What it is and where it fits
The 1SAP411200R0001 is an interface terminal unit from the TU518 line, built for serial protocols and terminated with spring-clamp connections. IP20 means you keep it inside the panel — no washdown zones. Operating range -30 to +70°C covers most cabinets without a heater or special derate.
Wiring and environment
Spring terminals accept ferruled or solid wire. Ambient temperature range is -30 to +70°C.
