What it is and what it does
The Siemens 3RT1016-1AP05-ZW98 is a SIRIUS power contactor in Size S00, designed for switching motor loads and resistive loads in control panels. It carries a 24 VDC coil and is rated for 10 A at 24 V, with a 3-pole main contact arrangement. The front face is IP20 protected, and the housing is rated for pollution degree 3, so it's suited for industrial environments where dust and conductive contaminants are present.
Mounting and integration
Mounts via screw or snap-on onto a 35 mm DIN rail per DIN EN 50022. The 45 mm width and 57.5 mm height fit standard panel layouts; side-by-side mounting is allowed without derating. Depth is 114 mm, which clears most enclosure depths. Screw-type terminals on the main circuit accept 2x (0.5 to 1.5 mm²), 2x (0.75 to 2.5 mm²), or up to 2x (0.75 to 4 mm²) solid or stranded wire, with AWG equivalents of 2x (20 to 16), 2x (18 to 14), and 1x 12.
Ratings and coordination
Rated for AC-2 duty at 400 V delivering 4 kW, and AC-4 at 400 V with 8.5 A switching current. For motor loads at 500 V, it handles 4.5 kW; at 690 V, 5.5 kW. The coil operates at 50/60 Hz with voltage tolerance of 0.8 to 1.1 at 50 Hz and 0.85 to 1.1 at 60 Hz. For short-circuit protection, Type 2 coordination requires a 20 A gL/gG fuse; Type 1 allows up to 35 A gL/gG. Mechanical life is rated at 30 million cycles typical.