What it is
The Siemens 3RT2016-1MB41-0KT0 is a SIRIUS coupling contactor, size S00, with a 24 V DC coil and screw-type terminals, no auxiliary switch. It is mounted via screw and snap-on onto 35 mm DIN rail per DIN EN 60715.
Key ratings and what they mean
Pickup voltage is 0.85 times the rated 24 V. Arcing time 10...15 ms; mechanical life 30 000 000 operations. Operating ambient temperature range of -25 to +60 °C covers most industrial enclosures; storage range -55 to +80 °C. Conductor cross-section: solid or stranded 0.5 to 4 mm², with detail for multiple conductors: 2x (0.5...1.5 mm²), 2x (0.75...2.5 mm²), 2x 4 mm².
Mounting and spacing
DIN-rail mount with a 45 mm width. Required clearances: 10 mm upward and forward, 10 mm downward, 6 mm at the sides. Mounting position allows +/-180° rotation on vertical surface, and +/-22.5° tilt forward/backward.