Free UPS Ground on All Orders!
Request a
Fast Quote
Account
Cart
Quote
+1 (919) 205-4392
Allen Bradley 140G MCB 140G-H3C4-C20

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

140G-H3C4-C20

|
Need a Specific Revision?

The 140G-H3C4-C20 is a molded case circuit breaker from Allen-Bradley, known for its robust performance in demanding applications. This device can handle up to 125 amps and features a reliable interrupting capacity of 35 kA. With fixed thermal and magnetic protection systems, this unit ensures effective safeguarding of electrical circuits.

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-H3C4-C20

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-H3C4-C20
Weight4.63 lbs (2.10 kg)
FrameH
Amps125
Interrupting Rating35 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Poles4
Current Range20 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
View as PDF
Request a Repair

The Allen-Bradley 140G-H3C4-C20 is a molded case circuit breaker designed for efficiency and durability in electrical systems. Rated for 125 amps, it is ideal for applications requiring reliable circuit protection. This breaker falls under the H frame category and has a substantial interrupting rating of 35 kA, ensuring safe disconnection in fault conditions.

It supports a four-pole configuration, which enhances its capability to manage various electrical loads. The current range it manages peaks at 20 A, making it suitable for multiple scenarios. Its thermal and magnetic protection features are fixed, helping to deliver consistent operation and preventing overloads.

With a rated insulation voltage of 1000 V, the 140G-H3C4-C20 can efficiently handle high-voltage applications while providing an impulse withstand voltage of 8 kV to tackle transient voltage spikes.

Additionally, this breaker weighs around 3.53 pounds, contributing to its compact and manageable design. The mechanical life is rated at an impressive 240 operations per hour, while its electrical life stands at 120 operations per hour, showcasing the unit's endurance in demanding environments.

Revision Part #Also known as
140G-H3C4-C20 Ser A140G-H3C4-C20/A, Series A, Rev A
Don't see your particular revision? Contact us now.