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140G-N5I3-E12

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The 140G-N5I3-E12 is a molded case circuit breaker designed for high-capacity applications. It supports a maximum current of 1200 Amps and features electronic LSIG protection, ensuring reliable performance and safety. Rated for an interrupting capacity of 50 kA, it is well-equipped for demanding industrial environments.

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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.

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Technical specifications for 140G-N5I3-E12

Manufacturer	Rockwell Automation
Brand	Allen-Bradley
Part Number/Catalog No.	140G-N5I3-E12
Product Type	Molded Case Circuit Breaker
Frame	N
Amps	1200
Interrupting Rating	50 kA
Protection Type	Electronic LSIG
Current Range	1200 A
Rated Insulation Voltage	1000 V
Rated Impulse Withstand Voltage	8 kV
Weight	21.39 lb
Mechanical Life	60 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.

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The 140G-N5I3-E12 is a molded case circuit breaker manufactured by Rockwell Automation under the Allen-Bradley brand. This circuit breaker is engineered for robust performance in industrial settings. It operates with a maximum amp rating of 1200 A, allowing it to accommodate significant current loads. This model is configured in an N frame, optimized for high power applications.

Featuring an interrupting rating of 50 kA, the 140G-N5I3-E12 provides essential protection against electrical faults, helping to safeguard connected equipment. The device employs electronic LSIG protection, which enhances its capability to detect and respond to overload and fault conditions effectively.

The breaker is rated for an insulation voltage of 1000 volts, ensuring safe operation in demanding electrical environments. Additionally, it can withstand impulse voltages of 8 kV, making it resistant to transient surges that can occur in electrical systems.

Weighing in at 21.39 pounds, the 140G-N5I3-E12 has a specified mechanical life and electrical life of 60 operations per hour each, demonstrating its reliability and suitability for continuous functionality in various industrial applications. This combination of features makes this molded case circuit breaker a crucial component for maintaining power system integrity.