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Allen Bradley 140G MCB 140G-G3C3-C30

140G-G3C3-C30

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The 140G-G3C3-C30 molded case circuit breaker is an Allen-Bradley/Rockwell Automation Bulletin 140G series 3-pole molded case circuit breaker. It is designed to provide fixed thermal protection and fixed magnetic protection. The 140G-G3C3-C30 molded case circuit breaker is rated for 30 Amps of standard current, a thermal trip current rating of 30 Amps, and a magnetic trip current rating of 500 Amps. The users of this circuit breaker can install it in an enclosure or cabinet to protect it from moisture and dust. The 140G-G3C3-C30 molded case circuit breaker supports an 80% continuous load rating and a maximum operating temperature of 40 degrees Celsius inside an enclosure.

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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 our products come with DO Supply's 2-year warranty.
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Technical specifications for 140G-G3C3-C30

ManufacturerEaton Cutler-Hammer
BrandEaton Cutler-Hammer
Part Number/Catalog No.140G-G3C3-C30
Product TypeMolded Case Circuit Breaker
FrameG
Amps125
Interrupting Rating35 kA
Protection TypeFixed Thermal/ Fixed Magnetic
Current Range30 A
Rated Insulation Voltage800 V
Rated Impulse Withstand Voltage8 kV
Weight2.42 lb
Thermal Trip30 A
Magnetic Trip500 A
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.

The 140G-G3C3-C30 is a circuit breaker from Allen-Bradley/Rockwell Automation that has been packaged in a molded case and special protective materials such as metal that is treated to avoid corrosion, zinc plating, reinforced glass fiber, and synthetic resins, and it has anti-condensation electronic parts. This breaker has a compact and small design and it can be mounted in different positions without affecting its performance level. The Allen-Bradley/Rockwell Automation 140G-G3C3-C30 circuit breaker is eligible to operate as the main circuit breaker in a circuit or equipment system, as a feeder breaker, and as a control panel switch. Depending on the application, more than one circuit breaker may be required. In this case, all the breakers that are selected need to be compatible with all the applications and equipment involved.

The Allen-Bradley/Rockwell Automation 140G-G3C3-C30 circuit breaker comes with a current rating of 30 Amps by default and an interrupting capacity of 25 kA. It works with a high level of efficiency but only with 80% of its current rating. This breaker has been previously tested for resistance to vibrations and shocks. It comes with different elements that provide stability. The breaker does not have a specific mounting position since this does not affect its functioning. One of the main things to consider is the operating temperature of the Allen-Bradley/Rockwell Automation 140G-G3C3-C30 circuit breaker. Since it employs a thermal detection mechanism, extreme temperatures might affect the breaker and its accuracy. The breaker uses bimetal bars that get heated by current flow as its heat detection mechanism. A high ambient temperature might affect this detection mechanism. Lower temperatures do not affect the breaker significantly, but these can also contribute to detection failures on occasion.

Revision Part #Also known as
140G-G3C3-C30 Ser A140G-G3C3-C30/A, Series A, Rev A
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