It carries two normally open (NO) instantaneous contacts with no delayed, leading, or lagging switching — the contact set is straightforward: two make contacts that close when the coil picks up.
Rated operational current at AC-12 is 10 A maximum, and at 24 V the contact rating is also 10 A — that's the resistive-load ceiling for the contacts. At higher voltages the current capability drops per the switching curve: 6 A at 230 V, 3 A at 400 V, 2 A at 500 V, and 1 A at 690 V. For a controls integrator, the 10 A AC-12 figure means this contactor can handle the inrush of a bank of contactor coils or a small control transformer, but not a motor load directly — that's what the 3RT power contactor series is for.
Solid wire capacity is specified as 2x (0.5 to 1.5 mm²), 2x (0.75 to 2.5 mm²), and 2x 4 mm² — that's the cross-section range the screw terminals accept. For a panel wireman, the 4 mm² upper limit means you can land a 12 AWG solid conductor comfortably; the 0.5 mm² lower limit covers fine control wiring.
Environmental and protection ratings
Shock resistance is 10g / 5 ms and 5g / 10 ms, which covers most industrial vibration profiles. The rated control supply voltage at 50 Hz is 0.8 to 1.1 times nominal; at 60 Hz it is 0.85 to 1.1 times nominal.
The lifecycle stage for the 3RH1122-1AP00-0AA6 is listed as current production — this is an active catalog item from Siemens, not a phase-out or obsolete part. No successor order code is recorded because none is needed. For a category sourcing manager freezing a BOM, this part is a standard-line item with no imminent PCN risk.