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Allen Bradley 140U MCB 140UE-L5X3

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140UE-L5X3

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The Allen Bradley 140UE-L5X3 is a molded case circuit breaker with a robust design intended for handling electrical current safely. This circuit breaker operates with a rated current of 630 A and can manage voltages up to 690 VAC.

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Ships from Raleigh, NC
2 Year DO Supply Warranty
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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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 140UE-L5X3

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140UE-L5X3
UPC781180709913
Weight12.00 lbs (5.44 kg)
Number of Poles3 poles
Rated Current630 A
Rated Operational Voltage690 VAC
Minimum Frequency50 Hz
Maximum Frequency60 Hz
Trip Unit TypeThermal-Magnetic
Minimum Operating Temperature0 °C
Maximum Operating Temperature40 °C
Minimum Storage Temperature0 °C
Maximum Storage Temperature40 °C
Relative Humidity5 to 95% (Non-Condensing)
Installation Altitude1000 m
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The 140UE-L5X3 from Allen Bradley belongs to the 140U MCB series and serves as a molded case circuit breaker. This component is rated for a maximum operational current of 630 amperes and operates efficiently at voltages reaching 690 VAC. Designed with three poles, it ensures effective current interruption for enhanced electrical safety. The breaker utilizes a thermal-magnetic trip unit, allowing for reliable overload protection and shorter response times for fault conditions.

This circuit breaker supports operation across a frequency range of 50 Hz to 60 Hz, making it adaptable to standard electrical systems. The environmental specifications guarantee functionality in temperatures from 0 °C to 40 °C, ensuring performance consistency in various climate conditions. Additionally, it has established storage temperature parameters that mirror its operational limits, from 0 °C up to 40 °C.

Designed for ease of installation, it is suitable for environments at elevations up to 1000 meters above sea level without any loss of effectiveness. Furthermore, the unit can tolerate conditions of relative humidity from 5% to 95% without condensation, ensuring reliability in diverse settings. The 140UE-L5X3 is a robust option for applications requiring stringent safety standards and dependable circuit protection.