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Allen Bradley 140M Circuit Breakers 140MT-C3E-C20

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140MT-C3E-C20

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The 140MT-C3E-C20 model is a motor protection circuit breaker designed by Allen Bradley. This component operates at a voltage of 690 VAC and covers a current range from 14.5 to 20 A, providing robust motor protection features.

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Ships from Raleigh, NC
2 Year DO Supply Warranty
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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Rockwell Disclaimer: The product is used surplus. DO Supply is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because DO Supply is not an authorized distributor of this product, the Original Manufacturer's warranty does not apply. While many Allen-Bradley PLC products will have firmware already installed, DO Supply makes no representation as to whether a PLC product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. DO Supply also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from Rockwell, its distributors, or any other source. DO Supply also makes no representations as to your right to install any such firmware on the product. DO Supply will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.

Technical specifications for 140MT-C3E-C20

ManufacturerAllen Bradley
Product TypeMotor Protection Circuit Breaker
Product Line140M Circuit Breakers
Part Number140MT-C3E-C20
Weight0.88 lbs (0.40 kg)
UPC191326561914
Frequency50/60 Hz
Connection TypeScrew terminals
Magnetic TripFixed, 14×Ie
Adjustment MethodDial-set
MountingDIN-rail
Breaking CapacityStandard
Poles3-pole
Rated Voltage690 VAC
Current Range14.5–20 A
Trip ClassClass 10
Protection DegreeIP20
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The Allen Bradley 140MT-C3E-C20 is a motor protection circuit breaker that serves essential safety functions in electrical motor applications. This component is suitable for 3-pole setups and can operate under a voltage rating of up to 690 VAC. With a current capacity range from 14.5 to 20 A, it provides reliable protection tailored for motors within this specification.

This circuit breaker is designed to trip magnetically, with a fixed trip point set at 14 times the rated current, enabling effective reactions to overload situations. The adjustment of the trip settings can be performed easily via a dial-set method, ensuring flexibility in operation. It is mounted on standard DIN rails for straightforward installation in control panels.

The protection degree of IP20 means this device is suitable for indoor applications, safeguarding against access to hazardous parts but not intended for exposure to moisture or debris. It operates efficiently at frequencies of either 50 or 60 Hz, making it compatible with various power systems. The breaking capacity is standard, providing reliable interruption as needed during protective operations. The connection type utilizes screw terminals for secure wiring.