No. | Name | Unit | Data | |
1. | Rated voltage | HV | kV | 10,20,35 |
2. | LV | kV | 0.315~0.5 | |
3. | Rated capacity | kVA | 630~5000 | |
4. | No-load voltage regulation | |||
5. | Vector group | Dyn11,Dyn11yn11,Yd11d1 | ||
Insulation level | Lightning impulse withstand voltage | kV | 75,125,200 | |
Power frequency withstand voltage (HV) | kV | 35,55,85 | ||
Power frequency withstand voltage (LV) | kV | 5 | ||
Secondary control loop | 2.0 |

1.Ambient air temperature: -30°C~+40°C
2.Altitude: ≤1000m
3.Wind speed:34m/s ≤700pa
4.Relative humidity:
- Daily average relative humidity≤95%.
- Monthly average relative humidity≤95%.
5.Installation inclination:≤grade 8 .
6.Applicable in the places without corrosive and flammable gas.











Company Profile
Our main products include: box-type substations, high and low voltage switchgear, power cabinets, distribution cabinets, distribution boxes, cable junction boxes, power transformers, and distribution equipment up to 35kV, as well as custom non-standard equipment for clients independently.
Anhui Sankai Electric Equipment Co., Ltd. is a modern enterprise integrating production and sales with strong technical capabilities and advanced production and testing equipment. Our products are widely used in power, coal, petroleum, chemical, metallurgy, transportation, communication, construction, and urban infrastructure. We have earned widespread praise and trust from users through advanced technology, excellent product quality, and attentive after-sales service

Hot Sale Products
Q:what's your major products?
A: Oil immersed and dry type transformer, transformer substation, high and low voltage switchgear and other custmization electrical equipment.
Q:Can I place the custom-made order?
A:Considering differences in voltage, frequency and other special transformer product in different countries and regions, our product can be customized according to your requirements.
Q:Are you a factory or trading company?
A:We are the factory with the first-hand price and the quality can be guaranteed.
Q:Is sample order acceptable?
A:Of course,sample order is the best way to build trust.
A:Usually it takes about 15-20 days.The specific situation will be based on the design drawings.
Q:What's your term of payment,
A:We require a 30% T/T advance, with the remaining 70% due before shipment. Additionally, L/C is welcome options.