Free UPS Ground on All Orders!
Request a
Fast Quote
Account
Cart
Quote
+1 (919) 205-4392
Allen Bradley 140G MCB 140G-K0F4-D40

Product image is representative; revision or series may vary. Contact us to request a specific version.

140G-K0F4-D40

|
Need a Specific Revision?

The model 140G-K0F4-D40 circuit breaker from Allen-Bradley is a crucial component in electrical safety systems. It is designed as a molded-case circuit breaker with a frame size classified as K. It supports up to 400 Amps of maximum current and provides a high interrupting capacity at 100 kA.

Call for an immediate quote
2 Year DO Supply Warranty
Available
Ships from Raleigh, NC
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
Learn more
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-K0F4-D40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-K0F4-D40
Weight10.00 lbs (4.54 kg)
FrameK
Amps400
Interrupting Rating100 kA
Protection TypeAdjust Thermal/ Adjust Magnetic
Poles4
Current Range400 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life120 Operations/hr.
Electrical Life60 Operations/hr.
View as PDF
Request a Repair

The 140G-K0F4-D40 molded case circuit breaker by Allen-Bradley and Rockwell Automation is designed for installation and operation in demanding industrial settings. With a maximum current capacity of 400 amps, the breaker emphasizes reliability during high-load scenarios. It achieves a maximum interrupting rating of 100 kA for protecting against faults and ensuring the safety of attached equipment.

Engineered with four poles, this breaker model employs adjustable thermal and magnetic protection, which allows for customization based on the specific electrical system requirements. The rated insulation voltage is 1000 volts, making it suitable for high-voltage environments. Additionally, the rated impulse withstand voltage of 8 kV offers extra security against transient conditions.

At a weight of 9.15 pounds, the 140G-K0F4-D40 is designed for easy installation and operation. It has a mechanical life rated at 120 operations per hour, stressing its durability under mechanical wear. The breaker's electrical life is rated at 60 operations per hour, confirming its endurance in typical usage scenarios. This combination of features makes the 140G-K0F4-D40 a crucial element for maintaining operational integrity in modern electrical systems.

Revision Part #Also known as
140G-K0F4-D40 Ser A140G-K0F4-D40/A, Series A, Rev A
Don't see your particular revision? Contact us now.