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Allen Bradley 140G MCB 140G-NS0I3-E12

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140G-NS0I3-E12

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The 140G-NS0I3-E12 is a molded case circuit breaker from Allen-Bradley designed to provide reliable protection in electrical systems. This unit has a capacity of 1200 Amps and displays an interrupting rating of 100 kA, making it capable of managing significant fault currents.

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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-NS0I3-E12

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-NS0I3-E12
Weight32.00 lbs (14.51 kg)
FrameNS
Amps1200
Interrupting Rating100 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-NS0I3-E12 functions as a molded case circuit breaker, engineered for demanding electrical environments. Rated for 1200 Amps, this device can handle substantial loads efficiently. Its interrupting capacity of 100 kA is significant when managing fault conditions.

This model employs electronic LSIG protection technology, which enhances its response to overloads and fault occurrences. With an NS frame classification, it supports a range of applications that require high reliability. The rated insulation voltage stands at 1000 volts, ensuring effective operation under high-stress conditions. Moreover, it withstands impulse voltages up to 8 kV, providing additional protection against transient events.

Weighing at 27.56 pounds, the breaker is constructed for durability and ease of installation. Both its mechanical and electrical life ratings are 60 operations per hour, illustrating its capability to perform consistently in active industrial setups. The 140G-NS0I3-E12 is thus an instrumental component in maintaining safe and efficient electrical distribution.

Revision Part #Also known as
140G-NS0I3-E12 Ser A140G-NS0I3-E12/A, Series A, Rev A
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