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Allen Bradley 140G MCB 140G-N0H3-E12-Z1

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140G-N0H3-E12-Z1

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The 140G-N0H3-E12-Z1 molded case circuit breaker is designed for high performance. Built by Allen-Bradley under Rockwell Automation, this unit supports current ratings up to 1200 Amps. It features an electronic LSI protection type and possesses an interrupting rating of 100 kA, which provides reliable circuit protection.

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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-N0H3-E12-Z1

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-N0H3-E12-Z1
Weight32.00 lbs (14.51 kg)
FrameN
Amps1200
Interrupting Rating100 kA
Protection TypeElectronic LSI
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-N0H3-E12-Z1 is a robust molded case circuit breaker that serves critical functions in electrical systems. Designed to operate effectively under high demand, this breaker features a maximum current capacity of 1200 Amps. Its performance is enhanced with an interrupting rating of 100 kA, which guarantees the ability to manage fault conditions effectively each time it is activated.

Constructed with a frame type designated as N, this breaker provides protections through its electronic LSI type, optimizing safety and functionality. It is rated for an insulation voltage of 1000 volts, which allows it to operate safely in high-voltage environments. Moreover, the 140G-N0H3-E12-Z1 has rated impulse withstand capabilities of 8 kV, making it resilient in scenarios where transient voltages might occur.

Weighing 21.39 pounds, this circuit breaker’s design takes into account ease of installation while still maintaining reliability. Furthermore, it offers a mechanical life capability of 60 operations per hour, equaling its electrical life span, ensuring longevity in various applications. The 140G-N0H3-E12-Z1 is an essential component for ensuring circuit reliability and protection in demanding electrical systems.

Revision Part #Also known as
140G-N0H3-E12-Z1 Ser A140G-N0H3-E12-Z1/A, Series A, Rev A
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