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Ningbo Tianan (Group) Co.,Ltd.
Home ProductsHigh Voltage Circuit Breaker

40.5KV High Voltage Circuit Breaker

China Ningbo Tianan (Group) Co.,Ltd. certification
China Ningbo Tianan (Group) Co.,Ltd. certification
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40.5KV High Voltage Circuit Breaker

40.5KV High Voltage Circuit Breaker
40.5KV High Voltage Circuit Breaker 40.5KV High Voltage Circuit Breaker

Large Image :  40.5KV High Voltage Circuit Breaker

Product Details:
Place of Origin: China
Brand Name: Tianan Electric
Certification: GB1984、GB/T11022、DL/T403 and IEC62271
Model Number: VT19-40.5EP
Payment & Shipping Terms:
Minimum Order Quantity: 1 unit
Price: Pending
Packaging Details: Wooden Cases
Delivery Time: 35 work days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability: 2000PCS/year
Detailed Product Description
Rated Voltage: 40.5KV Altitude: ≤2000m
Rated Current: 630A,1250A,1600A,2000A,2500A Type: Solid-closure
High Light:

40.5KV High Voltage Circuit Breaker

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2000m High Voltage Circuit Breaker

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630A High Voltage Circuit Breaker

40.5kv Handcart -type Indoor High Voltage AC Solid-closure Vacuum Circuit Breaker​

NINGBO TIANAN (GROUP) CO., LTD.

overview

VT19-40.5EP type indoor HV vacuum circuit breaker is indoor switchgear,used for three-phase 50Hz,35KV electric power system. It is a control and protective unit,applied in electricutility of industrial and mining company ,power station and substation. Because of its special superiority, it is also suitable for the occasions requiring frequent operation  rated working voltage or repeatedly break short-circuit current.It has reliable interlock function,and not only serves as handcart unit,but also as fixed unit.

 

Service condition

 

1.Ambient temperature:-40°C~+40°C.

2.Hight:≤2000 meters.

3.Earthquake intensity:Below level 8.

4.

 

Humidity condition

Daily mean

relative humidity

≤95%

Daily mean

vapour pressure

≤2.2×10-3MPa

Monthly mean

relative humidity

≤90%

Monthly mean

vapour pressure

≤1.8×10-3MPa

5. No fire,water drop ,explosion, serious filthy, chemical corrosion and violent vibration of places.

6.Environment humidity: month average relative humidity ≤90%, daily average relative humidity ≤95%.

7.Customers have other special requirements, can be in order to put forward, our company can offer most satisfied.

 

Technical Parameters

Rated voltage 40.5kV
Rated frequency 50Hz
Rated lighting impulse withstand voltage(between phases,phase to earth) /isolated fracture 185
Rated 1min power withstand voltage(between phases,phase to earth) /isolated fracture 95
Rated operation sequence O-0.3s-CO-180s-CO
Rated current (A) 630,1250 1250~3150 1250~3150 3150,4000

 

Mechanical Characteristics Parameters of CB

Name Unit Data
Clearance between Open contacts mm 18±1
Over-travel 6±1
Three-phase opening & closing non-synchronous ms ≤2
Bounce time of closing contact ms ≤3
Contact pressure of Closing Contact Opening

 

N

20KA,25KA.31.5KA
Closing 2000±200 2700±200 3100±200
Average opening speed m/s 1.4~1.8
Average closing speed. 0.5~0.9

Contact Details
Ningbo Tianan (Group) Co.,Ltd.

Contact Person: admin

Tel: +8618858073356

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