3TK2825-1BB40

The Siemens 3TK2825-1BB40 safety relay is designed to enhance operational safety within various applications. It requires a 24 V DC input voltage for its operation. The relay is equipped with three instantaneous enabling circuits, ensuring quick activation without delay, while it has no delayed enabling circuits for greater responsiveness. Additionally, it includes two normally closed signaling circuits to provide feedback on status.

This model supports both autostart and monitored start functions, allowing for flexible integration into safety systems. With a maximum achievable Safety Integrity Level (SIL) of 3 and a performance level classified as E, this relay meets important safety standards needed for critical controls. The unit maintains a compact design with dimensions of 45 mm in width, 138.5 mm in height, and 120 mm in depth (1.77 x 5.45 x 4.72 inches), making it easy to fit into existing setups. Its weight is 0.404 kg (0.891 lbs.), ensuring manageable installation. The 3TK2825-1BB40 is housed in an IP20 protection class-rated enclosure, suitable for environments free from dust and moisture. For installation, this relay can be mounted using either screw or snap-on methods, offering versatile mounting options.