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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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| Manufacturer | Allen Bradley |
|---|---|
| Product Type | Motor Protection Circuit Breaker |
| Product Line | 140M Circuit Breakers |
| Part Number | 140MG-G8P-B70 |
| UPC | 885630442037 |
| Weight | 2.25 lbs (1.02 kg) |
| Rated Operating Current | 7 Amperes |
| Frame Size | G Frame, 125 Amperes |
| Protection Type | Adjustable Magnetic Trip Unit Only |
| Breaking Capacity | High Break |
| Number of Poles | 3 Poles |
| Degree of Protection | IP20 |
| Power Loss | 9.9 Watts |
| Short Circuit Breaking Capacity | 65 Kiloamperes at 220 to 480 Volts AC |
| Input Phase Rating | 3-Phase |
| Rated Impulse Withstand Voltage | 8 Kilovolts |
| Electrical Connection Type | Screw Connection |
| Instantaneous Trip Setting | 3 to 125 Amperes |
| Mechanical Life Cycle | 25,000 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.