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Allen Bradley 140U MCB 140UE-M7X3

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140UE-M7X3

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The 140UE-M7X3 from Allen Bradley is a molded case circuit breaker, designed for heavy-duty applications with a rated current of 800 A. This circuit breaker offers protection with interrupting ratings ranging from 70 kA to 79 kA, making it suitable for demanding environments.

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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-M7X3

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140UE-M7X3
Weight15.00 lbs (6.80 kg)
GTIN10781180710176
Rated Current800 A
Minimum Interrupting Rating70 kA
Maximum Interrupting Rating79 kA
Protection TypeFrame Only
Number of Poles3 Poles
Minimum Frequency50 Hz
Maximum Frequency60 Hz
Operating Temperature Range-25 to 75°C
Storage Temperature Range-40 to 80°C
Installation Altitude1000 m
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The Allen Bradley 140UE-M7X3 is classified as a molded case circuit breaker, ideal for circuits that require a reliable protective device. Capable of handling a rated current of 800 A, it is well-equipped for robust industrial use. With a minimum interrupting capacity of 70 kA and a maximum of 79 kA, this device provides substantial short-circuit protection.

This circuit breaker is designed with a frame-only protection type, allowing for straightforward integration within panels or systems requiring three-pole connections. Operating at frequencies from 50 Hz to 60 Hz ensures compatibility with standard electrical systems.

Temperature performance is another noteworthy aspect, as it operates effectively between -25°C and 75°C. Additionally, it can be stored in temperatures ranging from -40°C to 80°C, qualifying it for a variety of environments. For installations, the breaker supports altitudes up to 1000 m. With its combination of high performance and sturdy construction, the 140UE-M7X3 is an effective solution for circuit protection in demanding applications.