MachineU > China Products > Electrical Equipment & Supplies > Medium & High Voltage Products > Vacuum Circuit Breaker
12kv Sealed Structured High Voltage AC Indoor Vacuum Circuit Breaker
12kv Sealed Structured High Voltage AC Indoor Vacuum Circuit Breaker
12kv Sealed Structured High Voltage AC Indoor Vacuum Circuit Breaker
12kv Sealed Structured High Voltage AC Indoor Vacuum Circuit Breaker
Specifications
Brand Name :
Tianan Electric
Model Number :
VT19
Certification :
GB1984、GB/T11022、DL/T403 and IEC62271
Place of Origin :
China
MOQ :
1 unit
Price :
Pending
Payment Terms :
L/C, D/A, D/P, T/T, Western Union, MoneyGram
Supply Ability :
2000PCS/year
Delivery Time :
35 work days
Packaging Details :
Wooden Cases
Rated Voltage :
12KV
Altitude :
up to 1, 000m Above Sea Level
Rated Current :
630 A
Frequency :
50 Hz
Description

12kv Sealed Structured High Voltage AC Indoor Vacuum Circuit Beaker

NINGBO TIANAN (GROUP) CO., LTD.

General

VT19-12 indoor HV vacuum circuit breaker is used in three-phase AC electric system of 50HZ,12kV. It is used as control and protection department in the mining company ,power factory and substation. Because of its special advantages, it is also suitable for the site which frequently operation under rated current or multiple breaking short-circuit current.

The circuit breaker is identified by some national standards and international relative standards, such as GB1984,GB/T11022,DL/T403 and IEC62271, etc. It has reliable lockage, used as truck department or fixed installation department.

2.Service condition

Normal condition

Ambient temperature +40℃~-15℃

Ambient humidity Daily average relative humidity ≤95%

Daily average stream pressure ≤2.2ⅹ10-3MPa

Monthly average relative humidity ≤90%

Monthly average stream pressure ≤1.8ⅹ10-3Mpa

Elevation ≤1000m

Degree of earthquake <8

The site has no water,no fire goods and explosion goods,no chemical goods and serious quake.

Special condition

If user has some special requirement, please negotiate by manufacture and user.


The main parameter of 12KV circuit breaker

Rated voltage 12kV
Rated frequency 50Hz
Rated lighting impulse withstand voltage(between phases,phase to earth) /isolated fracture (75) / 85kV (peak value)
Rated 1min power withstand voltage(between phases,phase to earth) /isolated fracture (42) / 48kV (r. m. s)
Rated operation sequence O-0.3s-CO-180s-CO
Rated current (A) 630,1250 1250~3150 1250~3150 3150,4000
Rated short circuit breaking current (r. m. s, kA) 20/25 31.5 40 50
Rated short circuit making current (peak value, kA) 50/63 80 100 125
Rated short time withstand current/short circuit continuous time (kA/s) 20,25/4 31.5/4 40/4 50/4
Rated peak withstand current (kA) 50/63 80 100 125
Breaking times of rated short circuit current(times) 30 30 30 20
Mechanical duration (times) 20000 20000 10000 10000
Weight (kg) Fixed type ≤200
Truck type ≤250
Product tags

vacuum circuit breaker panel

,

indoor high voltage vacuum breaker

,

indoor vacuum circuit breaker
Send your message to this supplier
Send Now

12kv Sealed Structured High Voltage AC Indoor Vacuum Circuit Breaker

Ask Latest Price
Product Detail
Brand Name :
Tianan Electric
Model Number :
VT19
Certification :
GB1984、GB/T11022、DL/T403 and IEC62271
Place of Origin :
China
MOQ :
1 unit
Price :
Pending
Contact Supplier
12kv Sealed Structured High Voltage AC Indoor Vacuum Circuit Breaker
12kv Sealed Structured High Voltage AC Indoor Vacuum Circuit Breaker

Ningbo Tianan (Group) Co.,Ltd.

Verified Supplier
8 Years
zhejiang, ningbo
Since 1969
Business Type :
Manufacturer, Exporter, Trading Company, Seller
Main Products :
Compact Transformer Substation, Mobile Transformer Substation, Cast Resin Dry Type Transformer
Total Annual :
250000000-300000000
Employee Number :
3000~3500
Certification Level :
Verified Supplier
Discover similar products
View More

Find Similar Products By Category:

Supplier Homepage Products High Voltage Circuit Breaker
MachineU China Products Electrical Equipment & Supplies Medium & High Voltage Products Vacuum Circuit Breaker
Contact Supplier
Submit Requirement