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Allen Bradley 140G MCB 140G-H3I4-D10

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140G-H3I4-D10

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The 140G-H3I4-D10 from Allen-Bradley is designed as an efficient molded case circuit breaker. It operates at a nominal current of 125 amperes. This model includes electronic LSIG protection and handles interruptions up to 35 kA, offering substantial safeguarding.

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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-H3I4-D10

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-H3I4-D10
Weight3.00 lbs (1.36 kg)
FrameH
Amps125
Interrupting Rating35 kA
Protection TypeElectronic LSIG
Poles4
Current Range100 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-H3I4-D10 is a molded case circuit breaker that reflects a blend of reliability and sophistication. Constructed with an H frame, this breaker is rated for 125 Amps, ensuring ample support for diverse electrical loads. It is designed to manage interruptions with an impressive capacity of 35 kA, which is essential for industrial applications that experience potential fault conditions.

This device also features electronic LSIG protection, enhancing its capability to respond to overloads and short-circuit scenarios. The 140G-H3I4-D10 incorporates four poles, making it suitable for three-phase installations. It effectively manages a defined current range, rated at a maximum of 100 Amperes, ensuring seamless operation across various configurations.

The rated insulation voltage for this device is 1000 Volts, providing a reliable barrier against electrical breakdowns in high-voltage situations. Its rated impulse withstand voltage reaches up to 8 kV, reinforcing its robustness against transient electrical spikes. With a weight of 3.53 pounds, this circuit breaker is compact yet durable for repeated use.

Designed for extensive mechanical life, the 140G-H3I4-D10 can withstand up to 240 operations per hour mechanically and has an electrical life expectancy of 120 operations per hour. This combination of features positions the 140G-H3I4-D10 as a dependable choice for reliable circuit protection in various applications.

Revision Part #Also known as
140G-H3I4-D10 Ser A140G-H3I4-D10/A, Series A, Rev A
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