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Allen Bradley 140G MCB 140G-N5I3-E12-Z1

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140G-N5I3-E12-Z1

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The 140G-N5I3-E12-Z1 is a molded case circuit breaker available from Allen-Bradley, under the Rockwell Automation umbrella. It features a maximum current rating of 1200 Amps and delivers an interrupting capacity of 50 kA, ensuring robust performance in demanding environments.

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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-N5I3-E12-Z1

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-N5I3-E12-Z1
Weight32.00 lbs (14.51 kg)
FrameN
Amps1200
Interrupting Rating50 kA
Protection TypeElectronic LSIG
Current Range1200 A
Rated Insulation Voltage1000V
Rated Impulse Withstand Voltage8 kV
Mechanical Life60 Operations/hr.
Electrical Life60 Operations/hr.
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The Allen-Bradley 140G-N5I3-E12-Z1 represents an advanced molded case circuit breaker designed for a range of industrial applications. This product is classified under the N frame type, allowing it to handle high capacity. With a maximum operating current of 1200 Amps, the circuit breaker ensures effective load management and protection.

The 140G-N5I3-E12-Z1 is equipped with electronic LSIG protection, which enhances its ability to safeguard against overload and short circuits. It contributes to minimizing potential damage in electrical systems. This model's interrupting rating is notable, being rated at 50 kA, which underscores its capability to deal with high fault currents.

Rated insulation voltage reaches up to 1000 volts, making it suitable for high-voltage scenarios. Furthermore, the breaker is designed to withstand impulse voltages of 8 kV, adding a layer of protection against voltage spikes. Its weight of 21.39 pounds aids in installation and maintains a robust structure.

This molded case circuit breaker supports a mechanical and electrical life of 60 operations per hour, ensuring longevity and dependability. Such specifications establish the 140G-N5I3-E12-Z1 as a reliable option for enhanced safety in electrical systems.

Revision Part #Also known as
140G-N5I3-E12-Z1 Ser A140G-N5I3-E12-Z1/A, Series A, Rev A
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