1Z15UM

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Circuit breakers are devices that can be used to protect electrical circuits from any kind of damage or malfunctions arising from overload, short circuits or other electrical faults. Circuit breakers are an effective way of controlling and protecting electric power systems. The 1Z15UM application field and working principle is one of the most widely used circuit breakers on the market.

The 1Z15UM is designed for residential and light commercial use, and it can be used to protect circuits up to 100A. It is a two pole device, meaning it provides simultaneous protection against both phase and neutral faults. This is done by two trips inside the 1Z15UM that are responsive to current overloads, short circuits and ground faults.

When an overload or a short circuit occurs, the 1Z15UM trips, breaking the circuit and thereby protecting it from any further damage or faults. The trip time of the 1Z15UM is adjustable, meaning it can be adjusted to respond to different levels of faults in a circuit.

The 1Z15UM works on the principle of thermal-magnetic operation. It consists of two major parts: the thermal element and the magnetic element. The thermal element senses current and heat, and it will open the circuit in a very short time if the thermal and current thresholds are met. On the other hand, the magnetic element senses current and magnetic flux, and it will open the circuit via a magnetic attraction force when the current and magnetic flux threshold are met. This provides a more accurate and sensitive protection for the circuit.

The 1Z15UM also has an adjustable trip current capability, meaning it can be adjusted to respond to different levels of faults in a circuit. It also has a built in current limiting feature, which helps reduce the surge current when it trips. The 1Z15UM also has a visible fault indicator that provides a visual indication of a fault inside the breaker serving as an additional safety feature.

In summary, the 1Z15UM application field and working principle is an effective device for protecting electrical circuits from any kind of damage or malfunction. The two-pole design provides simultaneous protection against both phase and neutral faults, while the adjustable trip current capability allows for more precise protection for different levels of faults in electric circuits. The thermal-magnetic operation and the built in current limiting feature helps provide a more accurate and sensitive protection, while the visible fault indicator provides a visual indication of a fault inside the breaker.

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