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Allen Bradley 140G MCB 140G-J3C3-C63

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140G-J3C3-C63

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Designed for durable protection, the 140G-J3C3-C63 from Allen-Bradley is a molded case circuit breaker with a J-frame construction. It operates effectively with a maximum current rating of 250 Amps and supports fixed thermal and magnetic trip settings to safeguard electrical circuits.

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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-J3C3-C63

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-J3C3-C63
Weight10.00 lbs (4.54 kg)
FrameJ
Amps250
Interrupting Rating35 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Current Range63 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-J3C3-C63 molded-case circuit breaker is an essential circuit protection device suitable for various applications. This breaker features a J-frame design, allowing it to handle a maximum current of 250 Amps effectively. Its interrupting capability is 35 kA, ensuring reliable operation during fault conditions.

In terms of protection, this breaker utilizes fixed thermal and fixed magnetic mechanisms to provide dependable overcurrent protection. It operates at 63 Amps of rated current, making it suitable for a variety of load demands. The breaker's rated insulation voltage is 1000 Volts, allowing it to operate under high voltage conditions.

With a rated impulse withstand voltage of 8 kV, the 140G-J3C3-C63 offers significant protection against voltage spikes. It weighs approximately 5.51 pounds, which facilitates installation in various system configurations. The device's mechanical life is rated at 240 operations per hour and its electrical life is rated at 120 operations per hour. It can support frequent use.

Revision Part #Also known as
140G-J3C3-C63 Ser A140G-J3C3-C63/A, Series A, Rev A
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