The SIEMENS 3RT2028-1BB40 is a reliable industrial-grade contactor from the SIRIUS S0 series, engineered for controlling motors up to 18.5kW. With a 24V AC coil, 3 poles, and 1NO + 1NC auxiliary contacts, it ensures dependable performance in motor switching operations.
Model: 3RT2028-1BB40
Power Rating: 18.5kW (AC-3)
Current: 38A
Voltage (Coil): 24V AC
Poles: 3P
Auxiliary Contacts: 1NO + 1NC
Size: S0
Mounting: DIN Rail / Screw
Standards: IEC & UL Certified