209-1-21305-9

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A circuit breaker is a device designed to protect electrical circuits from damage caused by overload, short circuit, or ground fault. The device is designed to stop current flow if it detects a specified fault condition, and then reset itself after the fault has cleared. The 209-1-21305-9 circuit breaker is an over-voltage (OVP) and over-current (OCP) protector. It is designed to open the circuit when an over-voltage or over-current condition is detected.

Application Field

The 209-1-21305-9 circuit breaker is mainly used to protect AC power circuits from over-voltage/over-current conditions. The rated current of this device is 30A and the rated voltage is 600V AC. It is also suitable for use in power distribution systems, such as computer and medical equipment.

Working Principle

The 209-1-21305-9 circuit breaker works by sensing when the voltage of the circuit is too high or the current is too high. When this happens, it will cut off the power to the circuit and open the contacts on the circuit breaker. This stops current flow and protects the circuit. It will then reset itself when the voltage/current returns to normal.

The 209-1-21305-9 circuit breaker is a thermal-magnetic device. It works by using two senses of protection, the thermal element and the magnetic element. The thermal element detects when the temperature of the circuit rises due to excessive current flow. The magnetic element is the current sensing element which detects when the current is too high. When the condition is met, both the thermal and magnetic elements will work together to open the circuit contacts and cut off the power.

The 209-1-21305-9 circuit breaker is designed to be a reliable device, which will reliably protect the circuit from damage due to over-voltage and/or over-current condition. It is easy to install, requires minimal maintenance, and is cost-effective.

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