Schneider Electric TeSys K Series Low Consumption Control Relays. From Schneider Electric this is the Tesys K series of low consumption Control Relays a range of reversing and non-reversing contactors up to 5.5 kW 400/415 V. Providing excellent performance and compactness ratio with seamless integration of all applications. The control relays are available as 4 pole relays with 10 A thermally rated contacts suitable for AC or DC voltages. The Control relays available as low consumption models with built-in suppression suitable for programmable controllers. Features.