3RT2028-2NP30
Siemens 3RT2028-2NP30 standard contactor, 3 poles, AC-3 rated current 38A, 18.5kW (400V), control voltage AC/DC 200-280V, equipped with 1NO+1NC auxiliary contacts, spring terminals, rated insulation voltage 690V.
Product Positioning
The Siemens 3RT2028-2NP30 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 200-280V), allowing a single coil to handle various control power supplies. It features spring-loaded terminals with 1NO+1NC auxiliary contacts, enabling quick wiring and complete feedback of operating status.
Core Product Advantages and Features
Size S0, 3-pole main circuit
AC-3 rated current 38A, 18.5kW (400V), suitable for general motor start-stop control.
AC/DC 200-280V wide-range coil
A single coil can be used with multiple AC and DC control power supplies, simplifying spare parts management.
Spring-loaded terminal design
Wiring can be completed without screws, making it suitable for vibration environments and quick maintenance.
1NO+1NC auxiliary contact
Provides feedback on the main circuit's operating status, facilitating linkage monitoring and interlocking control.
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