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Allen Bradley 140U MCB 140UE-M5D3-D80

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140UE-M5D3-D80

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The 140UE-M5D3-D80 is a high-capacity molded case circuit breaker developed by Allen Bradley. With an impressive amperage rating of 800 A, this device is engineered for robust electrical systems requiring reliable protection.

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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-M5D3-D80

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140UE-M5D3-D80
Weight20.00 lbs (9.07 kg)
UPC662074302571
Amperage800 Amperes
Poles3 Poles
FrameFrame M
Breaking Capacity50 kA
Rated Operational Voltage690 V AC
Trip TypeFixed Thermal / Adjustable Magnetic
HandleToggle-operated handle
Connection TypeFront-connected, screw terminals
Degree of ProtectionIP40
Operating Temperature40 °C
Altitude3000 m
Mounting MethodFixed panel-mounted
Power Loss (Heat Dissipation)93 W
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The Allen Bradley 140UE-M5D3-D80 forms part of the 140U MCB series, functioning as a molded case circuit breaker. Rated at an impressive 800 amperes, this device is suited for substantial electrical loads in various applications. It integrates three poles within a frame categorized as Frame M, ensuring robust functionality under demanding conditions.

The unit operates reliably at a rated voltage of up to 690 volts AC, making it highly effective for industrial use. With a breaking capacity of 50 kA, it provides critical protection against faults, helping to prevent circuit damage. The device offers fixed thermal and adjustable magnetic trip types, giving users flexibility in setting the protection levels based on specific application requirements.

For ease of operation, the 140UE-M5D3-D80 is equipped with a toggle-operated handle, facilitating straightforward control of the circuit breaker function. Front-connected screw terminals are utilized for electrical connections, ensuring secure and reliable connectivity.

Protection against environmental factors is categorized as IP40, suitable for indoor applications where some dust protection is necessary. This circuit breaker can operate in environments with temperatures reaching up to 40 °C and can be installed at altitudes of up to 3000 meters.

For fixed panel-mounted installations, this breaker is designed for efficient use of space. The power loss due to heat dissipation is rated at 93 watts, indicating thermal performance parameters that should be considered during installation. Overall, the 140UE-M5D3-D80 molded case circuit breaker from Allen Bradley is optimized for both performance and reliability in industrial settings.