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Allen Bradley 140U MCB 140U-Q6X3

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140U-Q6X3

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The 140U-Q6X3 from Allen Bradley serves as a robust molded case circuit breaker, capable of handling a rated current of 600 Amperes. It operates within frequency limits of 50 to 60 Hz and offers substantial breaking capacities at varying voltage ratings.

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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-Q6X3

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140U-Q6X3
UPC611320844412
Weight18.00 lbs (8.16 kg)
Rated Current600 A
Minimum Frequency50 Hz
Maximum Frequency60 Hz
Breaking Capacity @ 220-240 V100 kA
Breaking Capacity @ 380-415 V70 kA
Compatible Frame TypeQ Frame
Number of Poles3 Poles
Operating Temperature Range-25 to 60 °C
Storage Temperature Range-40 to +80 °C
Installation Altitude1000 m
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The 140U-Q6X3 circuit breaker by Allen Bradley is constructed as a molded case type, delivering efficient performance in a variety of industrial applications. It manages up to 600 Amperes of rated current, making it suitable for substantial loads. This breaker operates effectively across a frequency range of 50 Hz to 60 Hz.

In terms of safety measures, the 140U-Q6X3 provides impressive breaking capacities, rated at 100 kA for voltages between 220 and 240 V, and 70 kA for voltages from 380 to 415 V. Its design accommodates a three-pole configuration. This fabricated piece adheres to the Q Frame type, which is beneficial for specific installation scenarios.

The operating temperature range for this circuit breaker spans from -25 °C to 60 °C, ensuring reliable operation under varying environmental conditions. Additionally, the component can be stored in temperatures from -40 °C up to 80 °C, enhancing its adaptability in diverse climates. Designed for installations at altitudes up to 1000 meters, the 140U-Q6X3 is versatile enough to cater to several industrial setups.