Siemens Sirius 3RF2x Solid State Relays
- Siemens 3RF2050-1AA45, This 50A single-phase solid state relay is from the Sirius 3RF2x series from Siemens. The relay has a switching voltage of 48 to 600V AC & a normally open contact. Additional features include zero crossing & high-power thyristors with high reverse voltage capability. Siemens 3RF2050-1AA45 Semiconductor Relay 48-600 VAC 50A