Schütz,Leistungsschalter,Solarwechselrichter,Stromzähler,Solarbatterien
3RT6028-1AN20 is a standard AC contactor under Siemens’ SIRIUS series. It is used to control the on-off operation of loads such as motors in industrial electrical control systems.
| Parameter | Value |
| Brand | Siemens (SIEMENS) |
| Series | SIRIUS 3RT6 Series |
| Rated Control Coil Voltage | AC 220V (50/60Hz) |
| Rated Operating Current | 38A (AC-3 Duty Cycle) |
| Control Power | 18.5kW (400V AC-3) |
| Pole Number | 3 Poles (3P) |
| Auxiliary Contacts | 1 Normally Open (NO) + 1 Normally Closed (NC) |
| Specification Size | S0 |
| Terminal Type | Screw Terminals |
| Insulation Voltage | 690V |
| Pollution Degree | 3 |
Application Scenarios
Motor Control: Suitable for direct start, stop and reverse control of three-phase asynchronous motors below 18.5kW.
Industrielle Automatisierung: Widely used in electrical control systems of various mechanical equipment and production lines.
Pump Equipment: Used for start-stop control of loads such as water pumps and fans.
Compressor Control: Suitable for electrical control of small compressors.
Other Industrial Applications: Such as mixing equipment, conveyor belts, etc.
Product Features
- Hohe Zuverlässigkeit: Adopts Siemens standard manufacturing process and is suitable for harsh industrial environments (-25℃ to +60℃).
- Compact Structure: S0 specification design saves space in the control cabinet.
- Easy Installation: Fixed with M4 screws (torque 1.2~1.6Nm) and supports panel mounting.
- Convenient Maintenance: Built-in auxiliary contacts facilitate signal feedback and interlock control.
- Good Compatibility: Can be used with Siemens thermal overload relays (e.g., 3RV series) to provide a complete motor protection solution.
Selection Instructions
Model Naming Rules:
3RT: Series Code (SIRIUS Contactor)
6: Product Type (6 represents domestic series)
028: Specification Code (S0 size, 38A)
1: Coil Type (1 represents AC coil)
AN20: Coil Voltage (AN represents 220V AC)
Summary
3RT6028-1AN20 is an industrial-grade AC contactor with reliable performance. It is mainly used to control three-phase motors below 38A and within 18.5kW, and is suitable for various industrial automation scenarios. For a complete motor protection solution, it is recommended to use it with a Siemens thermal overload relay.
