Instruction manual

KRB-5377
27
Tables 11 - 16 show the ratings of the operation power supply, the shunt trip device (SHT), the undervoltage trip device (UVT),
auxiliary switches, position switches, operation indication contacts, and the N-phase CT.
Table 11 Ratings of operation power supply
Ratings of operation power supply
Rated voltage
(V)
Permissible
charging/closing
voltage range
Peak motor starting
current (A)
Steady-state motor
current (A)
Peak making current
(A)
Latch release coil
(LRC) resistance
(ohm) *
AC100 85 - 110 7 1.1 0.29 300-380
AC110 94 - 121 7 1.1 0.25 350-440
AC120 102 - 132 7 1.1 0.22 440-540
AC200 170 - 220 4 0.7 0.14 1210-1490
AC220 187 - 242 4 0.7 0.13 1410-1740
AC240 204 - 264 4 0.7 0.11 1710-2090
DC24 20 - 26 14 4 1.04 20-26
DC48 41 - 53 10 1.6 0.51 85-105
DC100 85 - 110 6 0.8 0.25 350-440
DC110 94 - 121 6 0.8 0.22 440-540
DC125 106 - 138 6 0.8 0.21 540-680
DC200 170 - 220 4 0.5 0.13 1410-1740
DC220 187 - 242 4 0.5 0.12 1710-2090
* Ambient temperature: 20°C
Table 12 Ratings of shunt trip device (SHT)
Rated voltage (V)
Permissible voltage
range (V)
Peak exciting current
(max.)
(A)
Coil resistance (ohm)
*
Max. contact parting
time (ms)
AC100 70-110 0.29 300-380
AC110 77-121 0.25 350-440
AC120 84-132 0.22 440-540
AC200 140-220 0.14 1210-1490
AC220 154-242 0.13 1410-1740
AC240 168-264 0.11 1710-2090
DC24 16.8-26.4 1.04 20-26
DC48 33.6-52.8 0.51 85-105
DC100 70-110 0.25 350-440
DC110 77-121 0.22 440-540
DC125 87.5-137.5 0.21 540-680
DC200 140-220 0.13 1410-1740
DC220 154-242 0.12 1710-2090
40
* Ambient temperature: 20°C
Table 13 Ratings of undervoltage trip device (UVT)
Power consumption (VA)
Rated voltage
(V)
Opening voltage
range (V)
Attraction voltage
(V)
Coil exciting
current (A)
Normal Attraction
Coil resistance (ohm) *
AC100 35 - 70 85
AC110 38.5 - 77 93.5
AC120 42 - 84 102
AC200 70 - 140 170
AC220 77 - 154 187
AC240 84 - 168 204
AC380 133 - 266 323
AC415 145 - 290 352
AC440 154 - 308 374
DC24 8.4-16.8 20.4
DC48 16.8-33.6 40.8
DC100 35-70 85
0.1 8 10
Holding coil: 410 – 510
Attraction coil: 5.6-6.8
* Ambient temperature: 20°C