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Allen Bradley 140U MCB 140U-L6D3-D60

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140U-L6D3-D60

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The Allen Bradley 140U-L6D3-D60 is a robust molded case circuit breaker with a high current rating of 600 A, ensuring reliability in demanding environments. Engineered for three-pole configurations, it operates effectively at voltage ratings up to 600 VAC and offers substantial interrupt ratings at both 480 V and 600 V.

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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-L6D3-D60

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140U-L6D3-D60
Weight32.00 lbs (14.51 kg)
Number of Poles3-poles
Frame SizeL Frame
Rated Current600 A
Voltage Rating (UL/CSA)600 VAC
Interrupt Rating at 480 V65 kA
Interrupt Rating at 600 V25 kA
Trip Unit TypeFixed Thermal / Adjustable Magnetic
Minimum Frequency50 Hz
Maximum Frequency60 Hz
IP RatingIP2X
Installation Altitude1000 m
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The 140U-L6D3-D60 from Allen Bradley is designed as a molded case circuit breaker, ideal for substantial current management. With an impressive rated current capacity of 600 Amperes, it is specifically structured with three poles and an L Frame type for enhanced functionality. This unit supports voltage ratings of up to 600 VAC following UL/CSA standards. It is equipped with interrupt ratings that reach 65 kA at 480 Volts and 25 kA at 600 Volts, allowing it to safely conduct and interrupt high fault currents. The trip mechanism combines fixed thermal protection with an adjustable magnetic option, ensuring effective overload and short-circuit protection. Operating within a frequency range of 50 to 60 Hertz, the 140U-L6D3-D60 is versatile for various industrial applications. Its IP2X rating enhances safety by protecting against contact with hazardous parts, making it suitable for installations in diverse environments. Additionally, this circuit breaker can be installed at altitudes of up to 1000 meters, further extending its usability in varying conditions.