JSZW3-3、6、 10 Semi-enclosure Three Phase Voltage Transformer This model voltage transformer is semi-casting type, with small size and good climate adaptability. The iron-core of the transformer applies core type side-iron structure, and made of high-quality silicon steel plate by cold rolling and exposing in the air, the primary winding, secondary winding and residual voltage winding wound onto theiron-core concentrically and cast with epoxy resin, the three phases...

● JN22-40.5/31.5 series indoor MV earthing switch is researched and developed by XI'AN HV Electric research organization,with advanced design and steady performance, simple structures, simple mounting and adjustment, suitable of electric power system with 40.5KV, Three-phase, AC 50Hz.. Support with KYN□-40.5 and other various kinds of MV switchgear and as earthing protection. ● Standard: IEC 129,IEC 62271-102. Selection Operating conditions 1. Ambient temperature:-1...

Operating conditions 1. The ambient air temperatures is no higher than +40℃,no lower than -40℃ ; 2. The altitude above sea level dose not exceed 1000-2000m(the plateau ares should be indicated when ordering); 3. AC systen frequency is 50Hz or 60Hz; 4. The power frequency voltage applied to the arrester for a long time does not exceed the continuous working voltage of the arrester; 5. Maximum wind speed does not exceed 35m/s; 6. The earthquake intensity does not exceed 7 degrees; 7. The filthy...

● ZW20-12 outdoor AC MV vacuum boundary circuit breaker (hereinafter referred to as the boundary circuit breaker) is one of our new products. Boundary circuit breaker is a multifunctional intelligent device with the function of vacuum breaker, vacuum load switch, recloser, sectionalizer four switches. The main configuration consists of vacuum breaker, CH-40 controller, external voltage transformer (Note: distribution automation line ring network available in bilatera...

GW5 Outdoor Isolation Switch GW5 outdoor MV isolating switch is used for three-phase AC 50Hz outdoor high voltage electrical equipment, used for the line to switching under voltage pressed no load condition, and electrical isolation the maintenanced high voltage bus, circuit breakers and other electrical equipment and charged high voltage line, can also be used for the opening and closing small capacitance or inductance current. When the knife in the normal break pos...

SBH15 Series Amorphous Alloy Oil-immersed Transformer SBH15 series amorphous transformer is a low loss, high energy efficiency oil-immersed transformer. The iron core of this product is wound from amorphous alloystrip. Its no-load loss is more than 70%,lower than that of traditional transformers using silicon steel sheets as iron cores. It is a new generation of energy-saving, safe, green and environmentally friendly high-tech products. And it can replace ordinary oi...