1. FZW28F-12kv 11kv 24kv 22KV Outdoor high voltage air load break switch LBS
FZW28F-12 outdoor vacuum load break switch is pole mounted handle and motor free maintenance switch, which adopt vacuum arc extinguish and SF6 insulation medium. It conforms with IEC6 2271-103 & GB/T3804: High voltage AC load break switch. This load break switch (switch and controller) have function of fault checking, protection and communication.
2. Parameter list
No. | Item | Unit | Data | ||
1 | Rated voltage | KV | 12 | ||
2 | Insulating level | 1 min power frequency withstand | KV | Dry | 42/49 |
Wet | 34 | ||||
Lighting impulse withstand | 75/85 | ||||
3 | Rated frequency | HZ | 50 | ||
4 | Rated current | A | 630 | ||
5 | Rated short-time withstand current and lasting time | KA/4S | 16/4 | ||
6 | Rated peak withstand current | KA | 40 | ||
7 | Rated short circuit closing current | KA | 40 | ||
8 | Mechanism life | Times | 10000 | ||
9 | Net weight | Kg | 210 |
10 | Rated input voltage | AC220V | |
11 | Input operating voltage frequency | 50Hz | |
12 | Input operating voltage allowable swing range | 220(1±20%) | |
13 | Power consumption | <10W | |
14 | Sampling phase input current | 60A~600A(primary value) | adjustable |
15 | Low voltage operating value | 10V~140V(secondary value) | Un-adjustable |
16 | Input current allowable sampling error | ±5% | |
17 | Over current protective operation delay time | 0.1s~0.3s | Un-replaceable |
18 | Zero sequence current value | 0.2A~0.6A(primary value) | Replaceable |
19 | Earthing operation delay time | 0s~1200s | Replaceable |
3. Product application
(1). Altitude: ≤2000m;
(2). Ambient temperature: -45℃ ~+40℃;
(3). Wind speed: ≤35m/s;
(4). Earthquake intensity: ≤8 degree;
(5). Relative humidity: monthly average ≤90%, daily average ≤95%;
(6). Ice thickness: ≤10mm;
(7). Applicable occasions should free from inflammable, explosives and severe vibration.
4. Technical drawings
5. Factory photos
6. Delivery
7. FAQ
1. Technology ensure the quality satisfy international request.
2.Generally we promise one - two years quality guarantee, some products will be extended longer time for life span.
3. For tender cooperation, it is welcome to discuss the detail in between.
4. Some type reports are provided accordingly.
5. Our factory is 250000m2 for production and office.
6. There are four subsidies in our group company. So our whole group company can produce switchgear, power transformer, load break switch, disconnect switch, vacuum/sf6 circuit breaker, fuse, surge arrester, CT PT, Metering unit.