Siemens 6SL3120-2TE21-0AA3

Line connection and line-side power components
3.3 Overcurrent protection by means of line fuses and circuit breakers
Booksize Power Units
Manual, (GH2), 04/2014, 6SL3097-4AC00-0BP6
51
3.3
Overcurrent protection by means of line fuses and circuit breakers
Line fuses or circuit breakers must be used for cable protection/overcurrent protection. NH,
D, and DO type fuses with a gL characteristic or suitable circuit breakers according to
IEC 60947 can be used for this purpose.
Table 3- 1 Recommended line fuses and circuit breakers for Active Line Modules
16 kW
36 kW
55 kW
80 kW
120 kW
I
n
fuse
35 A
80 A
125 A
160 A
250 A
LV HRC line fuse
3NA3 814
3NA3 824
3NA3 132
3NA3 136
3NA3 144
Circuit breaker
(IEC 60947)
3RV1031-4FA10 3RV1041-4LA10 3VL2712-1DC33 3VL3720-1DC33 3VL3725-1DC36
UL-application
Rated current
35 A
80 A
125 A
175 A
250 A
Line fuse
1)
AJT35
AJT80
AJT125
AJT175
AJT250
Circuit breaker
3VL1135-2KM30
3VL2108-2KN30
3VL2112-2KN30
3VL3117-2KN30
3VL3125-2KN30
1)
Type AJT Class J, source: The Ferraz Shawmut company
Table 3- 2 Recommended line fuses and circuit breakers for Basic Line Modules
20 kW
40 kW
100 kW
I
n
fuse
63 A
100 A
250 A
LV HRC line fuse
3NA3 822
3NA3 830
3NA3 144
Circuit breaker
(IEC 60947)
3RV1041-4JA10 3VL2710-1DC33 3VL3725-1DC36
UL-application
Rated current
60 A
100 A
250 A
Line fuse
1)
AJT60
AJT100
AJT250
Circuit breaker 3VL2106-2KN30 3VL2110-2KN30 3VL3125-2KN30
1)
Type AJT Class J, source: The Ferraz Shawmut company
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