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Allen Bradley 140U MCB 140U-JD3D3-D22

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140U-JD3D3-D22

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The 140U-JD3D3-D22 from Allen Bradley is a robust molded case circuit breaker designed for effective power circuit protection. Rated at 225 A and accommodating voltages up to 480 VAC, this unit features a thermal magnetic protection type for reliable operation.

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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-D22

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140U-JD3D3-D22
Weight32.00 lbs (14.51 kg)
Frame SizeJD-Frame
Number of Poles3 Poles
Continuous Current Rating225 A
Rated Voltage400/480 VAC
Interrupting Rating35 kA at 480 VAC
Protection TypeThermal Magnetic
Thermal Trip ElementFixed Thermal
IP RatingIP2X
Mounting TypePanel Mount
Minimum Operating Temperature-25°C
Maximum Operating Temperature60°C
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The Allen Bradley 140U-JD3D3-D22 is characterized by its molded case design, suitable for circuit protection in various applications. This circuit breaker operates efficiently with an impressive continuous current rating of 225 Amperes and supports voltages of 400 or 480 VAC.

It is configured with three poles, fitting into the JD-frame size, facilitating installation in compact spaces while ensuring proper electrical distribution. The model boasts a thermal magnetic protection system, utilizing a fixed thermal trip element for reliable circuit protection against overloads and short circuits.

Its interrupting rating is set at 35 kA at 480 VAC, providing assurance in adjusting to fault conditions without compromising safety or performance. The IP2X rating offers a degree of ingress protection, making this breaker suitable for indoor applications where direct contact with live parts is a concern.

Designed for panel mounting, the 140U-JD3D3-D22 operates effectively within a temperature range from -25°C to 60°C, ensuring it can be deployed in various environmental conditions. This circuit breaker is a dependable choice for maintaining safety and operational efficiency in electrical systems.