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Allen Bradley 140G MCB 140G-R12I3-E30-Z1

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140G-R12I3-E30-Z1

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The 140G-R12I3-E30-Z1 is a high-capacity molded case circuit breaker from Allen-Bradley, suitable for large-scale electrical applications. It supports a substantial current range between 2500 and 3000 Amps and features a 125 kA interrupting capacity.

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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-R12I3-E30-Z1

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-R12I3-E30-Z1
Weight32.00 lbs (14.51 kg)
FrameR
Amps2500-3000
Interrupting Rating125 kA
Protection TypeElectronic LSIG
Current Range3000 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage12 kV
Mechanical Life60 Operations/hr.
Electrical Life60 Operations/hr.
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The 140G-R12I3-E30-Z1 circuit breaker, part of the Allen-Bradley lineup from Rockwell Automation, is engineered for optimal performance in heavy-duty settings. This molded case circuit breaker is rated to manage currents from 2500 to 3000 Amps, ensuring robustness for demanding tasks. It holds a notable interrupting rating of 125 kA, which is essential for protecting systems against fault conditions.

This device boasts an electronic LSIG protection mechanism, designed to enhance safety and functionality. The current capacity allows it to tackle up to 3000 A effectively. Built to withstand high-voltage applications, the breaker features a rated insulation voltage of 1000V and can endure impulse voltage surges rated at 12 kV, ensuring reliability under transient conditions.

With a weight of 175 pounds, the 140G-R12I3-E30-Z1 is constructed for stability and durability in varied environmental conditions. It has a specified mechanical life of 60 operations per hour, while its electrical life matches the same rating, reflecting its suitability for frequent operational use in industrial applications.

Revision Part #Also known as
140G-R12I3-E30-Z1 Ser A140G-R12I3-E30-Z1/A, Series A, Rev A
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