29
10.12 Fuses
Fuses are to be installed in the power circuits as a short circuit protection. Fuses with a time lag are to be used.
The table shows the nominal current on sizes:
Three-phase 50Hz
Three-phase 60Hz
Pump
230V
400V
500V
690V 1000V
Starting
current
factor
Pump
230V
380V
460V
575V
Starting
current
factor
J 205
68A
39A
31A
-
16A
7.5
J 205
82A
-
41A
33A
6.0
J 405
-
66.5A 53.2A 39A
27A
6.9
J 405
136A
82A
68A
54A
7.2
J 604
184A 106A
84A
-
42A
5.5
J 604
226A
-
113A
91A
6.0
10.13 Winding resistance
Correct readings should be:
Pumptype
50 Hz
60 Hz
Resistance
J 205
230/400 V
-
0.18 ohm
230/460 V 0.68 ohm
400/690 V
460 V
0.50 ohm
500/865 V
575 V
0.79 ohm
1000 V
1.10 ohm
J 405
400/690 V
460 V
0.198 ohm
500/865 V
575 V
0.326 ohm
1000 V
0.429 ohm
J 604
400/690 V
460 V
0.128 ohm
500 V
575 V
0.198 ohm
1000 V
0.255 ohm
Summary of Contents for J 205
Page 30: ...30 11 Sectional drawing Tools J 205 ...
Page 31: ...31 J 405 ...
Page 32: ...32 J 604 ...
Page 37: ...37 ...