Siemens 3RT1016-1GX21-0AA2-ZX95 — SIRIUS Size S00 Contactor
The Siemens 3RT1016-1GX21-0AA2-ZX95 is a 3-pole contactor rated for 4 kW at 400 V AC in AC-3 duty. The coil is wound for 21.6...31.9 V AC, with an integral bridge rectifier.
Lifecycle and Sourcing
Lifecycle stage is listed as current — meaning Siemens still manufactures this order code as an active catalog line. No phase-out or last-time-buy notice is available.
What the Ratings Mean for Fit
The 4 kW / 400 V AC-3 rating is the headline selection figure. The 1 NO auxiliary contact is built in.