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Allen Bradley 140G MCB 140G-N5K4-E12-Z1

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140G-N5K4-E12-Z1

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The 140G-N5K4-E12-Z1 is a molded case circuit breaker from Allen-Bradley, designed for high-performance in various electrical applications. It supports a maximum rating of 1200 Amps, ensuring valuable protection for systems under heavy loads.

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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-N5K4-E12-Z1

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-N5K4-E12-Z1
Weight32.00 lbs (14.51 kg)
FrameN
Amps1200
Interrupting Rating50 kA
Protection TypeElectronic LSIG
Poles4
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-N5K4-E12-Z1 molded case circuit breaker serves as an essential component in high-capacity electrical systems. It operates effectively within an N-frame design with a rated capacity of 1200 Amps. This breaker is built to protect against fault currents, with an interrupting rating of 50 kA. Its advanced electronic LSIG protection system enables quick response to overload conditions, ensuring safeguarding of the electrical system.

With an insulation voltage rating of 1000V, the 140G-N5K4-E12-Z1 ensures reliable operation in demanding applications. This unit can manage impulse withstand voltages of up to 8 kV, further enhancing its robustness against sudden electrical surges.

Weighing in at 27.56 pounds, this molded case circuit breaker is suitable for installation in various environments. Both its mechanical and electrical life ratings stand at 60 operations per hour, highlighting the reliability and durability of the product. The inclusion of four poles allows for flexibility in application, making this circuit breaker an ideal solution for industrial settings requiring dependable performance.

Revision Part #Also known as
140G-N5K4-E12-Z1 Ser A140G-N5K4-E12-Z1/A, Series A, Rev A
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