140MT-C3E-B40

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Overview of Allen Bradley 140MT-C3E-B40

The Allen Bradley 140MT-C3E-B40 is a motor protection circuit breaker designed for comprehensive motor protection in industrial applications. It provides adjustable thermal current settings from 2.5 to 4.0 amps, ensuring flexibility and precise control over motor protection. This breaker is part of the 140MT series, known for its reliability and effectiveness in safeguarding motors against short circuits and overloads. The 140MT-C3E-B40 features a thermomagnetic switch-off technique, which combines thermal overload protection with magnetic short-circuit protection. It is suitable for installation in various motor starting configurations, including self-protected motor starters.

Key Features of Allen Bradley 140MT-C3E-B40

  • Adjustable thermal current range: 2.5 to 4.0 amps
  • Thermomagnetic switch-off technique for overload and short-circuit protection
  • Mounts on standard 35mm DIN rail for easy integration
  • Screw terminals for straightforward connections
  • Available auxiliaries for front or side mounting, enhancing flexibility
  • Rated operation voltage: up to 690 V
  • Short-circuit breaking capacity: 100 kA at 400 V AC
  • Turn handle for manual on/off control

Technical Specs of 140MT-C3E-B40

Specification Value
Frame Size C (up to 32A)
Number of Poles 3
Dimensions (mm) Height: 96.3, Width: 45, Depth: 83.4
Weight 0.36 kg
Max. Tightening Torque 2.5 Nm

Applications / Use Case

The Allen Bradley 140MT-C3E-B40 is ideal for protecting motors in various industrial environments. It is commonly used in applications requiring Class 10 tripping (tripping in 10 seconds or less), which is crucial for ensuring motor safety under short-circuit conditions. This breaker is suitable for non-severe duty motor starting applications and can be combined with other Allen Bradley products, such as the 100-C and 100-E series of IEC-rated contactors, to create combination motor starters. Its ability to provide both thermal overload and magnetic short-circuit protection makes it versatile for different motor configurations.

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140MT-C3E-B40

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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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