IULK4-30434-12

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Circuit Breakers

A circuit breaker is an automatically operated electrical switch designed to protect an electrical circuit from damage caused by overload or short circuit. Its basic function is to detect an electrical overload or short circuit and switch off the circuit, and it then interrupts the current flow and reduces risk of fire, damage to equipment, or any physical harm to people.

IULK4-30434-12 circuit breakers are designed specifically for higher current applications. They are typically used in commercial and industrial applications, from powering large motor systems to protecting wiring against damage from excessive current.

Application Field

IULK4-30434-12 circuit breakers are commonly used in industrial and commercial applications, in factories and workshops and for powering large motor systems. Additionally, the circuit breakers are rated for extremely high current and can support up to 100A, so they are particularly suitable for applications where high current needs are commonplace.

Working Principle

IULK4-30434-12 circuit breakers are designed with a thermal-magnetic switch. This type of switch has two elements: a thermal element and a magnetic element. When current passes through the thermal element and reaches the upper limit of its working range, the temperature increases and a reaction is triggered within the device. This triggers the magnetic element, which causes the contacts to open and the circuit to be switched off. The thermal element then cools down, allowing the contacts to be closed and the circuit to be switched on again.

Additionally, IULK4-30434-12 circuit breakers also have an overload regulation system. This system is designed to reduce the risk of an overload occurring by rapidly switching off the circuit if an overtemperature is detected. The system also serves as a warning system by letting users know when an overload is occurring.

In the case of a short circuit, a different set of contacts are activated. These contacts remain open until the droop current passes through, thus reducing the risk of an overload occurring.

Conclusion

IULK4-30434-12 circuit breakers are specifically designed for higher current applications, making them ideal for commercial and industrial use. They are highly reliable and can protect wiring against damage from excessive current. The IULK4-30434-12 circuit breakers are also designed with a thermal-magnetic switch and an overload regulation system that helps reduce the risk of an overload occurring.

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