The 3RT2027-1FB48-0ME1-ZX95 is a Siemens SIRIUS power contactor in size S0, rated for 27 A at 480 V and controlled by a 24 VDC coil.
Clearance and wiring constraints
That 6 mm side gap is the binding constraint — adjacent components on the DIN rail must respect it to avoid arc flash or heat buildup.
Switching performance and mechanical life
Arcing time is a consistent 10 ms, and the DC operating time (coil pickup + dropout) spans 15 to 17.5 ms — useful for timing coordination in sequential-start schemes. Mechanical life is typical at 10 million operations, so this contactor is suited for frequent cycling in conveyor or pump applications, not just infrequent isolation.
