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Allen Bradley 140G MCB 140G-J3H3-D15

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140G-J3H3-D15

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The 140G-J3H3-D15 circuit breaker, designed by Allen-Bradley and manufactured by Rockwell Automation, serves as a reliable electrical safety device. With a J-frame structure, this unit has a maximum current rating of 250 Amps. It possesses an interrupting capacity of 35 kA and incorporates electronic LSI protection, making it suitable for demanding environments.

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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 140G-J3H3-D15

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J3H3-D15
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating35 kA
Protection TypeElectronic LSI
Current Range150 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The Allen-Bradley 140G-J3H3-D15 is a crucial component for ensuring the safety and reliability of electrical systems. This molded case circuit breaker features a J-frame type and is rated for a maximum of 250 Amps. It provides an interrupting capability of 35 kA, which helps protect against potential fault conditions effectively.

Designed with electronic LSI protection, the breaker enhances safety and performance, ensuring quick responses to overload and fault situations. It operates within a current range of 150 A, allowing it to adapt to various applications. Rated for an insulation voltage of 1000 V, this unit offers protection suitable for high-voltage environments. It also withstands impulse voltages up to 8 kV, ensuring durability in conditions subject to transient overvoltages.

At a weight of 5.51 pounds, the circuit breaker is compact and designed for straightforward installation. It boasts a mechanical life rating of 240 operations per hour, demonstrating its capability to endure frequent use. Additionally, the electrical life rating is 120 operations per hour, reflecting its reliability in continuous operational settings. Overall, the 140G-J3H3-D15 brings together advanced technology and robust design for effective circuit protection.

Revision Part #Also known as
140G-J3H3-D15 Ser A140G-J3H3-D15/A, Series A, Rev A
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