ELECTRICAL INSTALLATION
Wiring Guidelines
36
Wire Sizing
Size power wire to maintain a voltage drop less than 2% at VFD or motor terminals.
Frame A:
Use only copper conductors rated for at least 75
C and 600 V. Use cable with a 90
C rating if
ambient environment is greater than 50
C.
Frame B and above:
Use only copper conductors rated for at least 75
C and 600 V. Use cable with a 90
C
rating if ambient environment is greater than 40
C (30
C for models CXD-061A-2V, CXD-105A-2V,
CXD-370A-4V, or CXD-930A-4V).
460 and 575 V applications:
Install a load (output) reactor to protect motor windings if distance from VFD
to a motor is in the range 45-100 feet. Install output dV/dt filter for a range 100-1000 feet (800 feet for sub
-
mersible pumps) or a sine wave filter for greater distances.
Motor Cable Lengths for Submersible Pumping Applications
Refer to the Franklin Electric AIM Manual for wire gauge and distance information.
NOTE:
Output reactors or filters are not required for 200/230V applications.
Model
Input Current
Class J Fuse Size
Breaker Size
Constant Torque Variable Torque
575V
\
690V
CXD-180A-6V
148 A
178 A
350 A
350 A
CXD-220A-6V
178 A
217 A
400 A
400 A
CXD-290A-6V
222 A
292 A
450 A
450 A
CXD-350A-6V
292 A
353 A
500 A
500 A
CXD-430A-6V
353 A
454 A
700 A
700 A
CXD-465A-6V
388 A
469 A
800 A
800 A
CXD-590A-6V
504 A
595 A
1250 A
1250 A
CXD-675A-6V
681 A
681 A
1400 A
1400 A
Содержание Cerus X-Drive
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