Danfoss VLT FCD 302 Operating Manual page 33

Operating Guide | VLT® Decentral Drive FCD 302
4.8 Motor and Mains Connection with Service Switch
Figure 24: Motor and Mains Connection with Service Switch
4.9 Fuses and Circuit Breakers
4.9.1 Recommendations
American Wire Gauge. Maximum cable cross-section is the largest cable cross-section that can be attached to the terminals. Always
l
observe national and local regulations.
Use type gG pre-fuses. To maintain UL/cUL, use pre-fuses of these types, see
l
Measured using a 10 m (32.8 ft) shielded/armored motor cable with a rated load and rated frequency.
l
Fuses
The unit is suitable for use on a circuit capable of delivering not more than 100000 RMS symmetrical Amperes, 500 V maximum.
Circuit breaker
The unit is suitable for use on a circuit capable of delivering not more than 10000 RMS symmetrical Amperes, 500 V maximum.
4.9.2 Recommended Maximum Pre-fuse Size 25 A
Table 7: FCD 302 Pre-fuses Meeting UL/cUL Requirements
Brand
Bussmann
Bussmann
Bussmann
Bussmann
Bussmann
Bussmann
Bussmann
SIBA
Littelfuse
Ferraz Shawmut
Danfoss A/S © 2025.04
(1)
Fuse type
FWH-
KTS-R
JKS-
JJS-
FNQ-R-
KTK-R-
LP-CC-
5017906-
KLS-R
ATM-R
Table 7.
UL file number
E91958
E4273
E4273
E4273
E4273
E4273
E4273
E180276
E81895
E2137
AQ267036816112en-000301 / 130R0208 |
Electrical Installation
(2)
UL category (CCN code)
JFHR2
RK1/JDDZ
J/JDDZ
T/JDDZ
CC/JDDZ
CC/JDDZ
CC/JDDZ
RK1/JDDZ
RK1/JDDZ
CC/JDDZ
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