Page 803 - ABB_Motor _Protection_and_Control_catalogue_20221216

ABB MOTOR PROTECTION AND CONTROL 7/13

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Thermistor motor protection relays
Connection diagrams

CM-MSS.11, CM-MSS.21 CM-MSS.12 CM-MSS.13 CM-MSS.31

A1 13 21 A1 11 A1 11 A1 13 21
T2 T1 T2 T1 A3 T2 T1 S1 T2 T1
T1 A1 14 22 11 T1 A1 A3 11 T1 A1 14 22
T1 A1
ϑ ϑ ϑ S1 ϑ
2CDC 252 018 F0014 2CDC 252 022 F0014 2CDC 252 020 F0014 2CDC 252 047 F0014
T2 A2 13 21 T2 A2 12 14 T2 A2 12 14 T2 A2 13 21

14 22 A2 14 12 A2 14 12 A2 14 22 A2

A1 – A2 Control supply voltage A1 – A2 Control supply voltage A1 – A2 Control supply voltage A1 – A2 Control supply voltage
220-240 V AC
13 – 14 n/o contact 11 – 12/14 c/o contact 13 – 14 n/o contact
A2 – A3 Control supply voltage
21 – 22 n/c contact T1 – T2 Measuring circuit 110-130 V AC 21 – 22 n/c contact
T1 – T2 Measuring circuit 11 – 12/14 c/o contact S1 – T2 Automatic reset
T1 – T2 Measuring circuit (jumpered)
T1 – T2 Measuring circuit

07

CM-MSS.22, CM-MSS.32, CM-MSS.41 CM-MSS.23, CM-MSS.33 CM-MSS.51 CM-MSE

A1 11 21 A1 11 21 A1 11 21 A1 T1 T2
T2 T1 A3 T2 T1 1T1 1T2/2T2 2T1
T1 A1 11 21 T1 A1 A3 11 21 T1 A1 13
1T1 A1 11 2T1 A1 21
S1 ϑ S1 ϑ S1 ϑ S1 ϑ ϑ

T2 A2 12 14 22 24 T2 A2 12 14 22 24 1T2/2T2 A2 12 14 1T2/2T2 A2 22 24 T2 A2 14
24 22 S1 2CDC 252 019 F0014 24 22 S1 2CDC 252 021 F0014 24 22 S1 2CDC 252 017 F0014 1SVC 110 000 F0140
14 12 A2 14 12 A2 14 12 A2 13 14 A2

A1 – A2 Control supply voltage A1 – A2 Control supply voltage A1 – A2 Control supply voltage A1 – A2 Control supply voltage
24 V AC/DC 220-240 V AC 220-240 V AC 24 V AC
11 – 12/14 1st c/o (SPDT) contact A2 – A3 Control supply voltage 11 – 12/14 1st c/o (SPDT) contact T1-T2 Sensor circuit
110-130 V AC
21 – 22/24 2nd c/o (SPDT) 21 – 22/24 2nd c/o (SPDT) 13-14 Output contact -
contact contact Closed circuit
S1 – T2 Automatic reset 11 – 12/14 1st c/o (SPDT) contact S1 – 1T2/2T2 Automatic reset principle
(jumpered) 21 – 22/24 2nd c/o (SPDT) (jumpered)
contact
T1 – T2 Measuring circuit 1T1 – 1T2/2T2 Measuring circuit 1
S1 – T2 Automatic reset
(jumpered) 2T1 – 1T2/2T2 Measuring circuit 2
T1 – T2 Measuring circuit