| Model: | CKFL |
|---|---|
| Brand: | Comking |
| Origin: | Made In China |
| Category: | Electronics & Electricity / Power Supply & Distribution / Power Distribution Cabinet |
| Label: | Switchgear , RMU , Ring Main Unit |
| Price: |
-
|
| Min. Order: | - |
| Live Chat: | Last Online:26 Feb, 2014 |
1. Description
CKFL SF6 gas-insulated switchgear is a completely sealed & insulated medium voltage ring main unit working in a voltage range maximum up to 24kV.
2. Working Condition
2.1 Altitude:≤1500m
2.2 Ambient air temperature: -35℃～+40℃
2.3 Max. average daily temperature: +40℃ Max. annual average temperature: +35℃
2.4 Wind speed: ≤34m/s
2.5 Relative air humidity: ≤90% ( +25℃)
2.6 Ground gradient: ≤5°
2.7 Earthquake intensity: ≤magnitude 8
2.8 Applicable in the places without fire, without explosion risk, without chemical corrosive and without violent vibration
(Exceeding above working condition isavailable as customized product)
3.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% |
|||||||||
4.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
5.Standard
----IEC62271-1
----IEC62271-100
----IEC62271-200
----IEC60265-1
----IEC62271-102
----GB/T11022
----GB/T3804
----GB/T1984, GB1985
