Siemens SIRIUS 3RT Series System Manual page 106

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