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Allen Bradley 140G MCB 140G-H3I3-D12

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140G-H3I3-D12

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The 140G-H3I3-D12 from Allen-Bradley is a molded case circuit breaker that delivers reliable electrical protection. With a robustness rated at 125 Amps, it features an impressive interrupting capacity of 35 kA and employs advanced Electronic LSIG 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-H3I3-D12

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-H3I3-D12
Weight10.00 lbs (4.54 kg)
FrameH
Amps125
Interrupting Rating35 kA
Protection TypeElectronic LSIG
Current Range120 A
Rated Insulation Voltage1000 V
Rated Impulse Withstand Voltage8 kV
Mechanical Life240 Operations/hr.
Electrical Life120 Operations/hr.
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The Allen-Bradley 140G-H3I3-D12 is a molded case circuit breaker engineered for dependable performance in electrical systems. This device incorporates a frame designated as type H and is rated for a maximum current of 125 Amps. It presents an interrupting capacity of 35 kA, ensuring adequate protection against short circuits and overload conditions. The breaker utilizes Electronic LSIG (Long, Short, Instantaneous, Ground fault) technology, offering precise monitoring and enhanced safety measures.

Its effective operating characteristics include a current range that peaks at 120 A, making it versatile for various applications. The breaker is built to handle rated insulation voltages of up to 1000 volts, providing excellent performance even under critical conditions. Furthermore, the rated impulse withstand voltage of the unit is 8 kV, implying substantial resilience to electrical transients.

Weighing in at 2.65 pounds, the 140G-H3I3-D12 is crafted for efficient mounting and operation. The mechanical lifespan stands at 240 operations per hour, indicating long-term functionality without compromising reliability. This breaker also features an electrical life of 120 operations per hour, making it a durable choice for both constant and demanding operational conditions.

Revision Part #Also known as
140G-H3I3-D12 Ser A140G-H3I3-D12/A, Series A, Rev A
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