1658-G21-00-P10-8A

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A circuit breaker is an electrical switch which can be automatically operated to quickly and efficiently break an electrical circuit. It is designed to prevent overcurrents and short circuits, thus protecting circuits against excessive damage from overload and overcurrent. Circuit breakers are commonly used in households and commercial buildings, as well as in industrial settings such as power plants, refineries, and factories.The 1658-G21-00-P10-8A circuit breaker is a UL 489 rated, two-pole, 120/240 VAC general purpose breaker. This breaker is designed to provide circuit protection for a variety of applications, including residential, commercial, light industrial, and construction applications. It features a trip-free operation, adjustable trip setting, and is mechanically and thermally protected to ensure safe and reliable operation.The 1658-G21-00-P10-8A circuit breaker has a number of applications, including providing protection against overload and short circuit current in branch circuits. It can also be used to protect lighting and appliance branch circuits from overload and short circuit current, as well as providing disconnecting means for equipment and appliances. Additionally, this breaker may be used as a motor controller for single and 3-phase motor loads.

In order to understand the working principle of this breaker, it is important to understand how a circuit breaker works. When the overload current is detected, the contacts in the circuit breaker open to break the circuit, thus protecting it from damage. This opening of the contacts is generated by a bimetallic strip which bends when heated by the current flow. This causes the trip lever to rotate which in turn opens the contacts. When the current is drawn, the contacts close and the current is allowed to flow through the circuit again.This 1658-G21-00-P10-8A circuit breaker can also be provided with an adjustable trip setting. This allows the user to set the threshold or trip point at which the contacts will open. This can be important to ensure optimum protection is provided to the circuit, as the adjustable trip setting allows the user to set the trip point to the required current level.The 1658-G21-00-P10-8A circuit breaker also includes a manual trip option. This means that the breaker can be opened manually to shut off the power in the event of an emergency. It also helps to detect any overcurrents or short circuits which may be present, as it can be manually tripped to ensure the circuit is not damaged.Finally, the 1658-G21-00-P10-8A circuit breaker is also thermally and mechanically protected. This means that in the event of an overload, the circuit breaker quickly opens the contacts to protect the circuit from excessive damage. This feature is particularly important for applications where quick action may be required to prevent damage to the circuit.In conclusion, the 1658-G21-00-P10-8A circuit breaker is a UL 489 rated two-pole, 120/240 VAC general purpose breaker. It is designed to provide circuit protection for a variety of applications, including residential, commercial, light industrial and construction applications. This breaker features adjustable trip settings and a manual trip option, as well as being thermally and mechanically protected to ensure safe and reliable operation.

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