The phoenix contact Surge protection device - S-PT-EX(I)-24DC is a device that provides surge protection in the IP67 screw-on module for measuring sensors in intrinsically safe circuits, direct mounting with M20 x 1.5 outer thread, cable gland for the signal cable, two-stage protective circuit. HART-compatible. Easiest field mounting with standardized thread. It is versatile in use with universal protective circuit. Used under extreme ambient conditions with robust design.

Type Screw-in module
Product type Surge protection for MCR technology
Number of positions 3
Surge protection fault message - none
Wire pairs per module - 1 Overvoltage - category III
Pollution degree - 2
Connection method - Screw connection
Screw thread- M3
Tightening torque - 0.6 Nm
Conductor cross section flexible - 0.14 mm² to 1.5 mm²
Conductor cross section solid - 0.14 mm² to 1.5 mm²
Conductor cross section AWG - 26 to 16
Maximum inner capacitance Ci - 2 nF
Max. internal inductance Li - 1 μH