Overvoltage Protection Module for 3 Datalines

Leakage current free overvoltage protection device for 3-data or signal lines, 2-wire bus networks

Description

  • Nearly leakage current free overvoltage protection device for 3-data or signal lines, 2-wire bus networks
  • Coarse protection by 20kA (8/20μs) heavy duty-GDT
  • Fine protection by high speed suppressor-diodes
  • Low-pass filter characteristic against danger high frequent harmonics
  • Transversal and longitudinal voltage protection
  • Rigid and small size polycarbonate housing for DIN-rail or direct mounting
  • Strong and corrosion resistant universal screw terminals

Specifications

Overvoltage Protection Module for 3 Datalines
General
Order Number M81120
Specifications
Nominal Operating Voltage UN = 24 V DC
Max. Continuous Operating Voltage Umax = 28 V DC
Max. Continuous Operating Current Imax = 500 mA
Protection Level (Line-Ground at 1kV/μs and In) URes ≤ 36 V
C2 Nominal Impulse Discharge Current
(10× at waveform 8/20 μs)
In = 20 kA
Operating Temperature Range -25 … +85 °C
Protection Degree (IEC EN 60529) IP 20
Manufacturer Leutron

Sensor connection diagram

Circuit Diagram