Free UPS Ground on All Orders!
Request a
Fast Quote
Account
Cart
Quote
+1 (919) 205-4392
Allen Bradley 140G MCB 140G-K6H4-D40

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

140G-K6H4-D40

|
Need a Specific Revision?

The 140G-K6H4-D40 is a molded case circuit breaker from Allen-Bradley. It is designed for robust circuit protection, offering a maximum current capacity of 400 Amps and an interrupting rating of 65 kA. With an electronic LSI protection mechanism, this unit ensures safe operation in demanding environments.

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-K6H4-D40

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-K6H4-D40
Weight32.00 lbs (14.51 kg)
FrameK
Amps400
Interrupting Rating65 kA
Protection TypeElectronic LSI
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 Allen-Bradley 140G-K6H4-D40 circuit breaker, classified as a molded case type, is engineered for intensive industrial applications. This unit from Rockwell Automation features a K-frame design. Operationally, it supports a maximum current of 400 Amps, making it suitable for high-load environments. The breaker provides an interrupting rating of 65 kA, crucial for handling significant fault conditions efficiently.

This breaker model incorporates electronic LSI protection, allowing it to offer precise and reliable trip operations. It has four poles, further enhancing its versatility in various wiring configurations. The unit operates effectively within a rated insulation voltage of 1000V, ensuring it can safely manage significant power loads. Additionally, the rated impulse withstand voltage is specified at 8 kV, providing further resilience against surges and transient voltages.

At 9.15 pounds, the 140G-K6H4-D40 is designed for ease of installation without compromising durability. This breaker's mechanical life is rated at 120 operations per hour, while its electrical life is rated at 60 operations per hour. These ratings affirm its capacity for reliable operation over extended periods, making it a critical component in various electrical systems.

Revision Part #Also known as
140G-K6H4-D40 Ser A140G-K6H4-D40/A, Series A, Rev A
Don't see your particular revision? Contact us now.