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Allen Bradley 140U MCB 140U-JD6D3-D10
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 our products come with DO Supply's 2-year warranty.
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140U-JD6D3-D10

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The Allen-Bradley/Rockwell Automation 140U-JD6D3-D10 Circuit Breaker is a Molded Case Circuit Breaker or MCCB that is designed to protect industrial machines from excessive or erratic currents. This device is UL and IEC certified. This circuit breaker is meant to operate at the full extent of its powers at a maximum ambient temperature of 104 degrees Fahrenheit or 40 degrees Celsius.

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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 our products come with DO Supply's 2-year warranty.
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Technical specifications for 140U-JD6D3-D10

BrandAllen-Bradley / Rockwell Automation
Series140U MCB
Part Number140U-JD6D3-D10
Product TypeMolded case circuit breaker
Maximum operating temperature104 degrees Fahrenheit
Maximum operating altitude6000 feet above sea level
UL certifiedYes
IEC certifiedYes
Product purposeProtecting machines from dangerous currents
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.

The Allen-Bradley/Rockwell Automation 140U-JD6D3-D10 Circuit Breaker is a Molded Case Circuit Breaker or MCCB that is designed to protect industrial machines from excessive or erratic currents. The 140U-JD6D3-D10 Circuit Breaker will trip and stop the flow of electric current in a machine when it is triggered by a current that is equal to or higher than its maximum current setting. This device will help to prevent power loss, lost work time and productivity, extensive machine damage, fires, and injury to the users. This device is UL and IEC certified. The 140U-JD6D3-D10 Molded Case Circuit Breaker must operate in its specified temperature range at all times because excessive heat may damage it or cause it to trip when nothing is wrong with the level of electric current in the host machine. This circuit breaker is meant to operate at the full extent of its powers at a maximum ambient temperature of 104 degrees Fahrenheit or 40 degrees Celsius.

The Allen-Bradley/Rockwell Automation 140U-JD6D3-D10 Molded Case Circuit Breaker can operate a temperature higher than 104 degrees Fahrenheit or 40 degrees Celsius too, but it must be derated first and its operating will be limited. It must also be derated if it is installed in an industrial environment located at an altitude higher than 6000 feet or 1829 meters above sea level because the thin air found at high altitudes makes it more difficult for the circuit breaker to be air-cooled or to maintain a stable operating temperature. The 140U-JD6D3-D10 Circuit Breaker can be mounted in almost any position, but it is a violation of the National Electrical Code Article 240-81 to mount this circuit breaker in a vertical position where the on-switch position is pointing down instead of up.

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