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Allen Bradley 140U MCB 140U-J0D3-D12

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140U-J0D3-D12

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The 140U-J0D3-D12, produced by Allen Bradley, is a current limiting circuit breaker designed for effective power management. This model features a maximum breaking current of 250 amperes and operates within a fixed thermal/magnetic trip unit technology. With a rated current of 125 amperes, it is built to handle significant electrical loads safely.

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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-J0D3-D12

ManufacturerAllen Bradley
Product TypeCurrent Limiting Circuit Breaker
Product Line140U MCB
Part Number140U-J0D3-D12
Weight5.63 lbs (2.55 kg)
GTIN10612598643278
Breaking Current250 A
Frame TypeJ Frame
Apparent Power100 kA
Trip Unit TechnologyFixed Thermal/Magnetic
Rated Current125 A
Minimum Operating Temperature0°C
Maximum Operating Temperature40°C
Minimum Storage Temperature-40°C
Maximum Storage Temperature80°C
Installation Altitude1000 m
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The Allen Bradley model 140U-J0D3-D12 is a current limiting circuit breaker that fulfills essential roles in power distribution and circuit protection. It features a J frame design, suitable for use in diverse electrical applications. The breaker can handle a breaking current of up to 250 A, providing critical safety features during overload conditions.

This unit is optimized for an operating temperature range from 0°C to 40°C, making it well-suited for standard environmental conditions. With an impressive rated current of 125 A, the circuit breaker ensures reliable operation under load. For storage, it can endure temperatures from -40°C to 80°C, providing flexibility in various storage environments.

The fixed thermal/magnetic trip unit technology of this circuit breaker ensures that it responds to overloads and short circuits swiftly and accurately. It has an apparent power rating of 100 kA, confirming its capability to manage significant electrical currents. Additionally, the breaker is designed for installation at altitudes up to 1000 meters, allowing for a broad range of installation scenarios in different settings.