized for Industrial UseEngineered to meet the stringent demands of industrial environments, providing robust and dependable operation for critical applications.Order NowSecure your industrial operations with the Allen-Bradley 140M-C2E-B40. Contact us today for pricing and availability!FAQWhat is the primary function of the Allen-Bradley 140M-C2E-B40?The primary function of this device is to provide comprehensive protection for industrial motors against overcurrents, short-circuits, and critical motor faults like phase failure, ensuring operational safety and efficiency.What is the interrupting capacity of this circuit breaker?The Allen-Bradley 140M-C2E-B40 boasts an impressive 18 kA interrupting rating at 480V AC, offering robust protection in high-power applications.What types of protection mechanisms does it offer?This circuit breaker features a dual protection mechanism, integrating both thermal protection for sustained overload scenarios and magnetic protection for instantaneous short-circuit events.Is this device suitable for various industrial environments?Yes, with a broad operating temperature range of -20°C to 60°C, this motor protection circuit breaker is dependable across diverse industrial environments.What certifications does the 140M-C2E-B40 hold?The device is UL, CE, and RoHS compliant, ensuring adherence to stringent safety and quality standards for industrial applications.

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$163.00
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PRODUCT DETAILS

Allen-Bradley 140M-C2E-B40

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 Number: 140M-C2E-B40
  • Current Rating: 40A
  • Voltage Rating: 480V AC
  • Frame Size: M
  • Protection Type: Overcurrent, Short-circuit, and Motor Protection
  • Motor Protection: Thermal and Magnetic protection for motor circuits
  • Interrupting Capacity: 18 kA @ 480V AC
  • Mounting Type: DIN Rail
  • Certifications: UL, CE, and RoHS compliant
  • Weight: 1.2 kg
  • Dimensions: 4.5 x 8.5 x 9.2 cm (Width x Depth x Height)
  • Operating Temperature Range: -20°C to 60°C (-4°F to 140°F)
  • Storage Temperature Range: -40°C to 85°C (-40°F to 185°F)

Applications

  • Industrial Motor Protection: Perfect for protecting motors in vital industrial uses such as pumps, conveyor systems, fans, and air compressors, preventing expensive damage and production halts.
  • General Industrial Equipment: Delivers crucial safeguarding for a broad range of industrial machinery against dangerous overcurrents, short-circuits, and motor faults.
  • Control Panel Integration: A fundamental element for maintaining safety and operational integrity within industrial control panels, guaranteeing consistent motor defense.
  • Automated Manufacturing Systems: Seamlessly integrates into advanced automation setups, providing consistent and continuous protection in manufacturing processes and automated production lines.
  • HVAC Systems: Appropriate for protecting motors within heating, ventilation, and air conditioning (HVAC) systems in commercial and industrial structures.

Why Choose the 140M-C2E-B40?

Unmatched Reliability

Manufactured by Allen-Bradley, an industry leader in industrial automation, this component ensures steady performance and lasting durability even in the toughest conditions.

Superior Protection

Its comprehensive thermal and magnetic protection, coupled with an 18 kA interrupting capacity, offers advanced safeguarding against a wide array of electrical faults, thereby reducing downtime.

Optimized for Industrial Use

Engineered to meet the stringent demands of industrial environments, providing robust and dependable operation for critical applications.

Availability & Shipping

  • In stock: 140M-C2E-B40 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-B40 ships with a 1-Year PALM Parts warranty and a 30-day return window.
SUPPORT

Frequently Asked Questions — Allen-Bradley

The primary function of this device is to provide comprehensive protection for industrial motors against overcurrents, short-circuits, and critical motor faults like phase failure, ensuring operational safety and efficiency.

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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