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Allen Bradley 140U MCB 140U-J6D3-D15

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140U-J6D3-D15

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The Allen Bradley 140U-J6D3-D15 circuit breaker is a reliable molded case type, designed for robust protection in electrical systems. With a frame size rated for up to 250 A, it features a three-pole configuration that efficiently handles various loads.

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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-J6D3-D15

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140U-J6D3-D15
UPC662072093696
Weight5.75 lbs (2.61 kg)
Frame SizeJ frame 250 A
Circuit Configuration3 Poles
240 V Interrupting Capacity100 kA at 60 Hz
480 V Interrupting Capacity65 kA at 60 Hz
600 V Interrupting Capacity25 kA at 60 Hz
Current LimitingYes
Trip Unit TypeThermal-magnetic or electronic
Short-Circuit Trip2–14 × Ie adjustable
Thermal Trip0.4–1 × Ie adjustable
Overcurrent ProtectionThermal-Magnetic / Electronic
Short-Circuit Adjustment Range5-10 x Ie or 2-14 x Ie
Overload Adjustment RangeFixed or 0.4-1.0 x Ie
Terminal TypeAluminum lugs
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The model 140U-J6D3-D15 from Allen Bradley is engineered as a molded case circuit breaker that performs reliably in safeguarding electrical circuits. Capable of handling a frame amperage of 250 A, it supports a three-pole circuit configuration.

This device is designed with robust interruption ratings, boasting capabilities of 100 kA at 240 V, 65 kA at 480 V, and 25 kA at 600 V, all at a frequency of 60 Hz. It incorporates a current limiting feature that enhances safety and reliability. Users can select the trip unit type to be either thermal-magnetic or electronic based on application needs.

The short-circuit trip settings are adjustable, allowing a range from 2 to 14 times the rated current (Ie), while the thermal trip can be set anywhere from 0.4 to 1 times Ie. Overcurrent protection is catered to through both thermal-magnetic and electronic methods, providing flexibility in system design. The short-circuit adjustment range allows options between 5-10 x Ie or 2-14 x Ie, accommodating various circuit requirements. In addition, the overload adjustment can be fixed or set to a range of 0.4-1.0 x Ie for tailored protection.

Terminal connections are made easy with aluminum lugs, facilitating sturdy and reliable connections. The 140U-J6D3-D15 is a versatile choice, applicable across numerous industrial environments where dependable circuit protection is crucial.