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Allen Bradley 140G MCB 140G-M0X4

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140G-M0X4

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The 140G-M0X4 is a high-capacity molded case circuit breaker from Allen-Bradley, suitable for demanding applications. Featuring a robust 800 amp rating, this unit has an impressive interrupting capacity of 100 kA. It is designed with a four-pole configuration and is rated for an insulation voltage of 1000 volts, offering solid performance in diverse environments.

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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-M0X4

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-M0X4
Weight20.00 lbs (9.07 kg)
FrameM
Amps800
Interrupting Rating100 kA
Protection TypeBreaker Frame
Poles4
Current RangeFrame Only
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-M0X4 is classified as a molded case circuit breaker engineered for significant electrical demands. This breaker features an 800 amp capacity, ensuring it can manage considerable current loads effectively. With a high interrupting rating of 100 kA, it is constructed to protect against overcurrent conditions safely.

This circuit breaker utilizes a four-pole configuration, making it suitable for robust applications. The frame type is designated as M, facilitating straightforward integration into existing systems. The device operates within a rated insulation voltage of 1000 volts, providing assurance against potential breakdowns in high-voltage scenarios.

An important highlight includes its ability to withstand impulse voltages up to 8 kV, enabling protection against electrical transients. The 140G-M0X4 weighs in at 33.29 pounds, reflecting its sturdy design. Operational lifespans are rated at 120 mechanical operations per hour and 60 electrical operations per hour, indicating its reliability for continuous, intensive use in industrial settings.

Revision Part #Also known as
140G-M0X4 Ser A140G-M0X4/A, Series A, Rev A
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