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Allen Bradley 140U MCB 140U-JD3D3-D10

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140U-JD3D3-D10

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The 140U-JD3D3-D10 is a circuit breaker from Allen Bradley’s 140U MCB series. This component is rated for 480 VAC and has a current rating of 100 A, providing reliable protection for electrical circuits.

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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-JD3D3-D10

ManufacturerAllen Bradley
Product TypeCircuit Breaker
Product Line140U MCB
Part Number140U-JD3D3-D10
Weight32.00 lbs (14.51 kg)
Voltage Rating (AC)480 VAC
Current Rating100 A
Breaking Capacity35 kA
Number of Poles3 Poles
Minimum Frequency50 Hz
Maximum Frequency60 Hz
Minimum Operating Temperature-25°C
Maximum Operating Temperature60°C
Minimum Storage Temperature-40°C
Maximum Storage Temperature80°C
Installation Altitude1000 m

The 140U-JD3D3-D10 circuit breaker, part of the Allen Bradley 140U MCB series, offers critical overcurrent protection for electrical systems. Rated at 480 VAC, it efficiently handles a current of 100 A and possesses a breaking capacity of 35 kA, ensuring it can interrupt fault currents effectively. Designed with three poles, this circuit breaker is ideal for various applications.

In terms of operational flexibility, this device works within a frequency range of 50 Hz to 60 Hz, making it suitable for different electrical standards. The allowable operating temperature ranges from -25°C to 60°C, which ensures reliable performance under varying environmental conditions.

For more extreme conditions, the circuit breaker can be stored at temperatures between -40°C and 80°C, which helps maintain its integrity over time. Additionally, it can be installed at altitudes up to 1000 meters without compromising its functionality. The 140U-JD3D3-D10 circuit breaker is a dependable solution for enhancing electrical safety and efficiency across a range of systems.