The Siemens 3RT1016-1AB01-ZW98 is a SIRIUS power contactor in the compact Size S00 frame — 45 mm wide, 57.5 mm tall, 72 mm deep — designed for switching motor loads and resistive circuits in industrial control panels. Rated 10 A at 24 V (AC-12), it handles motor starts and stops in the AC-3 duty class — the 24 V 50/60 Hz coil draws from a standard control transformer, and the contactor is rated for 50 Hz and 60 Hz operation.
The 10 A AC-12 rating means this contactor is sized for resistive loads up to that current at 24 V; for motor duty (AC-3) at 400 V it delivers 4 kW, and at 690 V it delivers 5.5 kW — the higher voltage yields more power through the same frame because motor current drops at higher line voltage. For inductive motor switching (AC-4) at 400 V, the contactor is rated 8.5 A — that's the breaking current under severe starting duty, lower than the AC-3 rating because the arc is harder to quench when switching stalled-rotor current. The auxiliary contact block carries a single instantaneous contact rated 10 A at 24 V, 6 A at 230 V, and 0.3 A at 220 V DC — the DC rating drops sharply with voltage due to the sustained arc in DC circuits. Type 2 coordination (no weld under short circuit) requires a 20 A gL/gG fuse upstream; Type 1 coordination (device may be damaged but no fire) allows a 35 A gL/gG fuse — this matters for selectivity studies in the panel.
Main circuit terminals are screw-type, accepting solid conductors: 2x 0.5–1.5 mm², 2x 0.75–2.5 mm², and up to 2x 0.75–4 mm² stranded — or AWG equivalents 2x 20–16, 2x 18–14, and 1x 12. Operating temperature range is -25 to +60 °C, with a maximum altitude of 2 000 m without derating; pollution degree 3 means it tolerates conductive dust in typical industrial enclosures.