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Allen Bradley 140G MCB 140G-JTC3-C63

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140G-JTC3-C63

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The 140G-JTC3-C63 molded case circuit breaker by Allen-Bradley is engineered for efficiency and reliability. It features a JC frame design with a handling capacity of 250 Amps. The protection scheme consists of fixed thermal and magnetic settings, providing secure operation under various 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-JTC3-C63

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-JTC3-C63
Weight3.00 lbs (1.36 kg)
FrameJC
Amps250
Interrupting RatingTrip Unit
Protection TypeFixed Thermal/ Fixed Magnetic
Current Range63 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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Designed for durability, the 140G-JTC3-C63 circuit breaker from Allen-Bradley is a molded case type intended for heavy-duty applications. This unit operates on a standard JC frame and is capable of handling a maximum current of 250 Amps. The unit's interrupting capability is governed by a trip unit, which enhances its effectiveness in protecting electrical systems. The fixed thermal and magnetic protection types ensure that the circuit breaker reacts appropriately to overloads and short circuits.

The current range for this model is set at 63 Amps, making it suitable for multiple applications in industrial settings. It is rated for an insulation voltage of 1000 volts, allowing it to operate securely in demanding environments. Moreover, its ability to withstand impulse voltages of 8 kV adds a layer of safety against transient electrical surges.

At a weight of 5.51 pounds, this unit is designed to provide both strength and operational durability without excessive bulk. In terms of longevity, the mechanical life is rated at 240 operations per hour, while the electrical life is rated at 120 operations per hour. These specifications make the 140G-JTC3-C63 a reliable choice for safeguarding electrical circuits.

Revision Part #Also known as
140G-JTC3-C63 Ser A140G-JTC3-C63/A, Series A, Rev A
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