140M-F8E-C45

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Overview of Allen-Bradley 140M-F8E-C45 Motor Protection Circuit Breaker

The Allen-Bradley 140M-F8E-C45 is a three-pole motor protection circuit breaker with an adjustable thermal trip range from 32 to 45 amps. It provides short circuit and overload protection for motors in industrial applications. This F frame breaker is rated for voltages up to 600V AC and offers high interrupting capacity suitable for demanding motor control systems.

Key Features of Allen-Bradley 140M-F8E-C45

  • Adjustable Thermal Trip: Current range adjustable from 32 to 45 amps to protect motors against overload.
  • Fixed Magnetic Trip: Provides quick response to short circuits with a magnetic trip currently rated at 585 amps.
  • High Interrupting Capacity: Rated for 65 kA at 400/480V to safely clear fault currents in industrial systems.
  • Durable F Frame Design: Suitable for industrial motor protection with compact form factor.
  • Manual Rotary Handle: Simplifies control and reset of the breaker.
  • UL and CSA Certified: Complies with international motor protection and safety standards.

Technical Specs of Allen-Bradley 140M-F8E-C45

Parameter Specification
Rated Current Range 32 to 45 A
Number of Poles 3
Rated Voltage 600V AC
Magnetic Trip Current 585 A (fixed)
Interrupting Capacity 65 kA @ 400/480V AC
Trip Class Class 10
Mounting DIN Rail
Dimensions (H x W x D) 111.4 x 54 x 110 mm
Weight Approx. 0.78 kg

Applications / Use Case

The 140M-F8E-C45 motor protection circuit breaker is commonly used for motor starters, industrial automation panels, and motor control centers. It delivers reliable motor protection with adjustable overload settings to enhance equipment lifespan and operational safety.

Allen-Bradley products are backed by Rockwell Automation's global quality assurance and service network.

140M-F8E-C45

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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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