3RT2028-1NF30

Siemens 3RT2028-1NF30 standard contactor, 3 poles, AC-3 rated current 38A, 18.5kW (400V), control voltage AC/DC 95-130V, equipped with 1NO+1NC auxiliary contacts, screw terminals, rated insulation voltage 690V.

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Siemens 3RT2028-1NF30 Standard Contactor, Size S0, 3-pole, AC/DC 95-130V
Product Positioning

The Siemens 3RT2028-1NF30 is a Size S0, 3-pole standard contactor from the SIRIUS 3RT20 series. It has an AC-3 rated current of 38A and a rated current of 18.5kW (400V), suitable for direct starting and circuit switching of general motors. This model uses a wide-range electronic coil (AC/DC 95-130V), suitable for control power supply environments near 110V, and features screw terminals and 1NO+1NC auxiliary contacts, providing complete feedback on operating status.

Core Product Advantages and Features
Size S0, 3-pole main circuit
AC-3 rated current 38A, 18.5kW (400V), suitable for direct start and stop of general motors.
AC/DC 95-130V wide-range coil
It covers common AC and DC control power supplies around 110V, offering high flexibility in selection.
Screw terminals
The wiring is reliable and conforms to the existing construction practices of most distribution boxes.
1NO+1NC auxiliary contact
The feedback of the main contact's action status facilitates the integration of interlocking protection and monitoring.
project Specification
Applicable series/Size SIRIUS 3RT20 series, Size S0
Extreme number 3 poles
Rated current (AC-3) 38A
Rated power (400V) 18.5kW
Control/coil voltage AC/DC 95-130V
Auxiliary contact configuration 1NO+1NC
Terminal type screw type
Rated insulation voltage 690V
Applicable temperature range -25°C ~ 60°C
Installation method Rail quick-release/panel mounting

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