Jeti SPS20 Electronic Switch 10A J-SPS-20SPS 20 Electronic Switch 10A from Jeti Model J SPS 20 The DPS 40 (twin electronic switch) and SPS 20 (single electronic switch) are electronic switches mainly meant to switch supply voltages of receivers servos, regulators, fuel pumps or similar equipment. A big advantage of electronic switches in comparison to mechanical ones is in general their higher reliability as far as vibration resistance is concerned. Another advantage of the electronic switch