The Siemens SIRIUS 3RT2016-1CK64-3MA0 is a size S00 power contactor built for switching motor loads in control panels. It carries a 24 VDC coil with screw-type terminals, mounts on a 35 mm DIN rail per DIN EN 60715 via screw or snap-on, and occupies a 45 mm wide by 117 mm deep footprint. At 24 VDC the main contacts are rated for 6 A; derating applies at higher DC voltages — 2 A at 48 V, 2 A at 60 V, 1 A at 110 V, 0.9 A at 125 V, 0.3 A at 220 V, 3 A at 400 V, and 0.2 A at 440 V. These are the DC switching limits, not the AC motor ratings, and govern the part's use in DC load circuits. Switching frequency depends on duty: up to 1,000 cycles/hour in AC-1 (resistive), 750 cycles/hour in AC-2 and AC-3 (motor starting/running), and 250 cycles/hour in AC-4 (plugging/inching). The AC-3e rating also allows 750 cycles/hour.
Mounting and Wiring
Mounts in any orientation: +/-180° rotation on a vertical surface, plus +/-22.5° tilt forward or backward. Clearance requirements: 10 mm upwards, 10 mm forwards, 10 mm downwards, 6 mm at the side. Accepts solid or stranded wire: 0.5 to 4 mm² single, or 2x (0.5 to 1.5 mm²), 2x (0.75 to 2.5 mm²), and 2x 4 mm². The coil connection uses screw-type terminals. No auxiliary switch is included on this variant — if you need auxiliary contacts, they must be added separately.
Environmental and Lifecycle
Rated for operation from -25 °C to +60 °C; storage range is -55 °C to +80 °C. The contactor's lifecycle stage is marked as current production. Mechanical endurance is typical 10,000,000 operations. Arcing time is 10 to 15 ms at AC.