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Allen Bradley 140U MCB 140U-J2D3-D15

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140U-J2D3-D15

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The 140U-J2D3-D15 from Allen Bradley is an inverse time molded case circuit breaker, designed for 3-phase applications. With a continuous current rating of 150 A, this circuit breaker operates effectively up to a maximum voltage of 600 V AC. Featuring thermal magnetic trip technology, it includes both long-time and instantaneous trip functions for enhanced protection.

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2 Year DO Supply Warranty
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-J2D3-D15

ManufacturerAllen Bradley
Product TypeInverse Time Molded Case Circuit Breaker
Product Line140U MCB
Part Number140U-J2D3-D15
Weight5.25 lbs (2.38 kg)
UPC611320995982
Number of Poles3 Poles
FrameJ-Frame
Continuous Current150 A
Interrupting Rating20 to 29 kA
Voltage Rating (Maximum)600 V AC
Phase3 Phase
Frequency Rating50/60 Hz
Trip TypeThermal Magnetic
Connection TypeBolt-on style
Ambient Operating Temperature-25 °C to +60 °C
Protection FunctionsLI long-time and instantaneous trip functions
Storage Temperature-40 °C to +80 °C
Altitude2000 m
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The Allen Bradley 140U-J2D3-D15 is an inverse time molded case circuit breaker, constructed for vigorous performance in a 3-phase electrical system. It provides reliable protection with a continuous current rating of 150 Amperes. This model supports a maximum voltage of 600 V AC, ensuring safety and efficiency in various applications.

This circuit breaker features a J-frame design with three poles, incorporating a thermal magnetic trip mechanism. The device is capable of handling an interrupting rating adjustably set between 20 to 29 kA, allowing it to tackle short circuit conditions effectively. The breaker operates smoothly within a frequency range of 50/60 Hz.

This unit is built to endure a broad range of ambient temperatures, functioning well from -25 °C up to +60 °C. For storage, the 140U-J2D3-D15 can be kept in environments that drop to -40 °C and can endure heat up to +80 °C. Designed for installation at altitudes of up to 2000 meters, the circuit breaker utilizes a bolt-on connection style, ensuring secure and straightforward assembly in various setups. The inclusion of long-time (LI) and instantaneous trip functions further enhances system protection, offering both flexibility and reliability in critical electrical applications.