E6582062ï‚‚
9-7 9. Measures to satisfy standards
3
9
For the classes, current values, and the wire sizes of fuses, refer to the following table.
Max input
voltage (V)
Applicable
motor output
(kW @ND)
Power supply short-circuit current (A)
3-phase
240 V
0.7 - 37
Suitable For Use On A Circuit Capable Of Delivering Not More Than 5,000A
rms Symmetrical Amperes, 240 Volts Maximum When Protected by J Class
Fuses
45
Suitable For Use On A Circuit Capable Of Delivering Not More Than
10,000A rms Symmetrical Amperes, 240 Volts Maximum When Protected
by J Class Fuses
55 - 75
Suitable For Use On A Circuit Capable Of Delivering Not More Than
10,000A rms Symmetrical Amperes, 240 Volts Maximum When Protected
by AR Class Fuses
3-phase
480 V
0.7 - 37
Suitable For Use On A Circuit Capable Of Delivering Not More Than 5,000A
rms Symmetrical Amperes, 480 Volts Maximum When Protected by J Class
Fuses
45 - 90
Suitable For Use On A Circuit Capable Of Delivering Not More Than
10,000A rms Symmetrical Amperes, 480 Volts Maximum When Protected
by J Class Fuses
110 - 132
Suitable For Use On A Circuit Capable Of Delivering Not More Than
10,000A rms Symmetrical Amperes, 480 Volts Maximum When Protected
by AR Class Fuses
160
Suitable For Use On A Circuit Capable Of Delivering Not More Than
18,000A rms Symmetrical Amperes, 480 Volts Maximum When Protected
by AR Class Fuses
220
Suitable For Use On A Circuit Capable Of Delivering Not More Than
18,000A rms Symmetrical Amperes, 480 Volts Maximum When Protected
by J Class Fuses
250 - 280
Suitable For Use On A Circuit Capable Of Delivering Not More Than
18,000A rms Symmetrical Amperes, 480 Volts Maximum When Protected
by T Class Fuses
315
Suitable For Use On A Circuit Capable Of Delivering Not More Than
30,000A rms Symmetrical Amperes, 480 Volts Maximum When Protected
by T Class Fuses