QLB-303-11B3N-3BA

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Circuit breakers are an essential part of electrical systems. They are used to protect electrical circuits from damage caused by overloads, short circuits, and other hazardous situations. The QLB-303-11B3N-3BA is a 30 Amp double-pole circuit breaker. It works by opening or closing, depending on the current draw of the electrical system. When the current draw in the circuit reaches a preset maximum, the breaker trips and breaks the circuit, thereby cutting off the power. This safety measure prevents damage to the electrical circuitry, as well as preventing personal injury or death due to electric shock.

The QLB-303-11B3N-3BA circuit breaker has many applications. It is typically used in residential installations, such as in houses, apartments, or condominiums. It is also used in commercial buildings and industrial settings, including warehouses and factories. In addition, it can be found in recreational vehicles and boats. This breaker has a number of important safety features, such as a built-in thermal-magnetic trip unit, a visible trip indicator, and multiple operating handles.

The QLB-303-11B3N-3BA circuit breaker works by using a bimetallic strip and a magnetic trip unit. The bimetallic strip is composed of two different metals, such as copper and aluminum. When the current passing through the strip grows too large, the strip bends, and this causes the trip unit to activate. The magnetic trip unit causes the breaker to trip, breaking the circuit. This prevents the current from growing too large, which can damage the circuitry.

The QLB-303-11B3N-3BA circuit breaker is an important piece of equipment for protecting electrical systems from potential damage. It is a reliable and efficient way to provide safety in homes and other environments. In the event of an overload or short circuit, this breaker will trip and effectively break the circuit before any damage can be done to the electrical system. This breaker also features multiple operating handles and a visible trip indicator, which provides an easy way for operators to know when the breaker has successfully tripped.

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