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Allen Bradley 140U MCB 140U-K6D3-D17

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140U-K6D3-D17

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The 140U-K6D3-D17 molded case circuit breaker is an Allen Bradley/Rockwell Automation Bulletin 140U molded case circuit breaker. It supports thermal/magnetic circuit protection. The thermal trip rating of the 140U-K6D3-D17 molded case circuit breaker is fixed, but the magnetic trip rating is adjustable. Its breaking capacity or interrupting ratings are 65 kiloamps at both 400 Volts and 480 Volts. The 140U-K6D3-D17 molded case circuit breaker’s current rating is 175 Amps.

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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-K6D3-D17

ManufacturerAllen Bradley
CategoryPLCs
Product Line140U MCB
Part Number140U-K6D3-D17
Weight32.00 lbs (14.51 kg)
Family140U-K
Type140U
Poles3
FrameK
Voltage Supply480V
Rated Current175A
Interrupting Rating65 kA
AIC Rating65 kA at 480V
Mechanical Life20,000 operations
Electrical Life7000 (400 A) to 5000 (630 A) operations
Ambient Temperature40 degrees Celsius (104 degrees Fahrenheit)
Storage Temperature40 to +80 degrees Celsius (-40 to +176 degrees Fahrenheit)
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The Allen Bradley 140U-K6D3-D17 Molded Case Circuit Breaker (MCCB) has a voltage supply of 480 Volts, a rated current of 175 Amps, and an interrupting rating of 65 kA. It is a K-Frame circuit breaker, it has a 3-pole configuration and an Ampere Interrupting Capacity (AIC) rating of 65 kA at 480 Volts. It offers both Fixed Thermal and Adjustable Magnetic protection. The internal control modules of the Allen Bradley 140U-K6D3-D17 Circuit Breaker are either field-installed or factory-installed. They include Auxiliary Contact (AX), Alarm Contact (AL), a combination of both Auxiliary/ Alarm Contacts (AX/AL), Shunt Trip (SNT), and Undervoltage Release (UVT) modules. The Molded Case Circuit Breaker has a mounting module which is a standard busbar module with rear connecting studs that are made to be used with only a 141A Mounting System. It is important to follow the relevant installation instructions prior to the installation of  any accessories.

The 140U-K6D3-D17 Circuit Breaker is manufactured by Allen Bradley/Rockwell Automation and it has various key features such as a compact design, an electronic trip unit rated at up to 400 Amps, and an extensive operating mechanism that suits a variety of panel configurations. The 140U-K6D3-D17 Circuit Breaker also has an interrupting capacity of 65 kA. Allen Bradley offers circuits with protection against ground fault, overload, and short-circuit situations. It is used in various applications such as busbar trunking tap-offs, panelboards, individual enclosures, and switchboard applications. The K-Frame circuit breakers have a mechanical lifespan of 20,000 operations or 120 operations per hour and an electrical life (at 415 Volts AC) of 7000 to 5000 operations at 400 to 630 Amps or 60 operations per hour. It has a maximum ambient temperature of 40 degrees Celsius (104 degrees Fahrenheit) without derating and a storage temperature range of -40 to 80 degrees Celsius (-40 to 176 degrees Fahrenheit).