Siemens Sirius 3TK2826 - Page 63

Circuit diagrams/applications
13.1 Block diagrams
3TK2826 safety relay
Manual, 08/2007, GWA NEB 926 1579-02 DS 02
63
3TK2826-*BB41/2/4 with undelayed and delayed enabling circuits
A1 23
24 32
47
48
61
62
A2
T3Y33T1Y12 1
Y22
84
Q4
ON
Y34
74

Q1
24V DC
M
14 58
31
13
57
T2
.
.
.
H1 H2 Q1 Q2 H3 Q3 Q4 H4
Figure 13-3 Block diagram 3TK2826-*BB41/2/4
WARNING
Short circuit protection in accordance with IEC 60 947-5-1
The device must have an upstream fuse, 4 A gL/gG or 6 A quick-response, as short circuit
protection.