YEM3-125/3P Molded Case Circuit Breaker: A Reliable Solution for Your Power Supply Equipment

Product Overview: The YEM3 series molded case circuit breaker is an essential component for power supply equipment. It is designed for AC 50/60HZ circuit and rated isolation voltage of 800V. The circuit breaker performs effectively with the rated operating voltage of 415V, and the rated operating current can go up to 800A. It is specifically used for infrequent switching and starting of motors (Inm≤400A). The circuit breaker is equipped with overload, short circuit, and undervoltage protection functions to ensure the safety of the electrical circuit. Its compact size, strong breaking capacity, short arc, and anti-vibration properties make it a perfect solution for your power needs.

Use Precautions:
The YEM3 molded case circuit breaker comes with specific instructions for usage, which are as follows:

1. Altitude: The circuit breaker can be used up to an altitude of 2000m.

2. Ambient temperature: It is recommended to use the circuit breaker at a temperature ranging between -5°C to +40°C.

3. Air humidity: The relative humidity of air should not exceed 50% at a temperature of +40°C. For lower temperatures, higher relative humidity is acceptable, such as 90% at 20°C. Special measures may be required to prevent condensation due to temperature changes.

4. Pollution level: The circuit breaker is designed to function correctly in pollution level 3.

5. Installation category: The main circuit is category III, while other auxiliary and control circuits are category II.

6. Electromagnetic environment: The circuit breaker should be used in a place free from explosive hazards, conductive dust, and gases that corrode metals and damage insulation.

7. The circuit breaker should be installed in a place that is free from rain and snow.

8. Storage conditions: The circuit breaker should be stored at a temperature ranging between -40 ℃ to +70 ℃.

Product Use Environment:
The YEM3 series molded case circuit breaker is recommended for use in different industries, including power generation, distribution, and control systems. It is ideal for infrequent motor starting and switching applications. The circuit breaker can be used in various environments, such as construction sites, factories, data centers, and many more.

Conclusion:
The YEM3-125/3P molded case circuit breaker is a reliable solution for your power needs. It is designed with high breaking capacity, overload, short circuit, and undervoltage protection functions to ensure the safety of the electrical circuit. Its compact size makes it easy to install, and it can be used in a wide range of environments. The YEM3 series is your go-to solution for your power supply equipment needs.