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Allen Bradley 140G MCB 140G-R12I4-E30-Z1

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140G-R12I4-E30-Z1

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The molded case circuit breaker model 140G-R12I4-E30-Z1 from Allen-Bradley is built for substantial power handling, featuring a frame type of R. This device supports currents from 2500 to 3000 Amps while offering a maximum interrupting capacity of 125 kA. It is tailored for environments that demand reliable overload protection with electronic LSIG support.

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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-R12I4-E30-Z1

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-R12I4-E30-Z1
Weight32.00 lbs (14.51 kg)
FrameR
Amps2500-3000
Interrupting Rating125 kA
Protection TypeElectronic LSIG
Poles4
Current Range3000 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage12 kV
Mechanical Life60 Operations/hr.
Electrical Life60 Operations/hr.
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Part number 140G-R12I4-E30-Z1, a product from Allen-Bradley's 140G MCB series, offers impressive specifications tailored for industrial applications. This molded case circuit breaker is capable of handling a wide range of currents, specifically between 2500 and 3000 Amps. With a significant interrupting rating of 125 kA, this device is designed to secure electrical systems against faults effectively.

The breaker is constructed with four poles and includes electronic LSIG protection, which is essential for managing various overload and fault conditions safely and efficiently. Rated for insulation voltages of up to 1000 volts, the 140G-R12I4-E30-Z1 meets the demands of high-voltage environments. Adding to its robust design, it withstands impulse voltages of 12 kV, ensuring that transient overvoltage events do not compromise its operation.

Weighing 175 pounds, this molded case circuit breaker is engineered for durability, highlighting a mechanical life rated at 60 operations per hour, alongside an identical rating for its electrical life. This feature ensures that the breaker remains reliable over extended periods, reinforcing its position as a crucial component in industrial electrical management.

Revision Part #Also known as
140G-R12I4-E30-Z1 Ser A140G-R12I4-E30-Z1/A, Series A, Rev A
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