AC power supply SPDs are designed according to the IEC and GB standards. It connects the protected circuit to an equipotential surface instantaneously when the surge occurs, and limits the residual voltage to a certain level to protect the devices.

Signal and DC power SPDs are used for protecting 2 or 3-wire transmitters, switches, frequency signals, communication devices, RTD, TC, 24VDC devices on site and in the control room from being damaged by surge without interfering signal transmission.

Main features:
Space-saving width of just 7.6mm
Easy grounding through DIN rail