PO2D - Combined overvoltage protection
Basic description
- Combined two-stage overvoltage protection of two-core signal line and 22 to 24 V DC supply line
- Suitable for protection of RS485 data lines or 4-20 mA signal lines
- Separate terminals for power line protection (without resistive coupling)
- Designed to protect MaR control systems, installation just in front of the protected equipment
- Pulse overvoltage protection between input terminals (a, b, c, d) and earth fault protection (PE)
- Transverse overvoltage protection between individual terminals (a - b, c - d)
- Mounting on DIN rail 35 mm
Wiring examples
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Application
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