Phoenix Contact, S-PT-EX Surge Protection Device 30 V dc Maximum Voltage Rating 10kA Maximum Surge Current Surge

The phoenix contact surge protection device - S-PT-EX(I)-24DC-1/2" is a device that provides surge protection in the IP67 screw-on module for measuring sensors in intrinsically safe circuits, direct mounting with 1/2" NPT 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.

IEC test classification - C1 C2 C3 D1 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 - 0.14mm²..1.5mm²
Conductor cross section solid - 0.14mm² to 1.5mm²
Conductor cross section AWG - 26 to 16
Maximum inner capacitance Ci - 2 nF
Max. internal inductance Li - 1 μH