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140G-NS5I4-E12

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The 140G-NS5I4-E12 is a molded case circuit breaker made by Allen-Bradley, a division of Rockwell Automation. Operating with a maximum capacity of 1200 Amps, it features an interrupting rating of 50 kA for efficient circuit protection.

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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-NS5I4-E12

Manufacturer	Rockwell Automation
Brand	Allen-Bradley
Part Number/Catalog No.	140G-NS5I4-E12
Product Type	Molded Case Circuit Breaker
Frame	NS
Amps	1200
Interrupting Rating	50 kA
Protection Type	Electronic LSIG
Poles	4
Current Range	1200 A
Rated Insulation Voltage	1000V
Rated Impulse Withstand Voltage	8 kV
Weight	27.56 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-NS5I4-E12 molded case circuit breaker from Allen-Bradley is designed to manage high current demands with ease. This unit has an NS frame configuration, enabling it to handle a maximum current of 1200 Amps. With an interrupting capacity of 50 kA, it effectively provides protection against fault currents. It includes an advanced electronic LSIG protection system, which monitors and manages overload and short circuit conditions.

This circuit breaker is structured with four poles, making it suitable for various multi-phase applications. The rated insulation voltage reaches 1000 volts, allowing it to operate safely in high-voltage environments. Moreover, the 140G-NS5I4-E12 is rated to withstand impulse voltages up to 8 kV, giving it robust protection against transients.

At a weight of 27.56 pounds, this device is both sturdy and manageable. It is rated for a mechanical life of 60 operations per hour, which ensures long-term reliability for industrial applications. Additionally, it maintains the same electrical life rating of 60 operations per hour, underscoring its performance consistency under operational stress. The 140G-NS5I4-E12 is a dependable choice for protecting and controlling electrical systems.