It mounts via screw or snap-on onto 35 mm DIN rail per DIN EN 60715, and the mounting position allows ±180° rotation on a vertical surface plus ±22.5° tilt forward/backward — useful when panel layout is tight.
Depth is 195 mm — that's the dimension that governs how deep your enclosure needs to be. Width is 70 mm, height 140 mm. On a 600 mm deep panel you can still fit a cable duct behind it; on a 200 mm shallow box you'll have to check the bend radius of the outgoing power cables. Solid conductor range is 2.5 to 16 mm²; stranded goes from 6 to 70 mm². That covers most motor branch circuits up to about 65 A. The screw-type coil terminals accept 2x (0.5 to 1.5 mm²) or 2x (0.75 to 2.5 mm²) — fine for control wiring. No special crimp tool needed for the coil. Coil inrush peaks at 6.5 A, steady-state draw is 3.5 VA at both 50 and 60 Hz. That's within the range of a standard 24 VDC power supply — just make sure the supply can handle the inrush if you're switching several contactors at once.