Siemens 3RT2017-1JB42 SIRIUS Contactor, Size S00, 24V Coil

The coil is rated 24 V DC, and the magnet coil termination uses screw-type terminals. The contactor pulls in within 38 to 65 ms on DC and arcs in 10 to 15 ms; those timing figures matter if you are coordinating with other devices in a sequence. Main contact ratings are given at several DC voltages: 10 A at 24 V, 2 A at 48 V and 60 V, 1 A at 110 V, 0.9 A at 125 V, 0.3 A at 220 V, and 3 A at 400 V. These are the DC-1 or DC-13 style resistive/inductive loads the contactor can break — so if your load is a DC solenoid or small DC motor at 24 V, it handles 10 A; at higher voltages the current limit drops sharply. No auxiliary switch is built into this base unit, so if you need a feedback contact for the PLC, you will add an auxiliary contact block separately. Switching frequency limits depend on the duty class: 1000 cycles/hour at AC-1 (resistive), 750 at AC-2 and AC-3 (motor starting/running), and 250 at AC-4 (plugging/inching). For a motor switching application at AC-3, that is 750 operations per hour — enough for most conveyor or pump duty cycles. Spacing requirements are 10 mm upward/downward/forward, 6 mm at the side — so plan for those clearances to avoid heat buildup.