Siemens 3TK2825-1AJ20 Safety Contactor

The Siemens 3TK2825-1AJ20 provides robust performance and high reliability, tailored to meet stringent safety requirements in industrial environments, making it an ideal solution for safety-critical applications

Technical Specifications of Siemens 3TK2825-1AJ20：

² Series: SIRIUS 3TK28

² Rated Operational Voltage: 24 V DC

² Rated Current: Up to 38 A (AC-3 operation)

² Rated Insulation Voltage: 690 V

² Utilization Category: AC-1, AC-3 for various motor and resistive loads

² Contacts: 4 NO (normally open) contacts

² Coil Voltage: 24 V DC

² Operating Temperature Range: -25°C to +60°C

² Certifications and Compliance: CE, UL, CSA, and IEC compliant for global applications

Features of Siemens 3TK2825-1AJ20

1) High Safety Standards: It is specifically designed for safety applications with forced-guided contacts and meets SIL and PL standards.

2) Robust Contact System: Durable contacts engineered for frequent switching cycles, ensuring reliability in safety-critical operations.

3) Compact and Modular Design: This space-saving design is suitable for use in confined control panels and easily integrates into various safety circuits.

4) Long Electrical and Mechanical Life: It is built to withstand extensive wear, ensuring minimal downtime and high operational efficiency.

5) Diagnostic Feedback: Provides clear status indication via LED for real-time operational status monitoring, aiding in quick troubleshooting.

6) Simple Installation and Wiring: Push-in terminals and modular assembly allow quick setup and reduced installation costs.

7) Compatible with Safety Relays: This can be combined with Siemens safety relays, making it versatile for integration in complex safety systems.

Applications of Siemens 3TK2825-1AJ20

The Siemens 3TK2825-1AJ20 is optimized for applications that require enhanced safety and high switching frequency, such as:

①　Emergency Stop Circuits: Ideal for applications requiring quick motor shutdown in hazardous scenarios.

②　Machine Safety Systems: Commonly used in machinery that needs secure power cut-offs to ensure operator and equipment safety.

③　Industrial Automation and Manufacturing: Essential for safeguarding automated production lines, ensuring reliable and safe operation.

④　Material Handling and Robotics: Suitable for safety-critical applications in robotics and conveyor systems, ensuring controlled operation in case of faults.

Related Part Numbers of Siemens 3TK2825-1AJ20

v 3TK2830-1AB20: A higher rated model for applications requiring greater operational current.

v 3RH2131-1BB40: Auxiliary contact block for additional signalling and feedback.

v 3RM1002-3AA04: A related safety relay module for enhanced safety integration with Siemens SIRIUS systems.

v 3TK2834-1BB40: Advanced safety contactor with more contact options for complex safety applications.