1. Description
CKSS is a new generation of intelligent & environmental-friendly type medium voltage switchgear working in the voltage range maximum up to 24kV.
2. Technical Feature
----Without SF6 gas,green & environment friendly
----Small size & flexible expansion
----Safe & reliable
----Spring operating mechanism with dual anti-misoperation system
----Fuse with sealed isolation
3. Working Condition
3.1 Altitude: ≤4000m
3.2 Ambient air temperature: -40℃～+45℃
3.3 Max. average daily temperature: +40℃ Max. annual average temperature: +35℃
3.4 Wind speed: ≤34m/s
3.5 Relative air humidity: ≤95% ( +25℃)
3.6 Ground gradient: ≤5°
3.7 Earthquake intensity: ≤magnitude 8
3.8 Applicable in the places without fire, without explosion risk, without chemical corrosive and without violent vibration
(Exceeding above working condition is available as customized product)
4. Technical Data
| Technical Data |
Unit |
Module C |
Module F |
Module V |
| Load switch |
Switch-fuse combination |
Vacuum switch |
Disconnector/ earthing switch |
| Rated voltage |
kV |
12 |
24 |
12 |
24 |
12 |
24 |
12 |
24 |
| Rated frequency |
Hz |
50 |
50 |
50 |
50 |
| Rated current |
A |
630 |
125 |
630 |
630 |
| Rated breaking cable charging current |
A |
20 |
20 |
/ |
/ |
| Rated short-circuit making current(peak) |
kA |
50 |
Up to fuse |
50 |
40 |
50 |
40 |
| Rated short-circuit breaking current |
kA |
/ |
Up to fuse |
20 |
16 |
/ |
/ |
| Rated short-time withstand current |
kA |
20 |
/ |
20 |
16 |
20 |
16 |
| Rated short-time withstand current duration(main circuit) |
s |
4 |
/ |
4 |
4 |
4 |
4 |
| Rated short-time withstand current duration(ground loop) |
s |
2 |
/ |
/ |
/ |
| Rated breaking transfer current |
A |
/ |
1600 |
/ |
/ |
| Rated short-time power frequency withstand voltage |
phase-to-phase phase-to-earth |
kV/1 min |
42 |
50 |
42 |
50 |
42 |
50 |
42 |
50 |
| open contact |
kV/ 1 min |
48 |
65 |
48 |
65 |
48 |
65 |
48 |
65 |
| Rated lightning impulse withstand voltage |
phase-to-phase phase-to-earth |
kV |
75 |
95 |
75 |
95 |
75 |
95 |
75 |
95 |
| open contact |
kV |
85 |
110 |
85 |
110 |
85 |
110 |
85 |
110 |
| Mechanical life |
times |
5000 |
5000 |
5000 |
5000 |
| Mechanical life of earthing switch |
times |
≥2000 |
≥2000 |
≥2000 |
≥2000 |
| SF6 pressure in seal enclosure |
Mpa |
0.040-0.045 |
0.040-0.045 |
0.040-0.045 |
0.040-0.045 |
| SF6 annual leakage rate |
/ |
≤0.02% |
≤0.02% |
≤0.02% |
≤0.02% |
5. Standard
---- GB/T11022-1999
---- GB1984-2003
---- GB3804-2004
---- GB16926-2009
---- GB1985-2004
---- IEC60265-1-1998
Product Tags:
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Compact Solid Insulated Switchgear Small Floor Covering Excellent Flexibility Images
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