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Allen Bradley 140U MCB 140U-M6L3-D80

Product image is representative; revision or series may vary. Contact us to request a specific version.

140U-M6L3-D80

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The 140U-M6L3-D80 from Allen Bradley is a molded case circuit breaker designed to provide reliable circuit protection. It features a robust M-frame construction and utilizes an electronic LS trip unit for precision operation.

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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 140U-M6L3-D80

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140U-M6L3-D80
Weight31.00 lbs (14.06 kg)
Frame TypeM-Frame
Poles3 Poles
Trip UnitElectronic LS Unit
Current Rating800 Amps
Thermal Trip Range200 to 800 Amps
Braking Capacity Range60-69 kA
Operating Temperature0 to 40 degrees Celsius
Storage Temperature0 to 50 degrees Celsius
Maximum Operating Humidity80% RH, non-condensing
Maximum Storage Humidity80% RH, non-condensing
Maximum Operating Altitude1000m above sea level
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The Allen Bradley 140U-M6L3-D80 serves as a molded case circuit breaker, engineered for solid performance in electrical systems. With an M-frame design, this device is tailored to manage robust electrical loads. Equipped with an electronic LS unit as its trip mechanism, it ensures reliable and accurate protective functions.

This circuit breaker features a current rating of 800 Amps and supports a thermal trip range extending from 200 to 800 Amps, providing flexibility in various applications. It is rated to withstand a braking capacity of between 60 kA and 69 kA, enhancing its capability to manage high fault currents.

Operational temperatures for this circuit breaker range from 0 to 40 degrees Celsius, with storage capabilities of up to 50 degrees Celsius. The 140U-M6L3-D80 is rated for a maximum humidity of 80% relative humidity under non-condensing conditions, assuring stable performance in moderately humid environments. Furthermore, it is designed to function effectively at altitudes reaching up to 1000 meters above sea level, making it suitable for diverse installation locations.