140MT-C3E-C10

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Overview of Allen Bradley 140MT-C3E-C10

The Allen Bradley 140MT-C3E-C10 is a motor protection circuit breaker designed for reliable motor control and protection. It features an adjustable thermal current range from 6.3 to 10 amps and provides Class 10 trip timing, which ensures trip response within 10 seconds or less under overload conditions. This 3-phase device is built to mount easily on a standard 35mm DIN rail, making installation straightforward. The 140MT-C3E-C10 combines manual motor control with built-in protection against overload and short circuits. It is compatible with the 100-C and 100-E series contactors, enabling construction of combination motor starters. The circuit breaker includes screw-type terminals for secure electrical connections and supports auxiliary contacts for status signaling. This model is part of the 140MT series, known for robustness, diversity, and backward compatibility with earlier Allen Bradley motor starter lines.

Key Features of Allen Bradley 140MT-C3E-C10

  • Adjustable thermal current range from 6.3 to 10 amps for flexible motor sizing
  • Class 10 trip characteristic for fast overload protection under 10 seconds
  • 3-phase motor protector suitable for standard industrial applications
  • Mounts on standard 35mm DIN rail with screw terminals for easy wiring
  • Supports front and side-mounted auxiliary contacts for enhanced signaling options
  • Compatible with 100-C and 100-E contactor series to form combination motor starters
  • Built-in magnetic short-circuit and thermal overload protection up to 40A
  • Manual on/off rotary handle for straightforward motor operation
  • Rated operation voltage up to 690 V and breaking capacity suitable for typical industrial circuits

Technical Specs of 140MT-C3E-C10

Specification Details
Adjustable Current Range 6.3 - 10 A
Trip Class Class 10
Current Poles 3 Poles
Mounting Style 35mm DIN Rail
Terminals Screw
Rated Voltage Up to 690 V AC
Breaking Capacity Standard Breaking Capacity
Auxiliary Contacts Optional Front or Side Mount
Manual Operator Rotary On/Off Handle
Dimensions (HxWxD) 96.3 mm x 45 mm x 83.4 mm
Weight 0.36 kg

Applications / Use Case

The Allen Bradley 140MT-C3E-C10 is ideal for motor protection in industrial automation and manufacturing environments. It protects motors from overload and short-circuit conditions, reducing downtime and preventing damage. This device is used in applications requiring reliable manual motor control combined with integral protection, such as conveyor systems, pumps, compressors, and HVAC equipment. The compatibility with Allen Bradley contactors allows easy integration into motor starter circuits in panel boards and machinery controls. Its adjustable trip setting provides flexibility for motors of different ratings, ensuring protection tailored to specific motor designs. Maintenance teams benefit from the device’s simplicity, modularity, and ease of installation on standard DIN rail systems.

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140MT-C3E-C10

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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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