VH4 Series 12kV/24kV Vacuum Circuit Breaker

Place of Origin:ChinaChina BeijingChina Beijing	Type:Vacuum

Company Info

Company Published: 2004
Online Postings: Products , Selling Leads
Country/Territory: China
Business Type: Manufacturer, Trading Company, Distributor/Wholesaler
Number of Employees: 501 - 1000 People

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Terms of Payment: L/C,T/T

Supply Ability: 300000 Set/Sets per Year

Minimum Order: 1 Set/Sets

Packaging: wooden cases

Delivery Lead Time: 30 days

Detailed Product Description

1.Rated Voltag:    12kV   / 24kV
2.Rated Frequency:   50Hz
3Rated Insulation level Power Frequency Withstand Voltage in 1 Min: 42kV
Lightning impulse withstand voltage:   75kV
4.Rated Current:     630,1250,1600,2000,2500,3150,4000,5000A
5.Rated Short-Circuit Interrupting Current:   20,25,31.5,40,50kA
6.Rated Short Circuit Closing Current (peak): 65,75,95,120,150kA
7.Rated Peak Withstand Current: 20,25,31.5,40,50kA
8.Rated Short-time Withstand Current(4S): 60, 75,95,120,150
9.Number or Openings at Rated Short-Circuit Current: 50,30,20Times
10.Rated Operating Sequence:   O-0.3s-C/O-180s-C/O
11.Closing Time:   50+/-15ms
12.Opening Time: 50+/-15ms
13.Energy Storage Time:    <=15s
14.echanical Service Life:     50000Times,20000Times
15.Rated power of energy storage motor:   200,300W
16.Rated voltage of energy storage motor: 110   220V
17.Rated voltage of closing/opening electromagnet :110,220V
18.Rated current of closing/opening electromagnet:    DC1.91    DC0.89A
19.Rated current of over-current trip: 5A
20.Rated current of auxiliary switch :   AC10 , DC5A

Required Environment:
Surrounding air temperature: Upper limit +40 degree ,lower limit -25 degree
Altitude: 1000m (max)
Environment relative humidity: the average value of relative humidity tested in 24 hours doesnot exceed 95%, the monthly relative humidity averages no more than 90%
The fixed place should be no fire, explosion, heavy dirtiness, chemical erosion gas and sharp vibration.