Category：LV switchgear
Company brand：HAOCHENG
Tel：0757-85801981
Address：No. 32, Commercial Plaza, North District, Xingye North Road, Shishan Town, Nanhai District, Foshan City
Intro：户外开关箱是根据电力市场需求，自行开发、设计和生产的新电缆分接设备。由 12kV 电缆附件、环网柜或高压开关柜、12kV 电器元件、二次元件和箱体组成的高压成套电器设备，充分灵活运用了电缆接插件串联并联的优势，根据用户需要进行可靠组合，实现了全密封、全防护、全绝缘、防凝露、防尘埃、抗腐蚀、免维护的特性，可在户外全天候运行，选用于供电网络中电缆的联接、分接和电能的转移、分配。
Product description
DFW-12 Outdoor switch box is a new generation of cable distribution device, which is developed, designed and produced by our own company based on the needs of the electricity marketing.
It consist of 12kV cable accessories, secondary components and enclosure and flexibly take the advantage of series and paralleling, it can be assembled as per customer requirement.
It realizes the characteristics of full sealing, full protecton, all insulation, anti-condensaton, dust-proof, corrossion resistance, free maintenance. It can be running normally outdoor.
Main parameter
1.1（Equipped with LBS or LBS-fuse combination unit）
HV breaker parameter | Description | Unit | Parameter | ||
| LBS unit | LBS-fuse unit | ||||
| Rated voltage | KV | 12 | |||
| Rated frequency | Hz | 50 | |||
| Rated current | A | 630 | 125 | ||
| Rated short time withstand current（kA/s） | KA | 20 | |||
| Rated short time withstand current duration time | S | 4 | |||
| Rated peak withstand current | KA | 50 | |||
| Spring mechanism | Manual or motorized operation | ||||
| Operating voltage | V | DC110V/220V | |||
| Rated insulation level | Unit | Tecnical data(elevation above 1000 meter will be modified accordingly) | |||
| Rated short time power frequency withstand voltage(virtual value) | Isolating contact | KV | 48 | ||
| Circuit breaker contact | 42 | ||||
| P to P, P to E | 42 | ||||
| Lightning impulse withstand voltage（peak） | Isolating contact | KV | 85 | ||
| Circuit breaker contact | 75 | ||||
| P to P, P to E | 75 | ||||
| SF6 Annual leakage rate | % | ≦0.5 | |||
| LBS mechanical life | times | ≧2000 | |||
| Short time withstand current of earthing switch(2s) | KA | 20 | |||
| Mechanical life of earthings switch | times | ≧2000 | |||
| IP class of shell | IP33 | ||||
| IP class of panel | IP3X | ||||
| IP class for Gas and live part | IP67 | ||||
| Techanical data of cable accessories | Impulse withstand voltage | 105KV,10 times each polarity(negative and positive)，no break down，no flsash over | |||
| DC withstand voltage | 52KV(negative polarity)15min，no break down，no flsash over | ||||
| Partial discharge | Dsicharge capacity below 15KV≦10pc | ||||
1.2 （equipped with circuit breaker）
| Item | Description | Unit | Technical parameter | ||
| 1 | Rated voltage | kV | 12 | ||
| 2 | Rated frequency | HZ | 15 | ||
| 3 | Rated current | A | 630 | 1250 | |
| 4 | Rated short circuit breaking current | kA | 25 | 31.5 | |
| 5 | Rated short circuit making current | KA | 63 | 80 | |
| 6 | Rated peak withstand current | KA | 63 | 80 | |
| 7 | Rated short time withstand current(virtual value) | KA | 25 | 31.5 | |
| 8 | Rated short circuit duration time | S | 4 | ||
| 9 | Rated operation sequence | O-0.3S -C O-180S-C O | |||
| 10 | Rated short circuit breaking current | KA | 63 | 80 | |
| 11 | 3 phase open/close non-synchronism | ms | ＜2 | ||
| 12 | Rated times of short circuit breaking current | times | 30 | ||
| 13 | Electrical life(times of breaking rated current) | times | 10000 | ||
| 14 | Mechanical life | times | 10000 | ||
| 15 | Short time withstand current of Earthing switch(2s) | KA | 25 | 31.5 | |
| 16 | Rated insulation level | unit | Tecnical data(elevation above 1000 meter will be modified accordingly) | ||
| 1min power frequency withstand voltage(virtual value) | break | KV | 48 | ||
| P to P | KV | 42 | |||
| P to P, P to E | KV | 42 | |||
| Lightning impulse withstand voltage（peak） | Isolating contact | KV | 85 | ||
| breaker contact | KV | 75 | |||
| P to P, P to E | KV | 75 | |||
| 17 | Operation mechanism | Manual or Motorized | |||
| 18 | Operation voltage | V | DC110V/220V | ||
| 19 | IP class of shell | IP33 | |||
| 20 | IP class of panel | IP3X | |||
| 21 | IP class for Gas and live part | IP67 | |||
| Techanical data of cable accessories | Impulse withstand voltage | 105KV,10 times each polarity(negative and positive)，no break down，no flsash over | |||
| DC withstand voltage | 52KV(negative polarity)15min，no break down，no flsash over | ||||
| Partial discharge | Dsicharge capacity below 15KV≦10pc | ||||
