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 our products come with DO Supply's 2-year warranty.

Learn more

140G-M5I4-D60

Need a Specific Revision?

The 140G-M5I4-D60 is an Allen-Bradley molded case circuit breaker designed for high-capacity applications. With a robust amperage rating of 800 Amps, it features an interrupting rating of 50 kA and includes four poles. This model is equipped with electronic LSIG protection, ensuring effective circuit management.

Call for an immediate quote

2 Year DO Supply Warranty

Available

Ships from Raleigh, NC

Learn more

Warranty

We sell industrial automation parts backed by our 2-year DO Supply Warranty.
Shipping

Same-day domestic and expedited international shipping with UPS, FedEx, DHL, and more.
Payment Methods

AMEX, Visa, MasterCard, Discover, wire transfer, and more, plus flexible payment plans.
Repairs & Exchanges

Repair and exchange services for all existing automation products.
Reseller Options

Drop shipping, blind shipping, and account shipping with no extra fees.

Technical specifications for 140G-M5I4-D60

Manufacturer	Rockwell Automation
Brand	Allen-Bradley
Part Number/Catalog No.	140G-M5I4-D60
Product Type	Molded Case Circuit Breaker
Frame	M
Amps	800
Interrupting Rating	50 kA
Protection Type	Electronic LSIG
Poles	4
Current Range	600 A
Rated Insulation Voltage	1000V
Rated Impulse Withstand Voltage	8 kV
Weight	33.29 lb
Mechanical Life	120 Operations/hr.
Electrical Life	60 Operations/hr.

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.

View as PDF

Request a Repair

The 140G-M5I4-D60 from Allen-Bradley stands as part of the renowned 140G series of molded case circuit breakers. This particular model is engineered with a maximum current rating of 800 Amps, facilitating its use in demanding electrical environments. The unit features a frame classification of M, ensuring durability and compatibility for various installations.

With an interrupting rating of 50 kA, the breaker is capable of handling severe fault conditions, providing safety for connected equipment. For protection, the 140G-M5I4-D60 is designed with electronic LSIG functionality, allowing for precise monitoring and trip characteristics.

This device incorporates four poles, supporting complex circuit arrangements and delivering dependable performance. It can endure a current range of 600 A, which aligns well with industrial requirements. The proven insulation capability reaches up to 1000 volts and it withstands impulse voltages rated at 8 kV, underscoring its reliability.

Weighing 33.29 pounds, the unit is robust yet manageable for installation purposes. The mechanical endurance is rated at 120 operations per hour, ensuring longevity under typical usage conditions, while the electrical life is specified at 60 operations per hour. The 140G-M5I4-D60 is thus a critical component for effective circuit protection and management in various applications.