S-PT-4-EX-24DC - Surge protection device

Two-stage surge protection for three or four signals of floating signal circuits in screw-on module with IP67 degree of protection for sensor heads, connection: M20 x 1.5. Tested in accordance with the following types of protection in Ex areas: Ex d / Ex tD / Ex ia IIC / Ex iaD. Suitable for use in the fieldbus system in accordance with the FISCO concept, HART-compatible.