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Allen Bradley 140M Circuit Breakers 140MG-G8P-B70

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140MG-G8P-B70

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The 140MG-G8P-B70 is a motor protection circuit breaker from Allen Bradley's 140M series, providing reliable current protection. This unit operates with a rated current of 7 Amperes and is designed for 3-phase input in a G frame size rated up to 125 Amperes.

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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 140MG-G8P-B70

ManufacturerAllen Bradley
Product TypeMotor Protection Circuit Breaker
Product Line140M Circuit Breakers
Part Number140MG-G8P-B70
UPC885630442037
Weight2.25 lbs (1.02 kg)
Rated Operating Current7 Amperes
Frame SizeG Frame, 125 Amperes
Protection TypeAdjustable Magnetic Trip Unit Only
Breaking CapacityHigh Break
Number of Poles3 Poles
Degree of ProtectionIP20
Power Loss9.9 Watts
Short Circuit Breaking Capacity65 Kiloamperes at 220 to 480 Volts AC
Input Phase Rating3-Phase
Rated Impulse Withstand Voltage8 Kilovolts
Electrical Connection TypeScrew Connection
Instantaneous Trip Setting3 to 125 Amperes
Mechanical Life Cycle25,000 Operations Per Hour

The Allen Bradley 140MG-G8P-B70 motor protection circuit breaker is engineered to deliver dependable current safeguarding in various motor applications. With a rated operating current of 7 Amperes, it fits within the G frame size rated for a maximum of 125 Amperes. Designed specifically for 3-phase connections, the breaker features an adjustable magnetic trip unit, allowing users to set the instantaneous trip threshold between 3 and 125 Amperes according to operational needs.

Its high short circuit breaking capacity of 65 kiloamperes at voltages ranging from 220 to 480 Volts AC affirms the breaker’s capability to handle fault conditions effectively. The unit's protection rating is IP20, denoting it is shielded from solid foreign objects exceeding 12.5 mm, while not being suitable for liquid exposure.

In terms of electrical connection, this model employs a screw connection type, ensuring secure and reliable integration into electrical systems. The power loss during operation is rated at 9.9 Watts, which reflects the efficiency of this circuit breaker. With a mechanical life cycle rated for 25,000 operations per hour, it provides durability and resilience for sustained performance in demanding environments. The 140MG-G8P-B70 circuit breaker is a fitting solution for those requiring robust motor protection without compromising on performance or efficiency.