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Allen Bradley 140U MCB 140U-JTD3-D25

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140U-JTD3-D25

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The 140U-JTD3-D25 by Allen Bradley functions as a molded case circuit breaker tailored for 3-phase systems. It handles a rated current up to 250 A and has a voltage capability of 600 V, providing reliable circuit protection.

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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-JTD3-D25

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140U-JTD3-D25
Weight1.13 lbs (0.51 kg)
UPC781180635519
Number of Phase3-phase
Number of Poles3
Min. Frequency50 Hz
Max. Frequency60 Hz
Interrupting Rating25 kA
Rated Current250 A
Rated Voltage600 V
Trip TypeThermal-Magnetic
Frame SizeJ-Frame
Protection TypeFixed Thermal Protection
Connection TypeBolt-on connection

The 140U-JTD3-D25 circuit breaker, part of the Allen Bradley 140U MCB series, serves to protect electrical systems from overloads and short circuits. Designed for 3-phase applications, it can accommodate a rated current of 250 Amps and operates effectively at a maximum rated voltage of 600 Volts. This unit incorporates a thermal-magnetic trip mechanism, which grants reliable protection against electrical faults.

It is structured to function within a frequency range of 50 to 60 Hz. The circuit breaker is housed within a J-frame, which provides enhanced durability and is suitable for tougher environments. With an interrupting rating of 25 kA, the 140U-JTD3-D25 is capable of handling significant fault currents, ensuring the safety and integrity of connected circuits. The fixed thermal protection element provides consistent monitoring of thermal conditions to prevent overloads.

Connections to this breaker are achieved through a bolt-on method, facilitating easy integration into existing electrical panel designs. This molded case circuit breaker is essential in ensuring long-term operational reliability in various industrial and commercial environments.