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Allen Bradley 140U MCB 140U-I6C3-D10

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140U-I6C3-D10

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The 140U-I6C3-D10 from Allen Bradley is a molded case circuit breaker that features a three-pole design. It is rated for 100 amperes and suitable for AC applications with voltages up to 600V as per UL/CSA standards and 690V according to IEC specifications.

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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 140U-I6C3-D10

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140U-I6C3-D10
Weight3.00 lbs (1.36 kg)
Frame SizeI-Frame
Number of Poles3 Poles
Rated Current100 A
Rated Voltage (UL/CSA)600V AC
Rated Voltage (IEC)690 VAC
Interrupting Rating65 kA at 480 VAC
Trip Unit TypeThermal-Magnetic
Short Circuit Capacity (240V)100 kA
Short Circuit Capacity (600V)25 kA
Min. Frequency50 Hz
Max. Frequency60 Hz
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The Allen Bradley 140U-I6C3-D10 is a robust molded case circuit breaker characterized by its three-pole assembly. This device is tailored for power distribution applications, offering a rated current of 100 A. In alignment with UL/CSA standards, it can handle a maximum rated voltage of 600 volts AC. When analyzed under IEC standards, its voltage threshold is up to 690 VAC, underscoring its versatility in diverse electrical environments.

Designed with an I-frame, the breaker provides reliable performance while maintaining compactness. It possesses a considerable interrupting rating of 65 kA at a voltage level of 480 VAC, which serves to protect circuits from short circuit conditions effectively. The short circuit capacity at 240V stands at 100 kA, while at 600V, it reaches up to 25 kA, ensuring that it can withstand significant fault conditions.

The 140U-I6C3-D10 operates efficiently across frequencies from 50 Hz to 60 Hz, making it suitable for a range of applications. It utilizes a thermal-magnetic trip unit, which combines the features of thermal and magnetic trips for added reliability. This design enhances the circuit breaker's capability to respond to overloads and short circuits, thereby ensuring reliable circuit protection.