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Allen Bradley 140G MCB 140G-J3F4-D22

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140G-J3F4-D22

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The 140G-J3F4-D22 is a molded case circuit breaker produced by Allen-Bradley, operating within a frame rated as J. Designed for a load capacity of 250 Amps, this breaker's interrupting capacity is 35 kA, providing robust safety and functionality.

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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-J3F4-D22

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J3F4-D22
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating35 kA
Protection TypeAdjustable Thermal/ Adjustable Magnetic
Poles4
Current Range220 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-J3F4-D22 is a high-capacity molded case circuit breaker crafted to deliver optimal protection in electrical systems. The rating of this unit supports a substantial current handling of up to 250 Amps, while its interrupting rating reaches 35 kA, ensuring effective fault management.

With an adjustable thermal and magnetic protection setup, this breaker is versatile for varying electrical conditions. The device is configured with four poles, making it suitable for multi-phase applications. It provides a current range capability of 220 A and accommodates up to 1000V of insulation voltage, promoting safe operations within high-voltage scenarios.

This model also withstands impulse voltages reaching 8 kV, enhancing reliability in the face of electrical surges. Weighing in at 7.72 lb, the 140G-J3F4-D22 is an efficient and durable choice. The breaker grants a mechanical lifespan rated at 240 operations per hour alongside an electrical lifespan of 120 operations per hour, confirming its readiness for frequent use. Overall, the Allen-Bradley 140G-J3F4-D22 is a high-performance solution designed for effective circuit protection.

Revision Part #Also known as
140G-J3F4-D22 Ser A140G-J3F4-D22/A, Series A, Rev A
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