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Allen Bradley 140U MCB 140U-H2C3-C70-A

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140U-H2C3-C70-A

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The Allen Bradley 140U-H2C3-C70-A is a molded case circuit breaker suited for various electrical protection applications. It operates with a rated current of 70 A and features a fixed thermal and magnetic protection type.

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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 of our products come with DO Supply's 2-year warranty.
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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.

Technical specifications for 140U-H2C3-C70-A

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140U-H2C3-C70-A
UPC662073034179
Weight2.81 lbs (1.28 kg)
Interrupting Rating20-29 KA
Protection TypeFixed Thermal/Fixed Magnetic
Number of Poles3 Poles
Rated Current70 A
Frame SizeH Frame
Number of Auxiliary Contacts1 Contact
Minimum Operating Temperature0 Degrees Celsius
Maximum Operating Temperature40 Degrees Celsius
Relative Humidity80% (non-condensing)
Installation Altitude1000 m
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The 140U-H2C3-C70-A circuit breaker from Allen Bradley is a robust molded case device designed to ensure protection in electrical circuits. Operating at a rated current of 70 amperes, this breaker effectively safeguards electrical installations against overloads and short circuits. Its frame size is classified as H, providing ample space for connections and operations.

This circuit breaker features three poles, allowing for versatile application in multi-phase systems. With an interrupting rating ranging from 20 to 29 kiloamperes (KA), it is capable of handling significant fault conditions. The protection type is a fixed thermal and fixed magnetic system, ensuring reliable operation under different conditions.

To offer additional functionality, the device is equipped with one auxiliary contact. It can operate effectively within a temperature range from 0 degrees Celsius to 40 degrees Celsius, suitable for standard environments. Furthermore, it can be installed at an altitude of up to 1000 meters, maintaining performance stability up to 80% relative humidity, provided that the humidity remains non-condensing.