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Allen Bradley 140G MCB 140G-KTI3-D40

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140G-KTI3-D40

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The 140G-KTI3-D40, an advanced molded case circuit breaker by Allen-Bradley, offers high performance for electrical systems. It features a K frame and can handle a maximum current of 400 Amps. This unit relies on an electronic LSIG protection system, providing efficient trip unit performance alongside an insulation rating of 1000 volts.

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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 140G-KTI3-D40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-KTI3-D40
Weight10.00 lbs (4.54 kg)
FrameK
Amps400
Interrupting RatingTrip Unit
Protection TypeElectronic LSIG
Current Range400 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The 140G-KTI3-D40 from Allen-Bradley is a robust molded case circuit breaker engineered for critical electrical applications. Rated for up to 400 amps, this device operates effectively in managing high loads. It utilizes a trip unit as its interrupting method, offering reliable performance and protection. Designed with an electronic LSIG system, the breaker supports precise overload and short-circuit protection.

This circuit breaker accommodates a rated insulation voltage of 1000 volts, making it suitable for use in demanding environments. In addition, the breaker can withstand impulse voltages up to 8 kV, which adds another layer of durability against electrical disturbances.

Weighing 7.17 pounds, the device is well-suited for installation in various control panels. Its mechanical rating allows for 120 mechanical operations per hour, while its electrical life allows it to perform efficiently at a rate of 60 electrical operations per hour. Overall, the 140G-KTI3-D40 is designed specifically for high-capacity electrical applications, ensuring safety and reliability across multiple infrastructure demands.

Revision Part #Also known as
140G-KTI3-D40 Ser A140G-KTI3-D40/A, Series A, Rev A
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