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Allen-Bradley 140M-D8E-C20

SKU: 140M-D8E-C20AllenBradley-SOB-USA

Next Day Delivery Available for U.S. Stock

All Parts Come with 12 Month Warranty

New, Surplus, and Refurbished Available

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Warranty Information

All products (new, surplus, and refurbished) are covered by Chief Automation's 1 Year Warranty. The Manufacturer's Warranty does NOT apply.

Shipping Information

We offer free standard shipping. Products located in the U.S. are eligible for expedited shipping, including next day air.

Payment Methods

We only accept online payments such as Visa, Mastercard, American Express, Discover, etc. All payments are fully secured.

Product Specifications

brand name Allen-Bradley

The Allen-Bradley 140M-D8E-C20 is a Manual Motor Protector/Starter designed for use in industrial settings. It is a Class 10 device, which means it is suitable for applications where high levels of reliability and safety are crucial. The device features an adjustment dial that allows for the setting of the motor current between 14.5 and 20 amps, and it includes a rotary ON/OFF operator for easy control.

The 140M-D8E-C20 does not have an integrated auxiliary switch or under voltage release. It is designed to handle short-circuit currents of up to 100 kA at a rated voltage of 400 V AC.

The device is designed for use in a variety of sectors, including manufacturing, oil and gas, and power generation. It is suitable for applications where high levels of reliability and safety are required, such as in the control of motors in industrial settings.

Technical Specifications

  • Rated voltage: 400 V AC
  • Rated short-circuit breaking capacity: 100 kA
  • Motor current adjustment range: 14.5 - 20 amps
  • Class: Class 10

Alarm/Error Codes

No specific alarm or error codes are mentioned in our research for this device. It is likely that any error codes or alarms would be specific to the application in which the device is used and would depend on the specific configuration and settings of the device.

User Manuals

User manuals for the Allen-Bradley 140M-D8E-C20 are available from various sources, including Rockwell Automation and IMC-Direct. These manuals provide detailed information on the operation and configuration of the device, as well as troubleshooting and maintenance procedures.


Troubleshooting procedures for the Allen-Bradley 140M-D8E-C20 are likely to involve checking the device's settings and configuration, as well as monitoring the motor and electrical system for any signs of malfunction. The user manual provides detailed information on troubleshooting procedures and common issues that may arise.


The Allen-Bradley 140M-D8E-C20 is a manual device and does not require programming. It is designed to be used in a straightforward and simple manner, with the adjustment dial and rotary ON/OFF operator providing easy control over the motor.


The installation of the Allen-Bradley 140M-D8E-C20 typically involves mounting the device in a suitable location, connecting it to the motor and electrical system, and setting the adjustment dial to the desired motor current. The user manual provides detailed information on the installation procedure and any specific requirements for the device's installation.

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