Danfoss VLT FC 103, Руководство по эксплуатации, Страница: 91 / 182

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Model Fuse P/N Fuse size Rated cur-
rent [A]
Minimum pro-
spective SC cur-
rent of the grid
[kA] Maximum fuse
rating F1 [A] Minimum volt-
age rating [V] Type F1
N560 Mersen NH4GG69V800 4 800 19 800 690 gG/gL
N630 Mersen NH4GG69V800 4 800 19 800 690 gG/gL
N710 ABB OFAA4AM1000 4 1000 25 1000 690 aM
N800 ABB OFAA4AM1000 4 1000 25 1000 690 aM
5.9.3 Recommended Fuse Ratings for UL Installation
The fuses and MCCBs contained in the enclosed drive are suitable for both short circuit and branch circuit protection. Use only these
fuses.
UL Approval is valid for maximum input voltage of 600 V. Per UL508A, the short-circuit current rating (SCCR) is as follows:
Enclosed drives with a fusible disconnect or fusible disconnect and contactor option have 65 kA SCCR at the rated voltage.
Enclosed drives with single switchgear (mains contactor only or non-fusible disconnect only option) have a 5 kA SCCR, but can
reach 65 kA if the recommended Class fuses are used upstream.
Enclosed drives with the MCCB option have a 65 kA interrupting rating for 380–480 V, and a 50 kA interrupting rating for525–
690 V.
The table values are calculated using correction factors for a 40 °C (104 °F) ambient operating condition and using cables with a
minimum insulation rating of 90 °C (194 °F).
Table 67: Recommended Fuse Ratings for UL Installation, 380–480 V
Model Fuse P/N (Mersen) Fuse P/N (Danfoss) Maximum current
[A]
Maximum fuse rat-
ing F1 [A] Minimum voltage
rating [V] Class F1
N110 A4J300 70CPE10965 300 300 500 Class J
N132 A4J350 70CPE10966 350 350 500 Class J
N160 A4J400 70CPE10522 400 400 500 Class J
N200 A4J500 70CPE10968 500 500 500 Class J
N250 A4J600 70CPE10523 600 600 500 Class J
N315 AABY750 70CPE10969 750 750 500 Class L
N355 A4BY800 70CPE10974 800 800 500 Class L
N400 A4BY1000 70CPE10975 1000 1000 500 Class L
N450 A4BY1000 70CPE10975 1000 1000 500 Class L
N500 A4BY1100 70CPE10976 1100 1100 500 Class L
N560 A4BY1200 70CPE10977 1200 1200 500 Class L
Table 68: Recommended Fuse Ratings for UL Installation, 525–600 V
Model Fuse P/N (Mersen) Fuse P/N (Danfoss) Maximum current
[A]
Maximum fuse rat-
ing F1 [A] Minimum voltage
rating [V] Class F1
N110 A4J175 70CPE10971 175 175 600 Class J
N132 A4J200 70CPE10521 200 200 600 Class J
N160 A4J250 70CPE10972 250 250 600 Class J
AQ357954340588en-000201 / 130R0881 | 91 Danfoss A/S © 2020.09
Electrical Installation
VLT® Refrigeration Drive FC 103
Operating Guide