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Allen Bradley 140U MCB 140U-J2D3-D22
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-J2D3-D22

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The Allen-Bradley 140U-J2D3-D22 circuit breaker is an industrial circuit breaker with a molded case. It has been designed and manufactured as part of the Allen-Bradley Bulletin 140U circuit breaker series. The 140U-J2D3-D22 molded case circuit breaker comes in a Size J frame. It is CE-certified and it has 2 poles. The 140U-J2D3-D22 molded case circuit breaker supports thermal-magnetic tripping and it should not be used at temperatures above 40 degrees Celsius or 104 degrees Fahrenheit.

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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-J2D3-D22

BrandAllen-Bradley / Rockwell Automation
Series140U MCB
Part Number140U-J2D3-D22
Product Description Molded Case Circuit Breaker
Frame Size J
Frame Rating 250 Amps
No. of Poles 3
Interrupting Rating 25 Kiloamps
Protection Type Fixed Thermal/Adjustable Magnetic
Rated Operational Voltage 400/480 Volts AC
Amperage Rating 225 Amps
Frequency Rating 50/60 Hertz
Weight (approx.) 11.4 Pounds
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-J2D3-D22 Molded Case Circuit Breaker (MCCB) is a high-performance compact circuit breaker from Allen-Bradley/Rockwell Automation. It has a size J frame, 3 poles, and 250 Amps of rated frame current. The rated operational voltage of the circuit breaker is 400 to 480 Volts AC and the current rating is 225 Amps. It comes with 25 Kiloamps of interrupting rating and 11.4 pounds of approximate shipping weight. This circuit breaker is designed to open a circuit automatically on a predetermined overcurrent setting without injuring the circuit breaker itself. For that to function properly, it must be properly applied within its rating. The 140U-J2D3-D22 Molded Case Circuit Breaker has a high interrupting rating that is the maximum interrupting level of fault current that the circuit breaker can safely interrupt without damaging the breaker itself.

The 140U-J2D3-D22 Molded Case Circuit Breaker can be used for a wide range of voltages and frequencies with its adjustable trip settings. Its trip mechanism provides protection and isolation to the circuit. When selecting the MCCB, the application voltage, the current rating of the load to be protected, and the available short circuit current need to be taken into consideration. Large differences in the ambient temperature level can affect the operation of this magnetic thermal circuit breaker. During installation, make sure to mount the circuit breaker in a clean and dry environment. The housing of the contact structure is contained within a molded based that is finished with a molded lid. Its compact design and internal accessories that can be field-fitted make installations and configuration easy. The 140U-J2D3-D22 Molded Case Circuit Breaker is suitable to use in applications where the load to be expected to change.

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