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Allen Bradley 140U MCB 140U-I6C3-D15

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140U-I6C3-D15

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The 140U-I6C3-D15, part of the Allen Bradley 140U MCB series, is a rugged molded case circuit breaker crafted for reliable power interruption. It's designed to accommodate a continuous current of 150 A and operates efficiently at a rated voltage of 600 VAC.

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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-D15

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140U-I6C3-D15
Weight32.00 lbs (14.51 kg)
Frame SizeI-Frame
Number of Poles3 poles
Continuous Current Rating150 A
Interrupting Rating65 kA at 480V AC
Rated Voltage (AC)600 VAC
Rated Voltage (DC)250 VDC
Trip Unit TypeThermal Magnetic
Thermal TypeFixed Thermal
Magnetic TypeAdjustable Magnetic
Minimum Frequency50 Hz
Maximum Frequency60 Hz
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The 140U-I6C3-D15 is a molded case circuit breaker manufactured by Allen Bradley, classified under the 140U MCB series. This model is built with an I-frame size and is equipped with three poles, facilitating effective circuit protection in various applications. It has a continuous current rating of 150 A and is engineered to manage a rated voltage of 600 VAC, ensuring it can handle substantial electrical loads.

The interrupting rating stands at 65 kA when functioning at 480V AC, making it capable of effectively breaking high fault currents reliably. Additionally, it is rated for 250 VDC for direct current applications.

This unit utilizes a thermal magnetic trip unit, which combines both a fixed thermal element and an adjustable magnetic component. This configuration allows for precise overcurrent protection by adjusting the magnetic threshold based on specific requirements. It is designed to operate within a frequency range of 50 to 60 Hz. The robust nature of the 140U-I6C3-D15 ensures durability and reliability in challenging electrical environments.