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

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

Brand Name: Tianan Electric
Certification: GB1984、GB/T11022、DL/T403 and IEC62271
Model Number: VT19-40.5EP
Minimum Order Quantity: 1 unit
Delivery Time: 35 work days
Payment Terms: L/C, D/A, D/P, T/T, Western Union, MoneyGram
Ningbo Tianan (Group) Co.,Ltd.
Verified Supplier
Ningbo Zhejiang China
Business type: Manufacturer Exporter Trading Company
Telephone :
3/F, Building B7 , 999 Yangfan Road,High-tech Zone, Ningbo, China 315040
Supplier`s last login times: within 20 hours

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 voltage40.5kV
Rated frequency50Hz
Rated lighting impulse withstand voltage(between phases,phase to earth) /isolated fracture185
Rated 1min power withstand voltage(between phases,phase to earth) /isolated fracture95
Rated operation sequenceO-0.3s-CO-180s-CO
Rated current (A)630,12501250~31501250~31503150,4000

Mechanical Characteristics Parameters of CB

NameUnitData
Clearance between Open contactsmm18±1
Over-travel6±1
Three-phase opening & closing non-synchronousms≤2
Bounce time of closing contactms≤3
Contact pressure of Closing ContactOpening

N

20KA,25KA.31.5KA
Closing2000±200 2700±200 3100±200
Average opening speedm/s1.4~1.8
Average closing speed.0.5~0.9

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

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