In order to meet the demand of the smart, high energy density and long lifetime for the burst blow ignition fuse, a type of piezoceramics power supply made of P-5A4 material is designed.

为了使爆胎充气点火引信的电源满足小型化、高能量密度和使用周期长等技术要求，以P ！ 5a4为材料设计了一种压电陶瓷电源。

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Fuse are also used in many applications on distribution primary circuits and to a limited extent on bulk power high-voltage equipment.

熔断器也可用在配电网的许多一次线路中，在少数情况下，也用于大功率容量的高压设备。

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