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Allen Bradley 140U MCB 140U-I-CLC70
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140U-I-CLC70

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The Allen-Bradley 140U-I-CLC70 is the catalog number of an optional accessory for the I-Frame, 140U family of Molded Case Circuit Breakers (MCCB). It is a 3-pole, 70 Amps current limiter. This optional accessory can be added to any circuit breaker of the 140U family, specifically the ones with an I-Frame, in order to maintain the maximum level of overcurrent that is permissible under the rated values. The Allen-Bradley 140U-I-CLC70 current limiter's main function is to limit the energy supplied to downstream components. It provides enhanced protection and turns the 140U-I circuit breakers into current-limiting devices capable of opening the circuits in less than half of a cycle under fault conditions.

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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-I-CLC70

BrandAllen-Bradley / Rockwell Automation
Series140U MCB
Part Number140U-I-CLC70
Typeof componentCurrent Limiter
Current Rating70 A
Number of Poles3 Pole
FrameI-frame
Interrupting Rating200 A
Rated Voltage6000 VAC
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 140U-I-CLC70 current limiter is an optional accessory for the I-Frame, 140U family of Molded Case Circuit Breakers (MCCB). It is a 3-pole, 70 Amps rated current limiter. This optional accessory can be added to any Circuit Breaker of the 140U family, specifically the ones with an I-Frame, to maintain the maximum level of overcurrent that is permissible under the rated values. The Allen-Bradley 140U-I-CLC70 current limiter's main function is to limit the energy that is supplied to downstream components. It provides enhanced protection and turns the 140U-I circuit breakers into current-limiting devices that are capable of opening the circuits in less than half of a cycle under fault conditions.

The Allen-Bradley 140U-I-CLC70 70A current limiter should only be installed on the load side of the circuit breaker. It has an interrupting rating of 200 Amps when used with I-frame breakers. These current limiters can be added to any I-Frame breaker of the 140U product family in the range of 15 to 70 Amps. Like any circuit breaker and all of its related accessories, the Allen-Bradley 140U-I-CLC70 70A current limiter has an open-type of construction and should never be placed under constantly humid or dirty conditions. Mounting the device inside of a protected enclosure or in a specially designed room is the best practice to follow. Failure to do so could result in serious accidents. A highly qualified technician should perform all major work on the device because the high levels of energy this piece of equipment can handle are more than enough to cause severe personal injuries, equipment damage, or even death.

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