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Allen Bradley 140U MCB 140U-J0D3-D12
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-J0D3-D12

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The 140U-J0D3-D12 circuit breaker is a version of theĀ 140U Series Molded Case Circuit Breaker (MCCB) designed and manufactured by Allen-Bradley. This circuit breaker is a 3-pole, J-Frame overcurrent protection device with a continuous current rating of 120 Amps. Its Interrupting Rating/Breaking Capacity is rated at less than or equal to 100 kA. The Allen-Bradley 140U-J0D3-D12 Molded Case Circuit Breaker provides both thermal and magnetic protection against over-currents. The tripping point for thermal protection is not adjustable by the users, but the magnetic tripping point can be calibrated by using the adjusting wheel located at the front side of the case.

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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-J0D3-D12

BrandAllen-Bradley / Rockwell Automation
Series140U MCB
Part Number140U-J0D3-D12
Type of ComponentMolded Case Circuit Breaker
FrameJ-frame
Number of Poles3 poles
Current Rating 120 A
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 140U-J0D3-D12 Circuit BreakerĀ is a 140U Series Molded Case Circuit Breaker (MCCB) designed and manufactured by Allen-Bradley. This circuit breaker is a 3-pole, J-Frame overcurrent protection device with a continuous current rating of 120 Amps. Its Interrupting Rating/Breaking Capacity is rated at less than or equal to100 kA. The Allen-Bradley 140U-J0D3-D12 Molded Case Circuit Breaker provides both thermal and magnetic protection against over-currents. The tripping point for thermal protection is not adjustable by the users, but the magnetic tripping point can be calibrated by using the adjusting wheel that is located onĀ the front side of the case. Like the other circuit breakers inĀ the 140U family, the Allen-Bradley 140U-J0D3-D12 Circuit BreakerĀ is an inverse time protection device that varies its response speed according to the magnitude of the incoming overcurrent. Its gets disconnected faster when the incoming overcurrent is higher in magnitude and takes a longer time to disconnect when the incoming overcurrent is not so high.

The Allen-Bradley 140U-J0D3-D12 Molded Case Circuit Breaker Horsepower ratings will depend on the operation voltage rating. The Horsepower rating isĀ 20 HorsepowerĀ at 200 Volts AC, 20 HorsepowerĀ at 380 to 415 Volts AC, 40 HorsepowerĀ at 460 Volts AC, and 50Ā Horsepower at 575 Volts AC.Ā Accessories from Allen-Bradley may be added to the 140U-J0D3-D12 Inverse Time Circuit Breaker, including but not limited to Auxiliary Contacts, Flex Cable Operators, Internal Control Modules, and Rotary Operators. The IP protection rating of the circuit breaker is very low, so the Allen-Bradley 140U-J0D3-D12 Circuit Breaker should not be exposed to the typical industrial atmospheres but in a protected enclosure, in order to extend its lifecycle and prevent accidents.

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