Siemens SIRIUS 3RT1017-1AP08-0MA6 — S00 Power Contactor, 24 VDC Coil
Mounts via screw or snap-on onto 35 mm DIN rail per EN 50022, which is the standard rail profile across European and global panels. The compact footprint — 45 mm wide, 57.5 mm tall, 114 mm deep — fits into tight enclosure layouts without forcing a larger cabinet. The screw-type terminals on the main current circuit accept 2x (0.5 to 1.5 mm²) solid or stranded, 2x (0.75 to 2.5 mm²), or up to 2x (0.75 to 4 mm²). For AWG, that is 2x (20 to 16) or 2x (18 to 14) or 1x 12. The terminal is rated IP20 — finger-safe once wired, but the front face of the contactor is also IP20, so it can sit in an open panel without an additional cover.
Motor Switching and Duty Ratings
For motor loads, the AC-2 rating at 400 V is 5.5 kW, and the AC-4 rating at 400 V is 8.5 A. AC-4 covers reversing and inching duty where the contactor makes and breaks the motor at full locked-rotor current — so if your application does frequent plugging or jogging, this is the number that matters, not the AC-1 resistive rating. At 500 V the motor power rating is 5.5 kW; at 690 V it is also 5.5 kW. The contactor is rated for both 50 Hz and 60 Hz operation, with the operating range spanning 0.8 to 1.1 times the rated voltage at 50 Hz and 0.85 to 1.1 at 60 Hz. The auxiliary contact block carries 10 A at 24 V, 2 A at 60 V, 1 A at 110 V, 0.3 A at 220 V, and 6 A at 230 V. That covers most PLC-level signal circuits and relay loads.
Coordination and Protection
For Type 1 coordination (no short-circuit damage to the contactor, but it may need replacement after a fault), the required upstream fuse is gL/gG 35 A. For Type 2 coordination (contactor remains operational after a fault), the fuse is gL/gG 20 A. This is a standard distinction — Type 2 is what most panel builders specify for production lines where downtime matters. The contactor is rated for pollution degree 3, which covers industrial environments with conductive or dry non-conductive pollution. Operating temperature range is -25 to +60 °C, and the maximum installation altitude is 2 000 m without derating. Mechanical endurance is typical 30 million operating cycles — that is the mechanical life before the contactor wears out, not the electrical life under load. Electrical life will be shorter and depends on the switching current and duty class.
Sourcing and Availability
Same part, different passport — if you are comparing pricing across regions, this order code is the global Siemens part number. The 0MA6 suffix indicates a specific coil variant and auxiliary configuration; it is not a regional market code. Genuine is genuine regardless of which Siemens factory it came from.