SIRIUS 3RT2 contactors/contactor assemblies
2.2 Product description
SIRIUS Innovations
106 System Manual, 01/2011, A8E56203870002-03
The illustrations below show example equipment features of the 3RH2 contactor relays for
switching in the auxiliary circuit.
3RH21 contactor relay, 4-pole
12
1&
1&
12
$
12
1&
1
&
12
$
5+
1 Coil terminal on the front
2 Location hole for surge suppression
3 Location hole for 1-, 2-, and 4-pole auxiliary switch blocks
4 Labeling plate
5 Auxiliary contacts
Figure 2-3 3RH21..-..... contactor relay, 4-pole, size S00, overview
3RH22 contactor relay, 8-pole
12
1&
1&
12
$
12
1&
1
&
12
$
5+
12
1&
1&
12
12
1&
1&
12
1 Coil terminal on the front
2 Location hole for surge suppression
3 Labeling plate
4 Auxiliary contacts
Figure 2-4 3RH22..-..... contactor relay with auxiliary switch block on the front which cannot be
removed, 8-pole, size S00, overview