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Allen Bradley 140G MCB 140G-K0F3-D30

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140G-K0F3-D30

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The 140G-K0F3-D30 is a specialized molded-case circuit breaker from Allen-Bradley designed to offer high reliability and performance. Its frame type is classified as type K. It is rated for a substantial maximum current capacity of 400 Amps and provides an interrupting rating of 100 kA, suitable for managing significant fault currents.

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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-K0F3-D30

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-K0F3-D30
Weight32.00 lbs (14.51 kg)
FrameK
Amps400
Interrupting Rating100 kA
Protection TypeAdjustable Thermal/ Adjustable Magnetic
Current Range300 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The Allen-Bradley 140G-K0F3-D30, part of Rockwell Automation's 140G MCB series, is a molded-case circuit breaker. It is engineered for high-performance applications and features a K frame designation. It supports a maximum current rating of 400 Amps, ensuring robust protection for electrical circuits.

The unit's interrupting capacity, rated at 100 kA, allows it to effectively mitigate fault currents, enhancing overall system reliability. Designed with adjustable thermal and magnetic protection technology, the 140G-K0F3-D30 provides the flexibility needed to tailor its circuit protection based on specific system requirements. It can manage up to 300 A of rated current and is constructed to withstand insulation voltages rated at 1000 volts.

Additionally, the circuit breaker possesses a rated impulse withstand voltage of 8 kV, promoting resilience against voltage spikes. Weighing 7.17 pounds, it distinguishes itself with a mechanical life rating of 120 operations per hour. Furthermore, the electrical life rating is 60 operations per hour, reflecting its capability to endure extensive usage in industrial settings. The 140G-K0F3-D30 is a vital component for ensuring continuous operation and safety in electrical systems.

Revision Part #Also known as
140G-K0F3-D30 Ser A140G-K0F3-D30/A, Series A, Rev A
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