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Allen Bradley 140U MCB 140U-J6D3-D20
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-J6D3-D20

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The 140U-J6D3-D20 circuit breaker comes with the fixed thermal and adjustable magnetic trips. It has a current rating of 200 Amps.

Ships Fri, May 16.
Order within 2 hrs 32 mins.
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Ships from Raleigh, NC
2 Year DO Supply Warranty
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.
Learn more
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Technical specifications for 140U-J6D3-D20

BrandAllen-Bradley / Rockwell Automation
Series140U MCB
Part Number140U-J6D3-D20
DescriptionMolded Case Circuit Breaker
Current200 Amperes
Series B
Frame J
Phase3
Poles3
Frequency60 Hertz
Voltage480 Volts AC
Interrupt65 kA
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-J6D3-D20 circuit breaker is a J Frame breaker from Allen-Bradley/Rockwell Automation. It is a Series B device with a current rating of 200 Amps. The breaker has 3 poles and it operates with an input supply voltage of 480 Volts AC. The operating frequency of the breaker is 60 Hertz with fixed thermal and adjustable magnetic trip options. It is a current limiting breaker device and it can be used with both single-phase and three-phase applications. The 140U-J6D3-D20 circuit breaker comes with an electrical switch that can help protect a circuit against overload and short circuit conditions. The basic function of the breaker is to break the current flow when an unusual condition is detected. A circuit breaker comprises contacts, a lever, an actuator mechanism, line and load terminals, and a thermal-magnetic trip. When an overcurrent condition takes place, it heats the bimetallic element in the breaker which changes its shape which in turn releases the lever and trips the circuit breaker and interrupts the circuit.

The Allen-Bradley 140U-J6D3-D20 circuit breaker can be bolted into place by using a bolt-on mounting base. It comes with a complete non-interchangeable trip and a long-time instantaneous trip function. The breaker can interrupt for 65 kA at 480 Volts AC. The breaker works with both a single-phase and a three-phase power supply. The power supply is connected to a breaker through a line terminal which is in the top part of the circuit breaker. A push-to-trip feature is available in the 140U-J6D3-D20 circuit breaker which is manually used to set the trip. This circuit breaker variant is widely used in the industrial sector for protecting machine circuits.

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