140MT-C3E-C25

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Overview of Allen Bradley 140MT-C3E-C25

The Allen Bradley 140MT-C3E-C25 is a motor protection circuit breaker engineered for high reliability and efficient motor management in industrial settings. Featuring an adjustable thermal trip range from 18 to 25A, this C Frame breaker is designed for overload and short-circuit protection for motors up to 22kW at 690V. It incorporates Class 10 tripping for rapid fault response and uses fixed magnetic trip technology to ensure consistent safety performance. Widely compatible with IEC-rated contactors and standard 35mm DIN rail mounting, the 140MT-C3E-C25 streamlines both new installations and retrofits. The product is part of Allen Bradley's latest 140MT series, offering improved performance and direct replacement capabilities for older 140M products.

Key Features of Allen Bradley 140MT-C3E-C25

  • Adjustable thermal trip range: 18–25A
  • Class 10 trip curve for fast response
  • Fixed magnetic trip at 14x rated current
  • Standard breaking capacity: up to 15kA at 600V, 25kA at 480V
  • Screw terminals for secure wiring
  • DIN rail mounting for easy installation
  • Auxiliary contacts available (front/side)
  • Compatible with combination motor starter assemblies

Technical Specs of 140MT-C3E-C25

  • Amperage: 25A (thermal adjustable 18–25A)
  • Frame Size: C Frame, rated to 32A
  • Breaking Capacity: 15kA @ 600V, 25kA @ 480V
  • Motor Power Ratings: 5.5kW @ 230V, 11kW @ 400/415V, 15kW @ 500V, 22kW @ 690V
  • Trip Types: Adjustable thermal, fixed magnetic
  • Trip Curve: Class 10
  • Operating Temperature: -25°C to +70°C
  • Humidity: 5–95% (non-condensing)
  • Mounting: 35mm DIN rail
  • Pollution Degree: 3
  • Voltage: up to 480VAC

Applications / Use Case

Allen Bradley 140MT-C3E-C25 is suited for motor protection in manufacturing, process control, material handling, and HVAC systems. Its fast acting Class 10 response helps safeguard induction motors against overloads and phase loss, reducing downtime and maintenance costs in critical automation environments. The breaker fits new installations and is ideal for upgrading legacy motor circuit protectors thanks to its backward compatibility with older Allen Bradley 140M series designs. Industrial users benefit from reliable protection in machinery such as pumps, compressors, conveyors, and fans. The DIN rail mount and auxiliary options enable flexible panel layouts and expandability, making the 140MT-C3E-C25 an integral part of efficient motor starter panels in OEM and plant-floor retrofits.

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140MT-C3E-C25

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Does it come with a warranty?

Yes, All products are offered wth 1-Year warranty.

What is the condition of the product?

All products sold are New & Unused.

How fast is shipping?

All products are delivered within 2-8 business days depending on our stock location.

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