Combinations With 3Rt20 Contactor - Siemens 3UG4 User Manual

3RR2 current monitoring relays
4.3 Performance features of current monitoring relays
4.3.4

Combinations with 3RT20 contactor

Monitoring relay type
3RR2141
3RR2241
3RR2142
3RR2242
3RR2143
3RR2243
X = with stand-alone assembly support
You can find further technical information on 3RR24 in the Manual "3UG48/3RR24
monitoring relays for IO-Link
(http://support.automation.siemens.com/WW/view/en/54375430)" on the internet.
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Current range 3RT20 1 S00 contactors
3/4/5.5/7.5 kW
1.6 to 16 A
1.6 to 16 A
4.0 to 40 A
4.0 to 40 A
8.0 to 80 A
8.0 to 80 A
3RT20 2 S0 contactors
5.5/7.5/11/15/18.5 kW
✓
✓
X
X
X
X
Manual, 05/2016, NEB927043002000/RS-AC/004
3RT20 3 S2 contactors
18.5/22/30/37 kW
X
X
✓
✓
X
X
3UG4 / 3RR2 monitoring relays
X
X
X
X
✓
✓