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Allen Bradley 140G MCB 140G-I3C3-D12

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140G-I3C3-D12

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The 140G-I3C3-D12 circuit breaker from Allen-Bradley is built to deliver robust electrical protection. It operates at 225 Amps and is designed to handle fault currents with an interrupting rating of 35 kA.

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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-I3C3-D12

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-I3C3-D12
Weight3.00 lbs (1.36 kg)
FrameI
Amps225
Interrupting Rating35 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Current Range120 A
Rated Insulation Voltage800V
Rated Impulse Withstand Voltage8 kV
Thermal Trip120 A
Magnetic Trip1200 A
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The 140G-I3C3-D12 from Allen-Bradley, under Rockwell Automation, serves as a molded case circuit breaker engineered for high performance. This unit has a frame classified as I and is rated for 225 Amps, making it suitable for significant load management. Its interrupting rating of 35 kA provides a reliable solution for circuit protection against overloads and short circuits.

Equipped with fixed thermal and magnetic protection, the breaker can handle a current range of up to 120 Amps. The thermal trip point is calibrated at 120 Amps to ensure safe operation during overload conditions. For magnetic tripping, the device can respond to up to 1200 Amps, effectively managing fault currents to prevent equipment damage.

This circuit breaker is rated for an insulation voltage of 800 volts, contributing to its versatility in various electrical systems. It also features a rated impulse withstand voltage of 8 kV, ensuring protection against transient spikes. With a weight of 3.75 lbs, the 140G-I3C3-D12 is designed for easy installation and reliable performance across numerous applications.

Revision Part #Also known as
140G-I3C3-D12 Ser A140G-I3C3-D12/A, Series A, Rev A
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