Service Range
1.Advanced breaking performance and various selectivity
2.Various product range: 100-800AF, 6 Frames
3.Standardized height of products by frame:100-25AF(68mm),400-800AF(110mm)
4.Standardized size of accessories
5.International standard
Product Parameters
|
Rated Insulation Voltage, Ui |
1000V |
Suitability for isolation |
Yes |
|
Rated Operational Voltage, Ue |
690V |
Utilization Category |
A |
|
Impulse Withstand Voltage, Uimp |
8kV |
Pollution Degree |
3 |
|
Protective Function |
Overload, short-circuit and instantaneous protection |
Reference Standard |
GB 14048.2/IEC 60947-2 |
|
Model |
SKH400 |
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|
Frame |
(AF) |
400 |
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|
Pole |
(P) |
2,3,4 |
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|
Rated current, at 40℃ |
（A） |
250,300,350,400 |
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Rated short-circuit breaking capacity[Icu](kA rms) |
Recognition code for order |
S |
L |
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|
AC660/690V |
8 |
14 |
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|
AC480/500V |
35 |
65 |
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AC440/460V |
50 |
85 |
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AC380/415V |
65 |
85 |
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|
AC220/240V |
75 |
125 |
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|
DC250V(2P) |
25 |
40 |
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|
Service breaking capacity[Ics=%Icu] |
100 |
100 |
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Endurance(Durability) |
Mechanical |
20000 |
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|
Electrical |
8000 |
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Trip device |
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|
Thermal magnetic |
Long time[LT] |
Fixed |
(1.0)x ln |
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|
Adjustable |
(0.63-0.8-1.0) x ln |
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|
Instantaneous[INST] |
10 x ln |
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|
Accessory |
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|
Internal |
Auxiliary |
AUX |
√ |
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|
Alarm switch |
ALT |
√ |
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|
Shunt trip |
SHT |
√ |
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Under voltage trip |
UVT |
√ |
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|
External |
Rotary Handle |
Front contact |
TFG |
√ |
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Extended |
TFH |
√ |
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Motor operator |
MOT |
√ |
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Mechanical interlock |
MIF |
√ |
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Locking device |
PLD |
√ |
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Plug-in |
TDM(LINE/LOAD) |
√ |
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|
TDM(LINE only) |
√ |
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|
TDF(LINE only) |
- |
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|
TDA(1 row) |
- |
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|
TDA(2 row) |
- |
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|
Cage terminal block |
CTB |
√ |
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|
Insulation terminal cover |
TCF |
√ |
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Insulation barrier |
TQQ |
√ |
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Terminal extentions |
TBB |
√ |
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Installation and Dimensions |
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Connection/Installation |
Front connection |
Terminal screw |
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Rear connection |
Horizontal/Vertical |
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Plug-in |
Switchboard type, Distribution board type |
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|
Dimensions(mm) |
a(2/3/4P) |
140/140/184 |
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|
b |
257 |
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|
c |
110 |
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|
Weight(kg) |
2/3/4P |
4/4.5/5.4 |
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