Danfoss VLT MCD 600, Руководство по эксплуатации, Страница: 30 / 140

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Model Nominal rating [A] 3 cycle short cct rating @600 V AC
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MCD6-0410B 410 30 kA
MCD6-0527B 550
MCD6-0579B 580
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Suitable for use in a circuit with the prospective current noted, when protected by any listed fuses or listed circuit breakers sized according to the
NEC.
3.15.1.2 Models MCD6-0654B~MCD6-1250B & MCD6-0590C~MCD6-1134C
Suitable for use on a circuit capable of delivering up to the stated fault current, when protected by the specified circuit breaker, or
by a class L fuse sized according to the NEC.
These nominal ratings are based on start current of 300% FLC for 10 s for models MCD6-0654B~MCD6-1250B and start current of
300% at 50% duty for models MCD6-0590C~MCD6-1134C.
Table 19: Maximum Fuse Rating [A] - Standard Fault Short-Circuit Current
Model Nominal rating [A] @480 V AC/600 V AC @480 V AC
Fault current rating [kA] Fuse rating [A] Circuit breaker [A]
MCD6-0654B 835 42 1350 1200
MCD6-0736B 940
MCD6-0950B 1070
MCD6-1154B 1230 85 2500 1200
MCD6-1250B 1250
MCD6-0590C 735 42 1350 1200
MCD6-0667C 830
MCD6-0839C 1025
MCD6-0979C 1170 85 2500 1200
MCD6-1134C 1220
3.15.2 High Fault Short-circuit Current Ratings
Suitable for use on a circuit capable of delivering up to the stated fault current, when protected by the specified circuit breaker, or
by a class L fuse sized according to the NEC.
These nominal ratings are based on start current of 300% FLC for 10 s.
Circuit breakers with model codes beginning with HFD/HJD/HKD/HLD are from Eaton.
Circuit breakers with model codes beginning with SELA/SFLA/SGLA are from GE.
Circuit breakers with model codes beginning with UTS are from LS Electric.
N O T I C E
Models MCD6-0160C~MCD6-0448C are not UL Listed.
AQ262141844215en-000401 / 175R1174 26 | Danfoss A/S © 2020.12
System Design
VLT® Soft Starter MCD 600
Operating Guide