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Allen Bradley 140G MCB 140G-N5K3-E12

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140G-N5K3-E12

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The 140G-N5K3-E12 molded case circuit breaker by Allen-Bradley is designed for robust performance. With a 1200 Amp capacity and an interrupting rating of 50 kA, it features electronic LSIG protection which enhances its operational reliability.

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Ships from Raleigh, NC
2 Year DO Supply Warranty
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.
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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-N5K3-E12

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-N5K3-E12
Weight26.25 lbs (11.91 kg)
FrameN
Amps1200
Interrupting Rating50 kA
Protection TypeElectronic LSIG
Current Range1200 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life60 Operations/hr.
Electrical Life60 Operations/hr.
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The Allen-Bradley 140G-N5K3-E12 molded case circuit breaker is designed for significant electrical applications. This breaker, housed in an N frame, handles currents up to 1200 amps, which makes it suitable for high-load environments. With an interrupting capacity rated at 50 kA, it ensures effective operation during fault conditions.

This model is equipped with electronic LSIG protection, providing advanced safety features in various operational scenarios. It supports a rated insulation voltage rated at 1000 volts, offering reliable performance in high voltage applications. Furthermore, the device withstands impulse voltages of up to 8 kV, ensuring its durability under transient conditions.

Weighing 21.39 pounds, the 140G-N5K3-E12 is built for sturdy use while remaining manageable for installation and service. It is rated for mechanical and electrical lifetimes of 60 operations per hour, indicating its capability for stability and efficiency during typical industrial operations. This circuit breaker serves as a vital component for safeguarding electrical circuits in various industrial settings.

Revision Part #Also known as
140G-N5K3-E12 Ser A140G-N5K3-E12/A, Series A, Rev A
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