1. Description
CKFL SF6gas-insulated switchgear is a completely sealed & insulated medium voltage ring main unit working in a voltage range maximum up to 24kV.
2. Technical Feature
---- Flexible expansion
---- Rustproof cabinet with high mechanical strength
---- Safe & reliable gas tank
---- Spring operating mechanism with anti-misoperation system
---- Fuse with sealed isolation
---- Simply and convenient connection
3. Working Condition
3.1 Altitude:≤1500m
3.2 Ambient air temperature: -35℃～+40℃
3.3 Max. average daily temperature: +40℃ Max. annual average temperature: +35℃
3.4 Wind speed: ≤34m/s
3.5 Relative air humidity: ≤90% ( +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 |
Module V |
Module C |
Module F |
| Rated voltage(KV) |
12 |
24 |
12 |
24 |
12 |
24 |
| Rated frequency(Hz) |
50/60 |
50/60 |
50/60 |
| Rated current(A) |
630 |
630 |
630 |
630 |
| Rated short-circuit breaking current(KA) |
25 |
20 |
/ |
31.5 |
| Rated breaking cable charging current(A) |
/ |
10 |
10 |
| Rated short-time withstand current(KA) |
25 |
20 |
20 |
/ |
| Rated short-time withstand time(S) |
4 |
4 |
/ |
| Rated peak withstand current(KA) |
63 |
50 |
50 |
/ |
| Rated short-circuit making current(KA) |
63 |
50 |
50 |
/ |
| Rated breaking transfer current(A) |
/ |
/ |
3150 |
| Rated insulating level |
Rated lighting impulse withstand voltage(kV) |
phase-to-phase phase-to-earth |
75 |
95 |
75 |
95 |
75 |
95 |
| open contact |
85 |
110 |
85 |
110 |
85 |
110 |
| Rated power frequency withstand voltage(kV/ min) |
phase-to-phase phase-to-earth |
42 |
65 |
42 |
65 |
42 |
65 |
| open contact |
48 |
79 |
48 |
79 |
48 |
79 |
| Auxiliary control circuit |
2 |
2 |
2 |
| Mechanical life (times) |
10000 |
10000 |
10000 |
| Main circuit resistance (μΩ) |
≤140 |
≤140 |
≤700 |
5. Available modules options
●CKFL- / C----- Load switch module
●CKFL- / F----- Switch-fuse combination module
●CKFL- / V----- Vacuum-circuit breaker module
●CKFL- / D----- Direct incoming/outgoing cable module
●CKFL- / CL----- Busbar sectionalizer module(load switch)
●CKFL- / CvKr----- Busbar sectionalizer module(vacuum switch)
●CKFL- / PT----- Potential transformer module
●CKFL- / M----- Metering module
6. Standard
---- IEC62271-1
---- IEC62271-100
---- IEC62271-200
---- IEC60265-1
---- IEC62271-102
---- GB/T11022
---- GB/T3804
---- GB/T1984, GB1985
Product Tags:
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Safe Power Distribution Switchgear , Power Plant Switchgear Ndoor Wall Installation Images
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