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3TK2825-1AL20

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Overview of Siemens 3TK2825-1AL20

Shop genuine Siemens 3TK2825-1AL20 Safety Relay today for your automation system. This industrial-grade safety relay is engineered to deliver reliable protection in demanding environments, making it a trusted choice for machine safety applications. The Siemens 3TK2825-1AL20 is designed to monitor emergency stop (E-Stop) circuits and safety gates, ensuring a controlled shutdown during hazardous situations. With compliance up to PLe (EN ISO 13849-1) and SIL 3 (IEC 62061), this relay meets the highest safety standards for industrial automation. Whether you're upgrading your control panel or replacing a legacy component, the Siemens 3TK2825-1AL20 offers proven performance and seamless integration for 24V AC/DC systems.

Key Features of Siemens 3TK2825-1AL20

  • Meets PLe (EN ISO 13849-1) and SIL 3 (IEC 62061) safety standards
  • Monitors E-Stop circuits and protective safety doors/gates
  • Operates on 24V AC/DC for flexible integration
  • 3 x Normally Open (NO) safety outputs for reliable control
  • 1 x Normally Closed (NC) signaling output for status indication
  • Compact 45 mm width for space-saving panel installation
  • Screw terminal connections for secure wiring
  • Autostart and monitored start functions for enhanced safety

Technical Specs of 3TK2825-1AL20

Explore Siemens 3TK2825-1AL20 technical data for detailed parameters covering voltage, I/O, and communication.

Parameter Value
Brand Siemens
Model 3TK2825-1AL20
Supply Voltage 24 V AC/DC
Safety Outputs 3 x NO
Signaling Output 1 x NC
Width 45 mm
Terminal Type Screw
Standards PLe, SIL 3

Applications / Use Case

This Siemens 3TK2825-1AL20 is commonly used in industrial automation worldwide. It is ideal for machine safety circuits in production line systems, factory control panels, and packaging and conveyor operations. The relay’s ability to monitor E-Stop pushbuttons and safety gates makes it essential for ensuring operator safety and regulatory compliance in automated environments.

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3TK2825-1AL20

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