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Allen Bradley 140G MCB 140G-J3I4-D15

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140G-J3I4-D15

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The 140G-J3I4-D15, a molded case circuit breaker from Allen-Bradley, is designed for effective operation in various electrical systems. It has a maximum current rating of 250 Amps and operates with an interrupting capacity of 35 kA, ensuring reliable circuit protection under fault conditions.

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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-J3I4-D15

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J3I4-D15
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating35 kA
Protection TypeElectronic LSIG
Poles4
Current Range150 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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Designed for robust circuit protection, the Allen-Bradley 140G-J3I4-D15 is a reliable molded case circuit breaker. It accommodates a substantial current rating of 250 Amps and is built within a J frame construction. The device’s interrupting capacity is rated at 35 kA, providing ample protection against overcurrents.

This model operates with four poles, particularly allowing for comprehensive circuit control. It utilizes electronic LSIG protection type, which enhances responsiveness during fault conditions, safeguarding the electrical systems effectively. The current range for this circuit breaker is noted at 150 A, granting flexibility across application demands.

The insulated voltage rating reaches up to 1000 volts, while the impulse withstand voltage stands at 8 kV, ensuring capability in high-stress environments. Weighing 7.72 pounds, the 140G-J3I4-D15 maintains both manageability for installation and durability for extended use. The mechanical operating life reaches up to 240 operations per hour, whereas the electrical life extends to 120 operations per hour, confirming its suitability for frequent applications.

Revision Part #Also known as
140G-J3I4-D15 Ser A140G-J3I4-D15/A, Series A, Rev A
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