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Allen Bradley 140U MCB 140UE-H7E3-D12

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140UE-H7E3-D12

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The 140UE-H7E3-D12 model from Allen Bradley is a molded case circuit breaker designed with three poles and supporting a current rating of 125 A. It operates at a frequency of 50 Hz and is characterized by adjustable thermal trip settings from 0.8 to 1 xle, as well as a fixed short circuit trip setting of 10 xle.

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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 140UE-H7E3-D12

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breakers
Product Line140U MCB
Part Number140UE-H7E3-D12
Weight2.69 lbs (1.22 kg)
UPC781180709194
Number of Poles3 Poles
Frequency50 Hz
Short Circuit Trip SettingFixed (10 xle)
Thermal Trip SettingAdjustable (0.8 to 1 xle)
Terminal LugsStainless steel lugs
Enclosure TypeOpen Enclosure
Apparent Power70 kA
Current Rating125 A
Operating Temperature40 °C
Installation Altitude1000 m
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The Allen Bradley 140UE-H7E3-D12 is engineered as a molded case circuit breaker, providing dependable protection for electrical systems. With a robust construction featuring three poles, this circuit breaker is rated for 125 Amperes. The unit is designed to handle a frequency of 50 Hz effectively, making it applicable in various industrial environments.

This circuit breaker includes a fixed short circuit trip setting at 10 xle, which helps safeguard equipment from overload conditions. Additionally, it incorporates an adjustable thermal trip setting that ranges from 0.8 to 1 xle, allowing for tailored operation based on specific system requirements.

Constructed with stainless steel terminal lugs, this model provides enhanced durability and secure electrical connections. The open enclosure design facilitates easy maintenance and accessibility for installation. It has an apparent power rating of 70 kA, ensuring it can manage significant fault conditions. This circuit breaker is optimized for operation in environments where ambient temperatures can reach 40 °C and is rated for installation at altitudes up to 1000 meters.

Overall, the 140UE-H7E3-D12 provides reliable protection and meets essential electrical safety standards for a wide variety of applications.