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Allen Bradley 140G MCB 140G-J3H4-D25

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140G-J3H4-D25

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The 140G-J3H4-D25 is a molded case circuit breaker from Allen-Bradley, designed to enhance electrical safety. This device operates at 250 Amps and features an interrupting capacity of 35 kA. Equipped with electronic LSI protection, it has four poles for reliable performance in various applications.

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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 140G-J3H4-D25

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J3H4-D25
Weight10.06 lbs (4.56 kg)
FrameJ
Amps250
Interrupting Rating35 kA
Protection TypeElectronic LSI
Poles4
Current Range250 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The Allen-Bradley 140G-J3H4-D25 is categorized as a molded case circuit breaker. This equipment is designed for reliable circuit protection. With a current rating of 250 Amps, it is suitable for high-demand environments. The interrupting rating is rated at 35 kA, enabling it to handle fault conditions efficiently.

Designed within a frame size classified as J, it supports four poles for comprehensive circuit protection. The protection mechanism features Electronic LSI technology, which aids in precise monitoring and reliability. Operating at a rated insulation voltage of 1000 volts, it is suitable for various applications requiring high voltage capacity.

Additionally, the breaker can withstand impulse voltages of up to 8 kV, ensuring durability against transient spikes in electrical systems. With a weight of 7.72 pounds, it is manageable for installation while maintaining structural integrity.

This model achieves a mechanical life of 240 operations every hour, highlighting its capability for repeated use in demanding applications. Its electrical life is also rated at 120 operations per hour, confirming robust performance over time. The 140G-J3H4-D25 is a reliable choice for professionals seeking dependable circuit protection in their systems.

Revision Part #Also known as
140G-J3H4-D25 Ser A140G-J3H4-D25/A, Series A, Rev A
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