Siemens SIRIUS 3RT2 Manual page 79

B.3 Solid-state timing relays with semiconductor output and solid-state time-delay auxiliary switches
①
②
Figure B-2
Article number
3RT2.1.-1
3RT2.2.-1 (AC)
3RT2.2.-1 (DC)
3RT2.3.-2
3RT2.4.-2
SIRIUS 3RA28 function modules for mounting on 3RT2 contactors
Manual, 02/2019, A5E03656507620A/RS-AD/005
Timing relay (mounted)
Contactor
Electronic timing relay with screw connection
a
45
45
45
55
70
b c
57.5 142
85 166
85 176
110 199
140 221
Dimension drawings
d e
28 5
41 5
41 5
55 5
70 8
79