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Allen Bradley 140U MCB 140U-Q6D3-D60

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140U-Q6D3-D60

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The 140U-Q6D3-D60 from Allen Bradley is a robust molded case circuit breaker designed for various applications. Its three-pole configuration ensures reliable protection and control for electrical systems.

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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-Q6D3-D60

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140U MCB
Part Number140U-Q6D3-D60
Weight35.00 lbs (15.88 kg)
UPC662073018162
Number of Poles3 Poles
Thermal Magnetic Trip TypeFixed Thermal, Adjustable Magnetic
Interrupting Capacity (240V)100 kA (240V AC, 50 Hz)
Interrupting Capacity (480V)65 kA (480V AC)
Interrupting Capacity (600V)18 kA (600V AC)
Interrupting Capacity (415V)70 kA (415V AC, 50 Hz)
Interrupting Capacity (690V)13 kA (690V AC, 50 Hz)
Frequency Rating50/60 Hz
Internal Accessory OptionsAux, Alarm, Shunt Trip, UV Release
Terminal TypeStandard Lugs (Cu/Al)
Mounting TypeFixed Panel Mount
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The Allen Bradley 140U-Q6D3-D60 is a molded case circuit breaker that provides essential circuit protection within electrical systems. Built with three poles, this breaker allows for effective distribution and management of electrical power. It integrates a dual trip mechanism, featuring a fixed thermal trip along with an adjustable magnetic trip, enhancing its operational reliability under varying load conditions.

This model showcases significant interrupting capacities across multiple voltage ratings, making it versatile for different applications. Specifically, it can handle up to 100 kA at 240V AC, 65 kA at 480V AC, 70 kA at 415V AC, and 18 kA at 600V AC. For even higher voltages, it accommodates interruptions of 13 kA at 690V AC. All these capacities operate efficiently within a frequency range of 50/60 Hz.

Internal accessory options available for this circuit breaker include auxiliary contacts, an alarm feature, shunt trip, and under-voltage release, allowing for customization based on user requirements. The connection terminals utilize standard lugs suitable for either copper or aluminum conductors, ensuring compatibility in various electrical installations. Additionally, the 140U-Q6D3-D60 is designed for fixed panel mounting which simplifies installation and integration into existing electrical infrastructure.