Page 804 - ABB_Motor _Protection_and_Control_catalogue_20221216

7/14 ABB MOTOR PROTECTION AND CONTROL

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Thermistor motor protection relays
Circuit diagram

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

V+ V+ V+
A1 A1 A1 or A3
14
22 11 11

T1 T1 T1
M 3~ µC M 3~ M 3~
T2 T2 T2
t t t
2CDC 252 023 F0014 2CDC 252 024 F0014 2CDC 252 025 F0014
21 14 14
13 12 12
A2 A2 A2
V- V- V-

CM-MSS.22 CM-MSS.23 CM-MSS.31

V+ V+ V+
A1 A1 or A3 A1
11 11 14
21 21 22
T1 T1 T1
07
M 3~ M 3~ M 3~ µC
T2 T2 T2
t t t
24 24 21
22 22 13
Reset 14 2CDC 252 026 F0014 Reset 14 2CDC 252 027 F0014 Reset 2CDC 252 028 F0014
12 12
S1 S1 S1
A2 A2 A2
V- V- V-
CM-MSS.32, CM-MSS.41 CM-MSS.33 CM-MSS.51

V+ V+ V+
A1 A1 or A3 A1
11 11 11
21 21 21
1T1
M 3~
T1 T1 t 1T2/
2T2
M 3~ µC M 3~ µC µC
T2 T2
t t
24 24 M 3~ 24
22 22 2T1 22
Reset 14 2CDC 252 015 F0014 Reset 14 2CDC 252 029 F0014 t 14
12 12 12
S1 S1
A2 A2
V- V- Reset 2CDC 252 016 F0014
S1
A2
V-
CM-MSE

1SVC 110 000 F0141