1Z4UM

Due to market price fluctuations, if you need to purchase or consult the price. You can contact us or emial to us:   sales@allicdata.com

Circuit Breakers

Circuit breakers are mechanical devices designed to open or close an electrical circuit, helping to protect electrical equipment from damage due to overvoltage, overload, or short-circuit. They are essential components in the majority of electrical networks, and their fast response times and ability to quickly resume power when a fault is cleared makes them well-suited for a variety of applications. One such device is the 1Z4UM breaker. This article will provide an introduction to its application field and working principle.

Applications

The 1Z4UM is a molded-case circuit breaker (MCCB), which is primarily used to protect against overloads, short circuits, and ground faults in residential, commercial, and industrial applications. Typical settings for 1Z4UM breakers include motor protection in motors up to 150 A per phase, load protection in circuits up to 175 A, and ground fault protection in systems up to 300 A. In addition, they are also suitable for protecting against indirect contact in systems up to 300 A. The 1Z4UM is approved to UL489 and CSA 22.2 standards and is compliant with global safety agency standards, making it suitable for installation in a range of global locations.

Working Principle

The 1Z4UM utilizes a thermal-magnetic operating principle. It has two elements – the thermal element and the magnetic element – that work in tandem to protect the circuit from damage. The thermal element responds to a sustained overcurrent by slowly disconnecting the circuit, while the magnetic element responds to short-circuit or ground-fault currents by tripping the circuit nearly instantaneously. This combination of elements enables the 1Z4UM to provide protection against both overloads and short-circuits, as well as ground faults. Furthermore, the 1Z4UM features adjustable trip settings, so that the current threshold for tripping the circuit can be set to meet the needs of the specific application.

Conclusion

In conclusion, the 1Z4UM circuit breaker is a reliable and cost-effective solution for protecting against overloads, short circuits, and ground faults. It has a wide range of applications and is suitable for use in residential, commercial, and industrial environments. Its combination of thermal and magnetic elements, along with adjustable trip settings, makes it a reliable and flexible device, able to provide a range of levels of protection.

The specific data is subject to PDF, and the above content is for reference