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Allen Bradley 140U MCB 140U-JD0D3-D20

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140U-JD0D3-D20

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The 140U-JD0D3-D20, a molded case circuit breaker from Allen Bradley, features a J-frame size and supports a continuous current rating of 200 A. This device is equipped with three poles and operates effectively at a rated voltage of 480 VAC with a significant interrupting capacity of 100 kA.

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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-JD0D3-D20

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140U-JD0D3-D20
Weight10.00 lbs (4.54 kg)
Frame SizeJ-Frame
Continuous Current Rating200 A
Number of poles3 Poles
Rated Operational Voltage480 VAC
Interrupting Capacity100 kA at 480V AC
Minimum Frequency50 Hz
Maximum Frequency60 Hz
Trip Unit TypeThermal Magnetic
Protection TypeFixed Thermal / Adjustable Magnetic
Thermal Trip (Overload)Fixed at 200A
Installation Altitude1000 m
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The Allen Bradley 140U-JD0D3-D20 is categorized as a molded case circuit breaker. Designed for robust applications, it features a J-frame size which is tailored to accommodate currents up to 200 A continuously. The unit comprises three poles, making it suitable for three-phase systems. Operating efficiently at a voltage rating of 480 VAC, the breaker demonstrates a strong interrupting capacity of 100 kA, providing superior protection against fault conditions.

It operates within a frequency range of 50 Hz to 60 Hz, making it versatile for different industrial environments. The trip unit employs a thermal magnetic design which is effective in responding to overload conditions. For enhanced protection, the breaker has a fixed thermal trip rated at 200 A, ensuring it trips under prolonged overload scenarios while allowing for adjustable magnetic settings to suit varying operational needs.

The unit's installation altitude can reach up to 1000 meters, making it adaptable for various mounting locations without derating performance. This circuit breaker is engineered to offer a dependable solution for electrical distribution while maintaining operational safety and reliability.