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Allen Bradley 140G MCB 140G-R12I4-E30

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140G-R12I4-E30

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The Allen-Bradley 140G-R12I4-E30 is a robust molded case circuit breaker capable of handling up to 3000 Amps. This unit features an R frame design and is rated for interrupting capacities of 125 kA, making it suitable for complex industrial applications.

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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

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-R12I4-E30
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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The 140G-R12I4-E30, developed by Allen-Bradley and manufactured by Rockwell Automation, is specifically designed as a molded case circuit breaker. This model caters to high-capacity electrical systems with an impressive current handling capability ranging from 2500 to 3000 Amps. The unit features a frame designation of R and is well-equipped for applications requiring superior protection against overcurrents.

With an interrupting rating of 125 kA, it effectively ensures safety during fault conditions. This circuit breaker is engineered with electronic LSIG protection, enhancing its operational dependability. Configured with four poles, it is adept at managing multi-phase loads with flexibility. The rated insulation voltage stands at 1000 volts, making it suitable for demanding environments.

Additionally, the unit can tolerate impulse withstand voltages up to 12 kV, providing a crucial safety margin against surge conditions. Weighing 175 pounds, the 140G-R12I4-E30 ensures structural integrity for regular use in robust industrial settings, featuring a mechanical and electrical lifespan both rated at 60 operations per hour. This breaker is a valuable component for applications demanding high reliability and efficiency.

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