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Allen Bradley 140G MCB 140G-G3C3-C90

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140G-G3C3-C90

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The Allen-Bradley/Rockwell Automation 140G-G3C3-C90 circuit breaker is a fixed thermal and fixed magnetic type of circuit breaker with a molded case. It has been designed and manufactured as a member of the Allen-Bradley Bulletin 140G series of molded case circuit breakers. The 140G-G3C3-C90 molded case circuit breaker is built with 3 poles and a Size G frame and it can be installed in a cabinet for protection from dust and water. Its thermal trip rating is 90 Amps and its magnetic trip rating is 900 Amps. The 140G-G3C3-C90 molded case circuit breaker is engineered to support an 80% continuous load.

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2 Year DO Supply Warranty
Not an Authorized Distributor: DO Supply is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All of our products come with DO Supply's 2-year warranty.
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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-G3C3-C90

ManufacturerAllen Bradley
Product TypeMolded Case Circuit Breaker
Product Line140G MCB
Part Number140G-G3C3-C90
Weight2.06 lbs (0.94 kg)
FrameG
Amps125
Interrupting Rating35 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Current Range90 A
Rated Insulation Voltage800 V
Rated Impulse Withstand Voltage8 kV
Thermal Trip90 A
Magnetic Trip900 A

The 140G-G3C3-C90 circuit breaker is a molded case circuit breaker designed to provide protection to conduits and avoid further damage by an excessive or irregular current. This breaker has been designed, made, and distributed by Allen-Bradley. Circuit breakers are circuits composed of a detection mechanism and poles that perform an interrupting action that will impede the excessive or irregular current that would otherwise flow into the circuit. Circuit breakers are modern devices that replace old fuses in modern applications. The Allen-Bradley 140G-G3C3-C90 molded case circuit breaker responds quicker than fuses. To do this, the breaker employs 2 different detection mechanisms to determine whether the current level is appropriate or not. These mechanisms are thermal and magnetic, both of them are designed to detect a different kind of current. The breaker includes 3 poles to perform the detection mechanism. This makes the breaker more reliable and sensitive.

Unlike fuses that only operate once and need to be replaced, the Allen-Bradley 140G-G3C3-C90 molded case circuit breaker can be reset once a fault condition has been detected and cleared. This breaker is a multiple operations device and it can be turned on and off through a switch. Breakers have a longer lifespan and there is no need for periodic replacements. The Allen-Bradley 140G-G3C3-C90 molded case circuit breaker comes with an interrupting capacity of 65 Amps and a current range of 90 Amps. It can be used as a conduit breaker or as a control panel switch. The room temperature should not exceed the 0 to 40 degrees Celsius range in order for the breaker to have a great performance.

Revision Part #Also known as
140G-G3C3-C90 Ser A140G-G3C3-C90/A, Series A, Rev A
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