Product advantages
Leading technology
- Standard anti-corrosion and salt spray environment scheme, meet the strict environmental requirements of the site
- Can be composed of vacuum circuit breaker and sulfur hexafluoride ring network cabinet or all sulfur hexafluoride ring network cabinet
- Prefabricated, electrified and touchable silicone rubber cable end ensures personal safety
- Can be equipped with multiple SF6 load switches, flexible and diverse wiring modes, branch outlet up to eight circuits
- Compact design, optional lightning arrester, short circuit fault indicator. Current limiting fuse
- The relative pressure of SF6 in the air pack should not exceed 1.4bar. Air leakage is not more than 1%/ year, 30 years maintenance free
- Box type opening and closing should have perfect five anti-interlocking function to ensure personal safety
enclosure
- The whole use of 1.5-2mm double layer stainless steel box, service life can reach more than 30 years
- Laser CNC equipment cutting, drilling, bending, ensure processing accuracy
- External electrostatic epoxy powder coating, 30 years of paint
- Box surface has good anti-theft, box has IP3X protection, etc
Processing and assembly
- Dust-free workshop to ensure insulation
- Assembly workers must be trained for at least 6 months
- Automatic terminal crimping machine for secondary wiring to ensure reliable wiring
- Bolt reinforcement using power tools to ensure proper torque
- The copper busbar is CNC cutting, punching and bending to ensure accuracy
- All kinds of experimental tests before delivery, to ensure the normal operation of equipment
Product parameters
Capacity: 2500kVA American box
Rated voltage: 10kV, 11kV, 13.8kV, 20kV, 33kV, 35kV;
Maximum operating voltage (kV) 38.5kV
Conditions of use:
1. The temperature:
Maximum daily temperature (℃) : 40; Minimum daily temperature (℃) : -25; Maximum daily temperature difference (K) : 25; Average temperature of the hottest month (℃) : 30; Maximum annual average temperature (℃) : 20; Average daily relative humidity (≤%) : 95; Average monthly relative humidity (≤%) : 90
2, altitude (≤m) : 1000
3, solar radiation intensity (W/cm2) : 0.1
4. Maximum ice thickness (mm) : 10
5, 10m high from the ground, maintain 10min average maximum wind speed (m/s) : 35
6. Ground horizontal acceleration (M/S2) : 2
7, installation place: outdoor; 8. Pollution grade: ⅲ
Ordering instructions
The customer shall provide the following information:
- Main loop scheme diagram, secondary loop system diagram and auxiliary circuit control mode
- Equipment layout and distribution room layout
-Brand and model of main electrical components of the equipment
- Incoming and outgoing lines
- Other special requirements can be negotiated with Hengfengyou Electric
