Overview
The Siemens 3RT2028-2AN20 is a highly efficient power contactor from the SIRIUS family, designed for switching three-phase motors and other general loads. Classified as Size S0, it provides a high power density for its compact footprint. This 3-pole contactor is rated for (AC-3e/AC-3) and at .
It features a standard coil for control circuit integration and includes built-in auxiliary contacts. A key feature is the use of spring-loaded terminals for all connections, which ensures fast, simple, and vibration-proof wiring, minimizing maintenance time.
Key Benefit
- High Performance in a Compact Size: Size S0 offers switching capability, saving valuable panel space.
- Reliable Motor Control: Rated for at , ideal for mid-range industrial motor applications.
- Fast, Secure Wiring: Spring-loaded terminals drastically cut down wiring time and provide a gas-tight, reliable connection that is resistant to vibration.
- Integrated Control Contacts: Comes standard with auxiliary contacts, simplifying circuit design and reducing the need for add-on blocks.
Application
The Siemens 3RT2028-2AN20 contactor is the perfect choice for:
- Switching and controlling mid-size pumps, fans, and conveyor systems.
- Integration into motor starters (direct-on-line or reversing).
- Applications requiring vibration-proof and fast-wired connections, such as in machine tools or mobile equipment.
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