Page 761 - Motor protection and control Manual motor starters, contactors and overload relays

ABB MOTOR PROTECTION AND CONTROL 7/5

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Thermistor motor protection relays
Ordering details

The thermistor motor protection relay CM-MSS monitors the winding temperature and thus
protects the motor from overheating, overload and insufficient cooling in accordance to the
product standard IEC 60947-8.

CM-MSx
2CDC 251 004 V0014 Characteristics Type Order code Price Weight
(1 pce)
1 pce
kg (lb)
1SVR550800R9300
CM-MSE
CM-MSS.12S CM-MSE 1SVR550805R9300 0.11 (0.24)
0.11 (0.24)
CM-MSE 1SVR550801R9300 0.11 (0.24)
CM-MSS.11P 1SVR740720R1400 0.119 (0.263)
CM-MSS.11S 1SVR730720R1400 0.127 (0.280)
CM-MSS.12P 1SVR740700R0100 0.105 (0.231)
CM-MSS.12S 1SVR730700R0100 0.113 (0.249)
CM-MSS.13P 1SVR740700R2100 0.147 (0.324)
CM-MSS.13S 1SVR730700R2100 0.155 (0.342)
CM-MSS.21P 1SVR740722R1400 0.118 (0.260)
2CDC 251 013 V0014 CM-MSS.21S 1SVR730722R1400 0.126 (0.278)
1SVR740700R0200
CM-MSS.22P
0.121 (0.267)
CM-MSS.23P
1SVR740700R2200
CM-MSS.41S See "Selection table CM-MSx range" on page 4. CM-MSS.22S 1SVR730700R0200 0.132 (0.291) 07
0.163 (0.359)
CM-MSS.23S 1SVR730700R2200 0.174 (0.384)
CM-MSS.31P 1SVR740712R1400 0.120 (0.265)
CM-MSS.31S 1SVR730712R1400 0.128 (0.282)
CM-MSS.32P 1SVR740712R0200 0.120 (0.265)
CM-MSS.32S 1SVR730712R0200 0.130 (0.287)
CM-MSS.33P 1SVR740712R2200 0.162 (0.357)
CM-MSS.33S 1SVR730712R2200 0.172 (0.379)
2CDC 251 014 V0014 CM-MSS.41P 1SVR740712R1200 0.130 (0.287)
1SVR730712R1200
CM-MSS.41S
0.141 (0.311)
1SVR730712R1300
CM-MSS.51S
0.145 (0.320)
CM-MSS.51S CM-MSS.51P 1SVR740712R1300 0.135 (0.298)
S: screw connection
P: push-in connection

Further documentation thermistor motor
protection monitoring relays on www.abb.com