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s SINAMICS G120C
Product Information Edition 11/2017
Protective Devices for SINAMICS G120C
Table of Contents
General Notes 2
1 Protective devices for IEC applications 3
1.1 IEC Fuses 3
1.2 IEC Motor Starter Protectors 4
1.3 IEC Circuit Breakers 6
2 Protective devices for UL/CSA applications 7
2.1 UL/CSA non-semiconductor fuses7
2.2 UL/CSA Type E Combination Motor Controllers 8
2.3 UL/CSA Circuit Breakers 9
A5 AB
General Notes
• The voltage rating of any protection device must be at least the voltage rating of the supply circuit.
• Protective devices of the same type with lower current ratings may be used.
• Protection devices of the same type with a lower SCCR / Icc rating may be used.
• The converters must be mounted in a suitable enclosure, while ensuring the minimum enclosure
sizes are observed.
Overview of the approved protection devices according to UL standards
• JDDZ: Fuses of any manufacturer.
• DIVQ: Siemens circuit breaker
• NKJH: SIEMENS Type E combination motor controllers
ICC conditional short circuit current Icc:
The maximum RMS value of a prospective short circuit current, available from a supply source.
Short-Circuit Current Rating (SCCR):
The Short-Circuit Current Rating (SCCR) is the prospective symmetrical fault current at a nominal
voltage to which an apparatus or system is able to be connected without sustaining damage
exceeding defined acceptance criteria.
UL Certificates:
FSAA, FSA, FSB, FSC UL-File E121068, Vol. 7 Sec. 7 and 8
FSD, FSE, FSF UL-File E192450, Vol. 13 Sec. 4
Prote
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