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Allen Bradley 140G MCB 140G-M0F4-D63

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140G-M0F4-D63

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The Allen-Bradley 140G-M0F4-D63 is engineered as a highly capable molded case circuit breaker. It operates at a maximum current of 800 Amps and is rated for interrupting currents of up to 100 kA, suitable for demanding electrical systems.

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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-M0F4-D63

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-M0F4-D63
Weight32.00 lbs (14.51 kg)
FrameM
Amps800
Interrupting Rating100 kA
Protection TypeAdjust Thermal/ Adjust Magnetic
Poles4
Current Range630 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The 140G-M0F4-D63 is a molded case circuit breaker produced by Allen-Bradley, part of Rockwell Automation. This circuit breaker features a robust M frame and is designed to handle a maximum current of 800 Amps. Its high interrupting capacity of 100 kA allows it to effectively handle faults and protect equipment.

The breaker's unique design includes four poles and supports a rated current of 630 A, allowing for flexibility in various configurations. Its protection methods consist of adjustable thermal and magnetic settings, tailoring performance to application-specific needs. The rated insulation voltage is a substantial 1000 volts, which ensures safe operation in high-voltage environments.

Additionally, the breaker can withstand impulse voltages of up to 8 kV, enhancing its resilience against transient conditions. Weighing in at 33.29 lbs., it provides a solid construction appropriate for industrial use. The breaker can support 120 mechanical operations per hour and 60 electrical operations per hour for dependable performance with frequent cycling.

Revision Part #Also known as
140G-M0F4-D63 Ser A140G-M0F4-D63/A, Series A, Rev A
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