Low Voltage Surge Protection Device A transient
Transient Voltage Surge Suppressor
A Transient Voltage Surge Suppressor (TVSS) or Surge Protection Device (SPD), as they are called, is a device that accomplishes two basic functions. It first provides a place for a rise in current and voltage to equalize (other than across your equipment) and secondly, it absorbs or diverts the excess energy to places other than the protected load. The object is 1) to do all of this as quickly and effectively as possible, 2) to be reliable enough, 3) to be ready when the next transient event occurs whether it be 10 nano-seconds later, and 4) to be able to repeat this performance over hundreds of thousands of events without failure.
The Major design goal is to divert as much of the transient energy away from the load as possible by providing a lower impedance path and then to address the effects of the surge with components of the SPD. Various types of surge suppression components are used to provide this low impedance pathway, depending on the specific application of the device
Type of Surge Protection Device SPD
A. Din Rail Type Surge Protection Device
This type of SPD for power supply systems and equipment subdivided into lightning current arrester ( Class B ) and Surge arresters ( Class C, D ) in accordance with standard.
1. Lightning Current Arrester ( Class B, 10/350uS )
2. Surge Arresters ( Class C, D 8/20uS )
B. Integrated Surge Protection Device
Protec provide 2 types of SPD which have Voltage Response protection type and Frequency Response protection type for customer application selection.
1. Residental Type
2. Integrated Surge Protection Devices SPD, Class D series ( Class III )
3. Integrated Surge Protection Devices SPD, Class C, D series ( Class II & III )
4. Integrated Surge Protection Devices SPD, Class B, C series ( Class I & II )
5. Medium Voltage Surge Protection Device
