ABB SPTM 6A3 RS 920 003-AA Rs 160509 Transmit Oy Relay Network Control Module

ABB SPTM 6A3 RS 920 003-AA Relay Network Control Module Key SpecificationsControl Module – ABB SPTM 6A3 RS 920 003-AA: Manufacturer: ABB Transmit Oy Model / P/N: SPTM 6A3 RS 920 003-AA (RS 160509) Relay Channels: 6 × SPDT (Form C) electromechanical relays Coil Voltage: 24 V DC Contact Rating: 6 A @ 250 V AC resistive / 6 A @ 30 V DC Communication Bus: RS-485 serial (Modbus RTU compatible) Housing & Mounting: DIN-rail mountable PCB with guide tabs Terminals: Removable screw-clamp headers for relays, power, and bus wiring Indicators: Individual LED status for each relay and bus activity Protection: Transient suppression on coils; opto-isolated input stages OverviewThe ABB SPTM 6A3 network control module provides six isolated relay outputs controllable over an RS-485 link, enabling distributed switching and automation in industrial or building-management systems. Its Modbus-RTU compatibility simplifies integration with PLCs or SCADA, while the DIN-rail form factor and screw-clamp connectors offer straightforward installation and field servicing. Robust coil protection and visual feedback via LEDs ensure reliable operation and rapid troubleshooting in demanding control applications.