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Allen-Bradley 140MT-C3E-B40 motor protection circuit breaker, 40A, 3-pole, C-frame, DIN rail

Allen-Bradley 140MT-C3E-B40

SKU: 140MT-C3E-B40
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$136.00
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Allen-Bradley 140MT-C3E-B40

Overview

The Allen-Bradley 140MT-C3E-B40 is a 3-pole motor protection circuit breaker from the 140MT Series, rated at 40A. This C-frame breaker combines fixed thermal and magnetic trip mechanisms, providing reliable protection for motors against overloads and short circuits.

Designed for DIN rail mounting, it offers a compact and modular solution for motor control centers, machinery panels, and automation systems.

Key Features

  • Type: Motor Protection Circuit Breaker

  • Current Rating: 40 Amps

  • Poles: 3

  • Trip Mechanism: Fixed thermal / magnetic

  • Frame Type: C-Frame

  • Mounting: DIN rail

  • Disconnect Functionality: Manual ON/OFF switching

  • Standards: IEC, UL, CSA compliant

Technical Specifications

  • Catalog Number: 140MT-C3E-B40

  • Trip Class: Class 10

  • Rated Insulation Voltage (Ui): 690V AC

  • Operational Voltage: Up to 480V AC

  • Breaking Capacity: 100 kA @ 400V AC (IEC)

  • Wire Range: 18–6 AWG (flexible or solid)

  • Operating Temperature: -25°C to +60°C

  • Certifications: UL Listed, CE, CSA, RoHS

  • Accessories Supported: Auxiliary contacts, shunt trips, under-voltage releases

Applications

  • Motor feeders and starters

  • Control panels

  • Industrial machinery

  • HVAC and pumps

  • Conveyors and compressors

Why Choose the 140MT-C3E-B40

  • Reliable Motor Protection: Integrated thermal and magnetic trip

  • Compact Design: Saves space in control enclosures

  • Flexible Integration: Compatible with wide range of accessories

  • Tool-Free Mounting: Easy DIN rail installation

  • Global Standards: Suitable for international applications

Order Now

The Allen-Bradley 140MT-C3E-B40 motor protection breaker is available and ships worldwide. 

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.
1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.
Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.

Description

Allen-Bradley 140MT-C3E-B40

Overview

The Allen-Bradley 140MT-C3E-B40 is a 3-pole motor protection circuit breaker from the 140MT Series, rated at 40A. This C-frame breaker combines fixed thermal and magnetic trip mechanisms, providing reliable protection for motors against overloads and short circuits.

Designed for DIN rail mounting, it offers a compact and modular solution for motor control centers, machinery panels, and automation systems.

Key Features

  • Type: Motor Protection Circuit Breaker

  • Current Rating: 40 Amps

  • Poles: 3

  • Trip Mechanism: Fixed thermal / magnetic

  • Frame Type: C-Frame

  • Mounting: DIN rail

  • Disconnect Functionality: Manual ON/OFF switching

  • Standards: IEC, UL, CSA compliant

Technical Specifications

  • Catalog Number: 140MT-C3E-B40

  • Trip Class: Class 10

  • Rated Insulation Voltage (Ui): 690V AC

  • Operational Voltage: Up to 480V AC

  • Breaking Capacity: 100 kA @ 400V AC (IEC)

  • Wire Range: 18–6 AWG (flexible or solid)

  • Operating Temperature: -25°C to +60°C

  • Certifications: UL Listed, CE, CSA, RoHS

  • Accessories Supported: Auxiliary contacts, shunt trips, under-voltage releases

Applications

  • Motor feeders and starters

  • Control panels

  • Industrial machinery

  • HVAC and pumps

  • Conveyors and compressors

Why Choose the 140MT-C3E-B40

  • Reliable Motor Protection: Integrated thermal and magnetic trip

  • Compact Design: Saves space in control enclosures

  • Flexible Integration: Compatible with wide range of accessories

  • Tool-Free Mounting: Easy DIN rail installation

  • Global Standards: Suitable for international applications

Order Now

The Allen-Bradley 140MT-C3E-B40 motor protection breaker is available and ships worldwide. 

Condition

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.

Warranty

1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.

Disclaimer

Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.
Allen-Bradley 140MT-C3E-B40

Allen-Bradley 140MT-C3E-B40

$136.00
Add to wishlist
Allen-Bradley 140MT-C3E-B40

Allen-Bradley 140MT-C3E-B40

Your Price:
$136.00
Item Added to Your Cart
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