Category Parameter Specification / Typical Value Application & Configuration Protected Circuit Signal circuits (e.g., 4-20 mA, digital I/O) Circuit Configuration 2-pole (Line-to-Line and Line-to-Ground protection) Connection In-series with the signal line Electrical Characteristics Nominal Voltage 8 - 24 V DC (Typical for signal applications) Max. Continuous Operating Voltage (Uc) ~30 V DC (Please verify in datasheet) Nominal Current (In) Up to 250 mA (Suitable for most signal loops) Voltage Drop < 1.5 V (Low, to minimize impact on the signal) Surge Protection Performance Standards Complies with IEC 61643-21 Nominal Discharge Current (In) 5 kA (8/20 μs waveform) Max. Discharge Current (Imax) 10 kA (8/20 μs waveform) Protection Level (Up) < 40 V (at In, typical for this class) General Data Mounting 35 mm DIN Rail Connection Type Screw terminals Housing Material Plastic (PA 6.6) Operating Temperature -40 °C to +80 °C Status Indication None (This is a basic model without visual fault indicator)
