Products
Projects
Solutions
Service
News
About CNC
Contact Us-
Product Overview
-
Product Details
-
Data Download
-
Related Products
FZW28-12F Outdoor Vacuum Load Switch
The FZW28-12 outdoor sectionalizer vacuum load switch is equipped with fault detection, protection, control, and communication functions that can autonomously isolate single-phase grounding faults and automatically isolate phase-to-phase short-circuit faults. It is suitable for the incoming end or user end of 10kV distribution lines and can also be used at other branching line connections that meet the requirement
Conatct Us
Product Details
Selection
Operating conditions
1. Altitude: ≤ 2000 meters;
2. Environment temperature: -40℃ ~+85℃;
3. Relative humidity: ≤ 90% (25℃);
4. The maximum daily temperature difference: 25℃;
5. Protection grade: IP67;
6. The maximum ice thickness: 10mm.
Technical data
| Item | Unit | Parameter |
| The switch body | ||
| Rated voltage | kV | 12 |
| Power frequency insulation withstand voltage (Interphase and phase to ground / fracture) | kV | 42/48 |
| Lightning impulse withstand voltage (Interphase and phase to ground / fracture) | kV | 75/85 (peak) |
| Rated current | A | 630 |
| Rated short-time withstand current | kA | 20 |
| Rated thermal stability time | S | 2 |
| Rated short-circuit close current (peak) | kA | 40 |
| Rated dynamic stability current (peak) | kA | 40 |
| Rated cable charging breaking current | A | 20 |
| Rated switching unloaded transformer inductor current | A | ＜5 |
| Mechanical life | Times | 10000 |
| Measurement and control unit | ||
| Type | FDR-100 | |
| Input voltage | AC220±20% | |
| Input voltage frequency | Hz | 50 |
| The output voltage (opening operation) | DC48V | |
| Interphase short-circuit protection setting current value | 0.2-1.0 adjustable | |
| Grounding protection of zero sequence current setting value | 10-200mA adjustable | |
| Grounding protection action time setting value | 0-10s adjustable | |
| Setting value permitted error | ±5% | |
| Insulation resistance (external terminal to ground / input terminal to output terminal) | > 100MΩ/DC500V | |
| Power frequency withstand voltage (ibid.) | 2000V/1min | |
| Impulse withstand voltage (ibid.) | 5000V, 1.2/50μs The positive and negative three times each |
Overall and mounting dimensions(mm)
Related Products
-
FZW32-12(40.5) Outdoor Vacuum Load SwitchSelection Features FZW32-12 (40.5) type outdoor high voltage isolating vacuum load switch adopts the vacuum arc extinguish chamber, no explosion danger, no maintenance. The load switch isolation knife linkage with a three-phase vacuum interrupter, breaking and closing operation in good same period, and with reliable isolation fracture when breaking, namely has the function of isolation switch. Most of the switch body parts are made of stainless steel materials, the base frame is made by stai... -
FN AC High-voltage Load SwitchSelection Technical data Rated voltage(kV) Highest voltage(kV) Rated current(A) Industrial frequency voltage withstand in 1min(kV) 4S thermal stable current (effective value)(A) 12 12 400 42/48 12.5 12 12 630 42/48 20 Active stable current (peak value)(A) Short circuit close current (A) Rated open current (A) Rated transfer current (A) 31.5 31.5 400 1000 50 50 630 1000 Type Full type DS Earthing switch at inlet position DX Earthing switch at inlet position L Interlock... -
FZN21/FZRN21-12 Indoor Vacuum Load SwitchSelection Operating conditions 1. Altitude: no more than 1000m; 2. The environment temperature: upper limit +40℃, lower limit -30℃; 3. Relative humidity: daily average value is not greater than 95%, monthly average is not greater than 90%; 4. Saturated steam pressure: daily average value is not higher than 2.2×10 -3 Mpa, monthly average is not higher than 1.8×10 -3 Mpa; 5. No severe vibration, no corrosive gas, no fire, no explosion danger place. Technical data Item Unit Parameter Techn... -
FZN25/FZRN25-12 Indoor Vacuum Load SwitchSelection Operating conditions 1. Ambient air temperature: upper limit +40℃, lower limit -25℃ (allow storage at – 30℃), 24h average value is not higher than +35℃; 2. Altitude: no more than 1000m; 3. Relative humidity: daily average value is not greater than 95%, monthly average is not greater than 90%; 4. Earthquake intensity: do not exceed 8 degree; 5. The surrounding air is not corrosive and flammable gas,steam and other significant pollution; 6. No regular violent vibration; 7. Cont... -
FLN36 Indoor SF6 Load SwitchSelection Operating conditions 1. Air temperature Maximum temperature: +40℃; Minimum temperature:-35℃. 2. Humidity Monthly average humidity 95%; Daily average humidity 90%. 3. Altitude above sea level Maximum installation altitude: 2500m. 4. Ambient air not apparently polluted by corrosive and flammable gas, vapor etc. 5. No frequent violent shake. Technical data Ratings Unit Value Rated voltage kV 12 24 40.5 Rated lighting impulse withstand voltage kV 75 125 170 Common value Acro...
-
Phone：86-577-6289 8809
-
Email：cncele@cncele.com
-
Address：CNC High-Tech Hutou Industrial Zone, Liushi Town,Yueqing . Wenzhou City, China
Copyright © 2024 CNC ELECTRIC GROUP ZHEJIANG TECHNOLOGY CO.,LTD All Rights Reserved.
Record number:
Sitemap
outdoor prefabricated substation, current transformer manufacturers, Current Transformer, china prefabricated outdoor substation, prefabricated outdoor substation, current transformer cost,
Sitemap
outdoor prefabricated substation, current transformer manufacturers, Current Transformer, china prefabricated outdoor substation, prefabricated outdoor substation, current transformer cost,