The vacuum interrupter technology means the main contacts are sealed in a vacuum chamber, which extinguishes the arc quickly and cleanly — this is the deciding factor for applications with frequent switching or where contact erosion from arcing must be minimized.
The Size S10 designation (210 mm height, 145 mm width, 206 mm depth) defines the panel cutout and mounting hole pattern — the footprint is fixed, so verify your enclosure backplate layout against these dimensions before specifying. This gives the panel builder some alignment tolerance but does not change the required clearance zones. The auxiliary contact block carries rated values of 10 A at 24 V, 2 A at 48 V and 60 V, and 1 A at 110 V — these are the switching capacities for control circuits, not the main power path. The main power terminals accept stranded conductors from 70 to 240 mm². The operating range governs panel ambient conditions; the storage range is wider for handling and warehousing, not running. The magnet coil uses screw-type terminals, with a rated control voltage of 21 to 27.3 V. Mechanical life of the contactor is typically 10 million operations, with maximum switching rates of 750 cycles/hour for AC-1, AC-3, and AC-3e duty, and 250 cycles/hour for AC-2 and AC-4 — the lower rate for AC-4 reflects the harsher breaking conditions of plugging and inching duty.
The lifecycle status is current.