ACQ550-U1 User’s Manual 277
Technical data
Power terminal considerations – R6 frame size
WARNING! For R6 power terminals, if screw-on terminal lugs are supplied, they can
only be used for wire sizes that are 95 mm
2
(3/0 AWG) or larger. Smaller wires will
loosen and may damage the drive. They require crimp-on ring lugs as described
below.
Crimp-on ring lugs
On the R6 frame size, if screw-on terminal lugs are
supplied but the cable size used is less than 95
mm
2
(3/0 AWG), or if no screw-on terminal lugs
are supplied at all, use crimp-on ring lugs
according to the following procedure.
1. Select appropriate ring lugs from the following
table.
2. Remove the screw-on terminal lugs, if supplied.
3. Attach the ring lugs to the drive end of the cables.
4. Isolate the ends of the ring lugs with insulating
tape or shrink tubing.
5. Attach the ring lugs to the drive.
Wire size
Manufacturer Ring lug
Crimping
tool
No. of
crimps
mm
2
kcmil/
AWG
16 6
Burndy YAV6C-L2 MY29-3 1
Ilsco CCL-6-38 ILC-10 2
25
4
Burndy YA4C-L4BOX MY29-3 1
Ilsco CCL-4-38 MT-25 1
35
2
Burndy YA2C-L4BOX MY29-3 2
Ilsco CRC-2 IDT-12 1
Ilsco CCL-2-38 MT-25 1
50
1
Burndy YA1C-L4BOX MY29-3 2
Ilsco CRA-1-38 IDT-12 1
Ilsco CCL-1-38 MT-25 1
Thomas & Betts 54148 TBM-8 3
55
1/0
Burndy YA25-L4BOX MY29-3 2
Ilsco CRB-0 IDT-12 1
Ilsco CCL-1/0-38 MT-25 1
Thomas & Betts 54109 TBM-8 3
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