Key electrical and mechanical ratings
The 3RT2038-1KB44-3MA0 is a Siemens SIRIUS coupling contactor in size S2 with a 24 V DC coil and screw-type terminals. Coil holds at 6 A at 24 V rated value, with an inrush peak of 2.6 A. Operating ambient range of -25 to +60 °C; storage range -55 to +80 °C.
Mounting and clearances
Fastens via screw and snap-on onto 35 mm DIN rail per DIN EN 60715. Accepts ±180° rotation on a vertical surface and can be tilted forward/backward by ±22.5°. Requires 10 mm clearance upward and forward, 6 mm at the sides, and 10 mm downward. Dimensions: 174 mm depth, 55 mm width, 114 mm height.