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Allen Bradley 140U MCB 140U-H6C3-C30-MB

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140U-H6C3-C30-MB

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The Allen-Bradley/Rockwell Automation 140U-H6C3-C30-MB circuit breaker is a current-limited type of molded case circuit breaker. It is part of the Allen-Bradley/Rockwell Automation Bulletin 140U series. The 140U-H6C3-C30-MB molded case circuit breaker features 3 poles and all of its wiring should be done with copper wire that can withstand maximum ambient temperatures of 75 degrees Celsius. The circuit breaker itself can withstand maximum temperatures of 40 degrees Celsius. The 140U-H6C3-C30-MB molded case circuit breaker’s frame is a Size H frame.

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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-H6C3-C30-MB

ManufacturerAllen Bradley
CategoryPLCs
Product Line140U MCB
Part Number140U-H6C3-C30-MB
Weight5.00 lbs (2.27 kg)
DescriptionMolded Case Circuit Breaker
Current125 Amperes
FrameH
Voltage480 Volts AC
Phase3
Poles3
Interrupt rating65 kA at 480 Volts AC
Trip current rating30 Amperes
Temperature-25 - 60 degrees Celsius
Altitude2000 meters
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The 140U-H6C3-C30-MB circuit breaker is a fixed thermal/magnetic trip enabled circuit breaker manufactured by Allen-Bradley. It is a molded case circuit breaker with a current rating of 125 Amps. It comes in an H Frame and it supports different interrupt ratings. The trip current rating of the breaker is 30 Amps. It is equipped with the standard busbar mounting option. It is a Series A breaker device with a conformally coated enclosure. The 140U-H6C3-C30-MB circuit breaker has a metal frame and molded insulating material. The insulating material is of high quality and it lasts for a long period of time. The breaker is equipped with contacts (open and closed) which are used for connecting the circuit with the machine system. It has a trip unit which automatically responds in the case of a thermal overload, short circuit, or ground fault situations.

The 140U-H6C3-C30-MB circuit breaker comes with a voltage rating of 480 Volts AC. It has three poles and can work with both single-phase and three-phase power supplies. The current rating of the breaker is 30 Amps. The interrupt rating of the breaker is 65 kA at 480 Volts AC. The circuit breaker is used to carry the main load current without excessive heating and also withstand the heat that is produced due to the interrupting of the circuit. The environmental temperature should be maintained between -25 and 60 degrees Celsius for normal operation. The 140U-H6C3-C30-MB circuit breaker should be protected from electrostatic discharges to avoid damage to different machine components. The circuit breaker functions normally at up to a height of 2000 meters above sea level without losing its performance.