Circuit diagrams/applications
13.1 Block diagrams
3TK2826 safety relay
64 Manual, 08/2007, GWA NEB 926 1579-02 DS 02
3TK2826-*CW31/2/4 with undelayed and delayed enabling circuits
A1
13
24 32
47 57
48
61
52A2
T3Y33T1Y12 1
Y22 74
Q4
ON
Y34 73
Q1
L
N
14 58
23 31
T2
+
.
.
.
+ 4 4 + 4 4
Figure 13-4 Block diagram 3TK2826-*CW31/2/4
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.
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