Product Description
Siemens 3TK2827-1BB40 Safety Combination Module
The Siemens 3TK2827-1BB40 is a versatile safety combination module from the SIRIUS 3TK28 series, designed for reliable monitoring of safety-critical applications. This module is ideal for implementing emergency stop (E-STOP) and protective door monitoring functions in automated systems. It provides two instantaneous enabling circuits and two time-delayed enabling circuits, allowing for safe and controlled machine shutdowns. Featuring convenient screw-type terminals for easy and secure wiring, this 24V DC unit delivers robust performance and meets high safety standards, making it a dependable choice for industrial safety engineering.
Technical Specifications:
- Model: 3TK2827-1BB40
- Supply Voltage: 24V DC
- Output Configuration: 2 NO (instantaneous), 2 NO (time-delayed), 1 NC (signaling)
- Connection Type: Screw terminals
- Safety Integrity Level: Up to SIL 3 (IEC 61508), PL e (ISO 13849-1)

Siemens 3TK2827-1BB40 Safety Combination Module
Buy the Siemens 3TK2827-1BB40 SIRIUS safety combination module. This 24V DC safety relay features screw terminals, 2 instantaneous and 2 delayed NO contacts, perfect for E-STOP and safety door applications requiring compliance up to SIL 3 / PL e.






