RS232 - RS485
12 V
15 Vdc
3 MHz
300 mA
20 kA
30 V
5 kA
4.7 Ohm
GDT+Clamping diode+PTC (thermal resistor) + Resistor
1-pair+shielded
By screw terminal: cross section 0.5-2.5mm²
Plug-in DIN box
Symmetrical rail 35 mm (EN 60715)
Thermoplastic UL94 V-0
-40/+85°C
IP20
Opening line - transmision cut-off - fault mode 2
Visual indicator is red
DLAS1M-12D3
See diagram
IEC 61643-21 / EN 61643-21 / UL497B