What is the main function of this Siemens safety contactor?
The Siemens 3TK2806-0BB4 is a contactor safety combination for safety circuits, enabling and signaling circuits with 5 NO (normally open) and 1 NC (normally closed) contacts. It features a self-latching mechanism and operates on 24V DC.
Is this part suitable for residential environments?
No, the 3TK2806-0BB4 is suitable for Class A environments only. It may cause undesired radio-frequency interference in residential environments. If this occurs, the user must take appropriate measures.
What type of electrical connections does this part have?
The 3TK2806-0BB4 does not have a plug-in socket for electrical connections. It supports solid and finely stranded conductors with specific cross-sections. For solid conductors, it accepts 1x (4 mm²) or 2x (1 to 2.5 mm²), and for finely stranded conductors with core end processing, it accepts 2x (0.75 to 1.5 mm²).
Does this part have any certifications or approvals?
The Siemens 3TK2806-0BB4 does not have TÜV, UL, or BG BIA certifications or approvals.
Is this part suitable for monitoring safety-related circuits?
No, the 3TK2806-0BB4 is not suitable for monitoring safety-related circuits, position switch monitoring, EMERGENCY-OFF circuit monitoring, valve monitoring, tactile sensor monitoring, or magnetically operated switch monitoring.