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Allen Bradley 140G MCB 140G-KTF4-D30

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140G-KTF4-D30

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The 140G-KTF4-D30 is a molded-case circuit breaker from Allen-Bradley. It is designed to handle substantial electrical loads and has a maximum rating of 400 Amps. This model features a K-frame type and a protection system utilizing adjustable thermal and magnetic trip settings, 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-KTF4-D30

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-KTF4-D30
Weight3.00 lbs (1.36 kg)
FrameK
Amps400
Interrupting RatingTrip Unit
Protection TypeAdjustable Thermal/ Adjustable Magnetic
Poles4
Current Range300 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
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Designed for high performance and reliability, the Allen-Bradley 140G-KTF4-D30 is a robust molded-case circuit breaker. Operating with a maximum current of 400 Amps, it manages substantial electrical demands in diverse applications. The circuit breaker incorporates an adjustable thermal and magnetic trip mechanism, providing the flexibility needed to suit various operational requirements.

This particular model features four poles, making it adaptable for three-phase systems. Additionally, it supports a rated current range that reaches up to 300 Amps. The breaker's safety ratings are impressive, with a rated insulation voltage of 1000 volts ensuring its capability in high-voltage environments. Furthermore, it withstands impulse voltages of up to 8 kV, safeguarding the system against transient surges.

This unit weighs 9.15 pounds and is manageable for installation tasks. Its performance ratings include a mechanical life of 120 operations per hour, which makes it suitable for regular use. Meanwhile, the electrical life is recorded at 60 operations per hour, confirming its reliability throughout its operational lifespan. Overall, the 140G-KTF4-D30 circuit breaker is an essential component for ensuring safe and efficient power distribution in industrial settings.

Revision Part #Also known as
140G-KTF4-D30 Ser A140G-KTF4-D30/A, Series A, Rev A
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