SIRIUS S2 Power Contactor — Panel Integration Note
Rated for AC-2 duty at 22 kW at 400 V and AC-4 at 41 A at 400 V, this contactor handles reversing and inching applications where the load current is interrupted under full motor current. For AC-3 duty, the 30 kW rating at 500 V covers standard squirrel-cage motor starting. Operating temperature range is -25 to +60 °C, with storage from -55 to +80 °C, and pollution degree 3 suits industrial environments with conductive contamination. Maximum switching frequency varies by duty: 1,000 cycles/hour at AC-1, 800 at AC-3, 400 at AC-2, and 300 at AC-4 — the AC-4 figure governs frequent plugging or jogging applications.
Solid conductors: 2x (0.5 to 1.5 mm²), 2x (0.75 to 2.5 mm²), max 2x (0.75 to 4 mm²). Stranded conductors: 2x (0.75 to 25 mm²). Solid or stranded: 2x (0.75 to 16 mm²). These ranges cover standard panel wiring from control circuits to motor feeders.
Auxiliary contacts are rated: 10 A at 24 V, 2 A at 60 V, 1 A at 110 V, 0.3 A at 220 V, 6 A at 230 V, and 3 A at 400 V. These cover typical PLC input signals, relay coils, and indicator lamps across common control voltages.