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Allen Bradley 140G MCB 140G-KTF3-D30

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140G-KTF3-D30

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The 140G-KTF3-D30 model from Allen-Bradley is a molded case circuit breaker designed for robust protection. This unit features adjustable thermal and magnetic protection and operates at 400 Amps of maximum current. It also has an impressive interrupting rating through its trip unit design, making it suitable for various applications.

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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-KTF3-D30

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-KTF3-D30
Weight1.69 lbs (0.77 kg)
FrameK
Amps400
Interrupting RatingTrip Unit
Protection TypeAdjustable Thermal/ Adjustable Magnetic
Current Range300 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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The 140G-KTF3-D30 circuit breaker by Allen-Bradley is engineered for effective circuit protection in demanding environments. It belongs to the 140G series and is classified as a molded case circuit breaker with a KC frame design. The device can handle a maximum current rating of 400 Amps, ensuring it is well-suited for a variety of applications requiring substantial electrical handling.

This breaker model's rated insulation voltage can reach up to 1000 volts, making it versatile for use in industrial electrical systems. The device is equipped with adjustable thermal and magnetic protection features, allowing customization according to specific operational needs. With a rated current set at 300 Amps, the breaker is designed to safeguard circuits effectively from overloads and short-circuit conditions.

In terms of durability and performance, the 140G-KTF3-D30 weighs 7.17 pounds, making it manageable for installation while maintaining structural integrity. The equipment is intended for frequent use, with a mechanical life rated at 120 operations per hour and an electrical life rated at 60 operations per hour. Furthermore, it can withstand impulse voltages up to 8 kV, enhancing its reliability amidst voltage surges. The 140G-KTF3-D30 serves as a critical component for ensuring the safety and stability of electrical systems.

Revision Part #Also known as
140G-KTF3-D30 Ser A140G-KTF3-D30/A, Series A, Rev A
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