Wieland SNT 4M63K | Base unit, single-channel or dual-channel control

The SNT 4M63K safety relay, is a cutting-edge device designed to prioritize safety in various industrial applications. With its advanced features and compliance with international safety standards, it ensures a secure environment for both people and machinery.

Safety is of paramount importance in any workplace, and our SNT 4M63K safety relay is engineered to provide the utmost protection. Equipped with forcibly guided relays, this two-channel switching device offers self-monitoring capabilities on each ON-OFF cycle, ensuring constant vigilance over safety systems.

Key Features:

• Protection with Precision: The SNT 4M63K is built to conform to EN ISO 13849-1 (PL e /Category 4) and EN 62061 (SILCL 3), making it a reliable choice for safety-oriented applications.
• Versatile Applications: This safety relay can effectively monitor emergency stop applications, safety gates, and various other safety devices, including sliding safety gates, housings, covers, sheetings, and screens.
• Manual or Automatic Start: Whether you prefer a manual start using a reset button or an automatic start triggered by safety inputs, the SNT 4M63K offers flexibility to meet your specific needs.
• Cross Monitoring: With three enabling current paths featuring NO contacts and forcibly guided relays, the safety relay ensures an additional layer of safety verification.

Safety First – Functionality and Performance:

The SNT 4M63K safety relay prioritizes safety with its Stop Category 0 compliance according to EN 60204-1. This means that it halts operations immediately when a safety risk is detected, preventing potential accidents or hazards.

By actively monitoring external contactors through its feedback loop, the SNT 4M63K enhances the safety integrity of the entire system. It acts as a reliable safety sensor, providing critical safety information for quick decision-making.

Circuit Diagram