Model
Nominal
rating [A]
Short-circuit ratings
600 V short-
circuit current
rating [kA]
3 cycles
1)
High available
Standard fault current
@480 V AC
maximum [kA]
Maximum fuse
rating [A]
(fuse class)
@600 V AC [kA]
Ferraz/Mersen
fuse, listed J, L,
or RK5 class
fuse
Ferraz/Mersen
fuse, R/C
semiconductor
fuses
MCD5-0245C
255
65
350 (RK1/J)
18
AJT300
A070URD30XXX
0450
N/A
MCD5-0360C
360
65
400 (J)
18
AJT400/RK 5
500
A070URD33XXX
0630
MCD5-0380C
380
65
450 (J)
18
AJT450/RK 5
500
A070URD33XXX
0700
MCD5-0428C
430
65
450 (J)
30
AJT450
A070URD33XXX
0700
MCD5-0595C
620
65
800 (L)
42
A4BQ800
A070URD33XXX
1000
MCD5-0619C
650
65
800 (L)
42
A4BQ800
A070URD33XXX
1000
MCD5-0790C
790
65
1200 (L)
42
A4BQ1200
070URD33XXX1
400
MCD5-0927C
930
65
1200 (L)
42
A4BQ1200
A070URD33XXX
1400
MCD5-1200C
1200
65
1600 (L)
85
A4BQ1600
A065URD33XXX
1800
MCD5-1410C
1410
65
2000 (L)
85
A4BQ2000
A055URD33XXX
2250
MCD5-1600C
1600
65
2000 (L)
85
A4BQ2500
A055URD33XXX
2500
Table 4.13 Short Circuit Ratings, Non-bypassed Models
XXX = blade type: See Ferraz/Mersen catalog for details.
1) When protected by any UL-listed fuses or UL-listed circuit breakers sized according to the NEC, models provided with a 3-cycle rating are
suitable for use in a circuit with the prospective current noted.
Electrical Installation
VLT
®
Soft Starter MCD 500
32
Danfoss A/S © 05/2016 All rights reserved.
MG17K602
4
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