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FN7-12DR Model indoor AC HV Load Switch is suitable in 50Hz,rated voltage of 12Kv the three-phase AC power system 
as the breaking load short-circuit current of the power and used the Closing,
until the combination of electrical short -circuit current can be breaking any current 
can be used as protection purposes .

。The ambient temperature: -25°C－＋40°C， alpine region, ;;.-40°C；
。The altitude：≤1000M;
。Relative humidity: daily average value is not greater than 95%, monthly average is not 9reater than 90%;
。Earthquake intensity：≤ 8 degree;

2.1 Temperature condition:  -5°C~40°C;the average value within 24h shall not exceed+35°C(special situation  excluded);
2.2 Altitude:≤2000m;
2.3 Pollution grade:  Grade 3;
2.4 Air conditions:

is applied for breaking, on Or off of load current in AC three-phase power system of rated 10-12kV with 50/60Hz, 
it owns functions of overload and short protection, fast breaking protection, time lapse delay and automatic reclosing ,
it can also be equipped with arrester Or disconnecting (circuit breaker and disconnecting switch combination, 
hereinafter called combination intelligent circuit breakers) according to customer' s requirement.

1. Ambient temperature: -15℃~+40℃;
2. Altitude: ≤1000m;
3. Relative humidity: daily average ≤95%, monthly average ≤90%；
4. Earthquake intensity: ≤8 level;
5. Places without fire, explosion hazard, serious filthy, chemical corrosion, as well as intense Vibration.

1.Installation way: pole mounted;
2.Operating mechanism: spring operating mechanism and permanent magnetic operating mechanism;
3.Pole type: integrated pole;
4.Application: outdoor 24kV substation, power plant.
5.Operation type: manual, electric, remote control.

1. IEC62271-100 High Voltage Switchgear and Controlgear Part 100: AC Circuit-breakers
2. GB1984 High Voltage AC Circuit-breakers
3. GB/T11022 Common Specifications for High-voltage Switchgear and Controlgear Standards
4. JB/T 3855 High Voltage AC Vacuum Circuit-breakers
5. DL/T402 Specification of High-voltage AC Circuit-breakers

1.Ambient temperature: -35°C ~ +45°C;
2.Altitude: ≤1000m;
3.Wind speed ≤ 35m/s;
4.Earthquake intensity: ≤8 level;
5.Filthy level: IV;

ZN23-40.5 series handcart type indoor vacuum circuit breaker for the high voltage rated 40.5kv,
three-phase AC 50Hz Indoor high-voltage electrical equipment. 
Apply to industrial and mining e r1terp rises , 
substation and transmission and distribution systems for control and protection switching;

GN30-12M series rotary indoor high voltage disconnect switch is a new type of touch rotating knife type disconnect switch,
the main structure in three phase chassis of the upper and lower two plat, 
fixed two set of insulato rand contact, by rotatirlg contactor,realize the divide and combine the switch.

1. The altitude: under1000M;
2. The ambient temperature: -25°C－＋40°C;
3. The relative humidity of air monthly≤90%, daily≤95%;
4. The wind pressu re：≤7000PA(with speed 34m/s);
5. Ampitude: Earthquake degree 8;

VS1-12 side-mounted type vacuum circuit breaker is a kind of indoor high voltage switch device which is used in the AC Three-phase power system of frequency 50HZ,rated voltage 12KV to be the protection and control unit. 
Because of the special superiority of vacuum circuit breaker, especially suitable for applications that require frequent operation at rated operating Current or multiple open short-circuit breaking current location.

ZN85-40.5 Indoor High Voltage Vacuum Circuit Breaker
Summary
ZN85-40.5 indoor HV vacuum circuit breaker is a 3-phase AC 50Hz 40.5kV indoor

At mounting site, relative humidity not exceed 50% at the max temperature of +40°C, 
higher relative humidity is allowable under lower temperature,
RH could be 90% at +20°C, special measures  should be taken to occurrence of dews;
The products conform with IEC60947-1,IEC60947-2 standards.

。Standard: IEC60076, GB1094-1996; JB/T10088-2004; GB/T6451-2008; EQV
。Voltage Grade: 6KV to 35KV
。 Voltage Regulation Mode: No-load tap changing or On-load tap changing
。Tapping Range: ±5%, ±2×2.5%, ±4×2.5% or others
。Frequency: 50Hz; 60Hz

power distribution transformer
1.Standards: IEC60076
2.Rated voltage:10kV
3.Low wastage,low noise
4.Easy installation

。Rated Capacity (KVA): 10~2500 KVA
。Vector Group: Yyn0 or Dyn11
。Impedance Voltage (%): 4%, 4.5%
。Rated voltage: H. V: 11, 10.5, 10, 6.3, 6KV (or customized)
。L. V.: 0.4, 0.69KV (or customized)

1 Power transformer 10kv and 35kv low-loss series
2 low loss, low noise, high reliability
3 Iron core is made of cold-rolled silicon-steel
4 Have good ability withstand short-circuit
5 The oil tank is bell type with the structure of full folding plate type,

。Altitude: ≤1, 000m
。Highest ambient temperature: +40℃
。Highest annual average temperature: +20℃
。Highest monthly average temperature: +30℃
。Lowest temperature: -25℃

。Voltage across zero put on , current across zero cut off , no harmonic current, do not appear over voltage.
。Lower power dissipation after power on , do not need add air-cooling fin.
。Do not produce harmonic  , do not need series connecting reactor .
。Put in signal isolated with switching optical , high EMC protection , good capacity of resisting disturbance.
。Can match with our dynamic compensation controller.

1.Rated current, capacity and surge-limiting times of mated capacitor.
2.Power frequency testing voltage: AC 50Hz, voltage 3Kv, no break-down or flash for 1min.
3.Temperature: Housing<=65K, Coil<=65K.

。Voltage class: 6-35KV
。Model of voltage regulation: Off-excitation or on-load tap changer
。Tapping range: 5%, 2x2.5%,
。Power Capacity: 10-4000kVA
。Frequency: 50Hz or 60HZ

Altitude: ≤1, 000m
Highest ambient temperature: +40℃
Highest annual average temperature: +20℃
Highest monthly average temperature: +30℃
Lowest temperature: -25℃

Rated current: AC 0-5 A
Current input impedance: <= 0.02 Ohm
Frequency: 50Hz/60Hz
Rated voltage: AC 220V/380V
Protection grade of shell: IP30