T11-2-30.0A-01-20

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Circuit breakers are used to protect electrical systems and components from damage caused by overloads, short circuits, and ground faults. The model T11-2-30.0A-01-20 is a type of circuit breaker designed to protect residential electrical systems and equipment from overload. It is structured with a voltage rating of 120/240 volts, AC amperage of 30 amps and a trip range of 20-30 amps.

Application Field

The T11-2-30.0A-01-20 circuit breaker finds its application in residential electrical systems, providing overload protection for a variety of household applications. The breaker is typically used to protect circuits for air conditioners, electric water heaters, stoves, washers and dryers, dishwashers, and other major appliances. It can also be used to protect arc welder circuits, home security systems, and 115-volt single-pole circuits in a panel.

Working Principle

The T11-2-30.0A-01-20 circuit breaker features two small metal strips called contact points. The contact points are designed to bend slightly when current passes through them, pressing against each other to create a closed circuit that allows the current to flow. When the current reaches its maximum rating, the contact points will automatically open, breaking the circuit and the current flow. This action trips the breaker and shuts off the power, preventing any further overload.

The T11-2-30.0A-01-20 also contains a bimetallic strip to measure current flow and prevent overheating. The strip is made of two sheets of different metals, which expand and contract at different rates when exposed to temperature changes. When the current passes through the bimetallic strip, it creates heat and causes the strip to move. This movement will activate the breaker\'s trip mechanism, which opens the contact points and shuts off the power.

Conclusion

The T11-2-30.0A-01-20 Circuit Breaker is an essential device for household electrical systems, providing protection from overloads and short circuits for a variety of applications. With its two contact points, bimetallic strip, and trip mechanism, it is a reliable and efficient overload protection device that is easy to install and maintain.

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