219-1-40428-7

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Circuit Breakers

Circuit breakers are essential elements within common electrical systems, providing a means of protection from danger such as electrical overload and short-circuits. The 219-1-40428-7 circuit breaker is a special type of circuit breaker designed for use within DC control circuits.

Application Field

The 219-1-40428-7 circuit breaker is specifically designed for use in DC motor control circuits. It is rated at 1A and 250VAC. This type of circuit breaker is typically found in applications such as battery chargers, dc-drive electrification systems, feeder automation applications, and other motor control circuits. It provides a one-time fuse operation that provides short-circuit and overload protection.

Working Principle

The 219-1-40428-7 circuit breaker is based on the principle of thermal-magnetic operation. When the current through the circuit breaker surpasses the breaking current threshold (measured in amperes) due to an overload or short-circuit, a rapid increase in temperature occurs. This causes a magnetic force to be generated that is sufficient to trip the breaker and break the circuit.

The thermal-magnetic operation of the 219-1-40428-7 circuit breaker is reliable and completely safe. It features an electromagnetic design that provides superior protection against strong vibrations and varied loading conditions. It also has an enhanced mechanical life due to its superior contact design.

Sensitivity Adjustment

The 219-1-40428-7 circuit breaker can be adjusted to increase or decrease the current overload protection setting. This is done using adjustment knobs or a screwdriver. There are two adjustment screws located on the side of the circuit breaker. The first is the trip current adjustment, which is used to adjust the breaking current threshold. The second is the pick up current adjustment, which is used to adjust the current maximum, above which the circuit breaker will trip.

Benefits

The 219-1-40428-7 circuit breaker offers many benefits over other types of circuit breakers. It is quick and reliable, providing superior protection against short-circuit and overloads. It also features high sensitivity and low power consumption, making it ideal for use in systems where space is limited. It is also economical, making it an ideal choice for applications that require economical circuit protection.

Overall, the 219-1-40428-7 circuit breaker is an excellent choice for DC motor control circuits due to its reliable and cost-effective operation. It offers superior protection against short-circuit and overloads, as well as easy sensitivity adjustment using knobs or a screwdriver. Its robust design ensures years of reliable operation, making it an ideal choice for reliable and safe circuit protection.

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