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{"title":"Indoor Electrical VCB Circuit Breaker High Voltage Zn85-40.5 Series","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/40\/55\/5faacd1178ce8d9a97074f14fb59-200x200-1\/indoor_electrical_vcb_circuit_breaker_high_voltage_zn85_40_5_series.jpg","attrs":{"Place of Origin":"China","Brand Name":"ERFA","Model Number":"Zn85 40.5","Certification":"ISO9000, XIHARI"}}
{"title":"Medium Voltage Electrical VCB Circuit Breaker With Sealed Vacuum Pole VS1-12","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/a3\/8e\/8d4963a90250700f40e873d288a2-200x200-1\/medium_voltage_electrical_vcb_circuit_breaker_with_sealed_vacuum_pole_vs1_12_type.jpg","attrs":{"Place of Origin":"China","Brand Name":"ERFA","Model Number":"ZN63 (VS1)","Certification":"ISO9000, XIHARI"}}
{"title":"Zn63A Series Electrical VCB Circuit Breaker","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/9f\/de\/54b7c0ad3b1d9def69df8ff8431e-200x200-1\/zn63a_series_electrical_vcb_circuit_breaker.jpg","attrs":{"Brand Name":"ERFA","Model Number":"ZN63A (VS1)-12","Certification":"ISO9001-2000","Place of Origin":"CHINA"}}
{"title":"Magnet Type Electrical VCB Circuit Breaker","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/74\/35\/cd780941c2030850c1b2d19ca86c-200x200-1\/magnet_type_electrical_vcb_circuit_breaker.jpg","attrs":{"Brand Name":"ERFA","Model Number":"ZN73A-12","Certification":"ISO CCE","Place of Origin":"Xian China"}}
ERFA-24 Series of Indoor High Voltage Vacuum Circuit Breaker with Common Insulated Cylinder
General Description ERFA-24 series of Indoor High Voltage Vacuum Circuit Breaker with Common Insulated Cylinder is threephase A.C.50Hz indoor power distribution equipment with the rated voltage of 24KV.It's used for protecting and controlling the electrical equipment in the fileds of industry & minning enterprise,power plants and substation.This type Vacuum Circuit Breaker conforms to national standards and the stipulation of IEC standard,the capability reaches grade of M2-E2-C2. The product adopt composite insulation way,spring charged operation and screw rod push mechanism, with the characeristics of small volume,compact design and reliable operation, it can easily match with the switchgear and meet the "Five Preventions" demands. This kind of Vacuum Circuit Breaker can be used for many kinds of switchgear like KYN28-24(GZS1),This series of products include:VCB truck,isolation truck and fuse truck etc. Applying ambient conditions 1. Ambient temperature:-15ºC~+40ºC. 2. Ambient humidity:the average humidity of a day should be no more than 95%;the average humidity of a month should be no more than 90%. 3. Earthquake intensity:not exceed 8 degrees. 4. Saturated vapour pressure:the average pressure of a day should be no more than 2.2kPa;the average pressure of a month should be no more than 1.8kPa. 5. The height above sea level:1000m(besides the special requirements). 6. It should be installed in the places without fire,explosion,serious filth,chemical erosion and violent vibration. Main Technical Specification
S.N
Name
Unit
Data
1
Rated voltage
kV
24
2
Rated current
A
630
1250
1600
2000
2500
3150
3
Rated frequency
Hz
50
4
Rated short circuit breaking current
kA
20
25
31.5
5
Rated short circuit making current
kA
50
63
80
6
Rated short time withstand current
kA
20
25
31.5
7
Rated peak withstand current
kA
50
63
80
8
Rated power frequency withstand voltage
kV
65
9
Rated lighting impulse withstand voltage
kV
125
10
Rated short-circuit duration
s
4
11
Rated operating sequence
O-0.3s-CO-180s-CO
12
DC component
50%
13
Mechanical endurance
Cycle
10000
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2006
Total Annual:
50 Millions-100 Millions
Employee Number:
150~200
Ecer Certification：
Active Member
Xi'an ERFA Switchgear Co.,Ltd is under ERFA Industries group, was established in 2006, It is located in moden enterprise central, and has a registered captial of RMB60 millions and specializes in developing, manufacturing and selling high voltage and low voltage electrical products.
Our compa... Xi'an ERFA Switchgear Co.,Ltd is under ERFA Industries group, was established in 2006, It is located in moden enterprise central, and has a registered captial of RMB60 millions and specializes in developing, manufacturing and selling high voltage and low voltage electrical products.
Our compa...
