42 Kollmorgen - December 2011
MMC Smart Drive Hardware Manual - SYSTEM POWER DEVICES
Table 4-3: 460V Smart Drive Protection Devices
460V Drive
Model
a
I
2
t
Rating
b
Maximum Fuse
Size
c
Recommended Fuse
Ferraz (Bussmann)
d,e
V
IN
=
230VAC
V
IN
=
460VAC
V
IN
=
230VAC
V
IN
=
460VAC
MMC-SD-1.3-460
< 228A
2
s
11A 9A HSJ6(DFJ6) HSJ6(DFJ6)
MMC-SD-2.4-460
< 228A
2
s
19A 16A HSJ15(DFJ15) HSJ15(DFJ15)
MMC-SD-4.0-460
< 260A
2
s
32A 27A HSJ15(DFJ15) HSJ15(DFJ15)
MMC-SD-6.0-460
< 340A
2
s
49A 41A HSJ20(DFJ20) HSJ20(DFJ20)
MMC-SD-8.0-460
< 616A
2
s
68A 56A HSJ30(DFJ30) HSJ25(DFJ25)
MMC-SD-12.0-460
< 1, 555A
2
s
76A 64A HSJ35(DFJ35) HSJ30(DFJ30)
MMC-SD-16.0-460
< 1, 555A
2
s
96A 80A HSJ40(DFJ40) HSJ35(DFJ35)
MMC-SD-24.0-460
< 1, 555A
2
s
152A 126A HSJ60(DFJ60) HSJ45(DFJ45)
MMC-SD-30.0-460
< 15,000A
2
s
212A 176A
N/A
f
(DFJ80) N/A
f
(DFJ60)
MMC-SD-42.0-460
< 15,000A
2
s
280A 233A HSJ125(DFJ125) HSJ100(DFJ100)
MMC-SD-51.0-460
< 83,700A
2
s
336A 280A HSJ150(DFJ150) HSJ110(DFJ110)
MMC-SD-65.0-460
< 83,700A
2
s
420A 350A HSJ175(DFJ175) HSJ125(DFJ125)
MMC-SDN-1.8-460
< 685A
2
s
6A 6A HSJ6(DFJ6) HSJ6(DFJ6)
MMC-SDN-3.6-460
< 685A
2
s
12A 12A HSJ10(DFJ10) HSJ10(DFJ10)
MMC-SDN-7.2-460
< 685A
2
s
24A 24A HSJ15(DFJ15) HSJ15(DFJ15)
MMC-SDN-14.4-460
< 3,850A
2
s
48A 48A HSJ30(DFJ30) HSJ30(DFJ30)
a. Drive model pertains to analog (no dash suffix) and Digital (-D)
b. This is the maximum “Clearance I
2
t Rating” of a fuse used for Device Protection. Use a fuse that falls
in the operating point below the stated release integral (I
2
t). All of the listed “Combination Fuses”
meet this requirement.
c. This is the maximum fuse size that can be used for Device and Branch Circuit Protection. Kollmor-
gen recommends the use of HSJ or DFJ fuses only.
d. Kollmorgen part numbers for these fuses can be found in Table 4-4 on page 43
e. Listed devices are UL Recognized. These fuses have an Interrupt current of 100,000A
f. Combination fuse not available from Ferraz for this drive