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Allen Bradley 140M Circuit Breakers 140MT-C3E-C10

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140MT-C3E-C10

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The 140MT-C3E-C10 circuit breaker from Allen Bradley is designed specifically for motor protection. It features a 3-pole configuration, ensuring efficient control over electrical circuits with a rated voltage of 690 VAC.

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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-C10

ManufacturerAllen Bradley
Product TypeMotor Protection Circuit Breaker
Product Line140M Circuit Breakers
Part Number140MT-C3E-C10
Weight0.75 lbs (0.34 kg)
UPC191326561891
MountingDIN-rail
Poles3-pole
Insulation Voltage690 V
Breaking CapacityStandard
ConstructionOpen style
Current Range6.3–10 A
Rated Voltage690 VAC
Adjustment MethodDial-set
Trip ClassClass 10
Frequency50/60 Hz
Connection TypeScrew terminals
Magnetic TripFixed, 14×Ie
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The 140MT-C3E-C10 motor protection circuit breaker by Allen Bradley is essential for protecting motors from electrical faults. This unit is designed to accommodate a rated voltage of up to 690 VAC. It features a versatile 3-pole configuration, which enhances the effectiveness of electrical protection systems.

This circuit breaker operates effectively within a current range of 6.3 to 10 A. For fine-tuning, an adjustable dial-set simplifies configuration for different applications. The magnetic trip mechanism is fixed at 14 times the selected current, providing robust overload protection. Additionally, it conforms to a Trip Class of 10, indicating its capability for a range of operational conditions.

With a rated insulation voltage of 690 V and a standard breaking capacity, the breaker performs reliably under varied conditions, suitable for both 50 and 60 Hz frequency operations. It employs screw terminals for simple and secure connections, while its open style construction allows for straightforward access, facilitating maintenance and adjustments when necessary. Designed for easy DIN-rail mounting, this circuit breaker integrates seamlessly into existing electrical systems.