27
VLT
®
Series 3500
DANGER
!
The drive voltage is dangerous when connected to the
AC line and up to 14 minutes after the unit has been
disconnected. Electrical installation is only to be carried
out by a qualified electrician. Incorrect mounting of the
motor or the drive may result in damage to the
equipment, serious personal injury or death. The
instructions in this manual must be complied with,
together with national and local safety regulations.
NOTE
It is the responsibility of the user or the electrician
to ensure that the drive is properly grounded in
accordance with applicable national and local
standards.
Input Fuses
For VLT Type 3502-3562 drives, external input fuses
must be installed in the power supply for the drive, if not
specified as a drive option. The maximum size of the
input fuses is shown below. For VLT Type 3575 - 3800
460 volt, and VLT 3542 - 3562 208/230 volt drives, the
input fuses are included in the basic drive. All fuses must
be Bussman JJN for 200 - 230 volt drives, JJS for 380 -
415 and 440 - 500 volt drives or exact equivalent.
Input Voltage VLT Max. Fuse
Type Rating
200 - 230 V 3502 20 A
3504 25 A
3508 40 A
3511 50 A
3516 60 A
3522 80 A
3532 125 A
3542 150 A
3552 150 A
3562 150 A
Input Voltage VLT Max. Fuse
Type Rating
380 - 415 V 3502 16 A
3504 16 A
3505 16 A
3508 25 A
3511 25 A
3516 50 A
3522 63 A
3532 63 A
3542 80 A
3552 100 A
3562 125 A
Input Voltage Max. Drive Max. Fuse
Output Current Rating
440 - 500 V 3502 10 A
3504 20 A
3506 25 A
3508 25 A
3516 30 A
3522 40 A
3532 50 A
3542 60 A
3552 100 A
3562 125 A
NOTE: It is the responsibility of the user or person
installing the drive to provide proper grounding and
branch circuit protection for incoming power and motor
overload according to the National Electrical Code (NEC)
and local codes.
The Electronic Thermal Relay (ETR) in UL listed VLTs
provides Class 20 motor overload protection in
accordance with NEC in single motor applications, when
parameter 315 is set for
“TRIP”, parameter 311 is set of
“0”,
and parameter 107 is set for rated motor (nameplate)
current.
Power and Motor Terminals
The terminals for both the three phase AC line input and
the motor output are located in the lower portion of the
enclosure of the drive.
The electronic thermal relay (ETR) cannot be used for
more than one motor running at a time. ETR has been
UL approved for operating individual motors only when
parameter 315 has been set to TRIP, parameter 311 has
been set to 0 sec., and parameter 107 has been
programmed to match the rated motor (nameplate)
current.
The AC line supply and the motor must be connected as
shown on the following pages. Refer to the appropriate
figure for your VLT type.
NOTE: Shielded motor cable is optional in most U.S.
applications. Refer to CE Marking section in this manual.
The shield on the motor wire, if used, should be
connected to earth ground at both the drive and the
motor.
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