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Lbs, Reclosures, Auto Reclosures manufacturer / supplier in China, offering 12kv Sf6 Gas Outdoor Load Break Switches with Auto Reclosures, Kyn28 Indoor AC Metalclad Enclosed Switchgear, Kyn28A-12 Mv Switchgear with Air Circuit Breaker and so on.

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Supplier Homepage Product Related products 12kv Sf6 Gas Outdoor Load Break Switches with Auto Reclosures

12kv Sf6 Gas Outdoor Load Break Switches with Auto Reclosures

FOB Price: US $100 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $100/ Piece
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Port: Ningbo, China
Production Capacity: 100
Payment Terms: T/T, Western Union, Paypal

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Basic Info
  • Model NO.: ZW8-12
  • Type: Outdoor
  • Transport Package: Carton Package
  • Origin: Made in China
  • Material: Steel
  • Trademark: CNHK
  • Specification: STEEL
Product Description
ZW8-12 (G)  Vacuum Circuit Breaker, Outdoor Type,
1.1Ratings: Rated voltage up to 12kV, Rated current up to 1000A, AC50HZ 
1.2 Application: for the control and protection of substation and equipments; making and breaking short-circuit current under various operating status of electric network.
 1.3 Standard: IEC62271-100
2. Type and Interpretation:
 Z  W  8 - 12 /T630--
Z: Vacuum circuit breaker
W: Outdoor
8: Design code
12: Rated voltage(kV)
630: Rated current(A)

3. Working Condition
3.1 Ambient air temperature: -40ºC~ +40ºC
3.2 Altitude: ≤2000m
3.3 Pollution level:II
3.4 Wind speed: 34m/s (Equal to 700 over cylindrical surface)
3.5 The external shocking and earthquake could be neglected.
3.6 Service condition with dust, corrosive gas, water vapor or salty fog pollution are acceptable.
3.7The amplitude of electromagnetic interference in the secondary system
Note: Customized products for other special working conditions are available on your requirements.
4. Main Technical Parameter
Rated voltagekV12
Rated insulation level1min power frequency with stand voltageDry testkV50
Wet testkV42
Rated lightning impulse withstand voltagekV75
Rated frequencyHz50
Rated currentA630(1250)
Rated short-circuit breaking currentkA12.51620
Rated short-circuit making current(peak)31.54050
Rated short-time withstand currentkA12.51620
Rated peak withstand current31.54050
Rated duration of short-circuits444
Rated operation sequence O-0.3s-CO-180S-CO*
Mechanical life(grade M2)times10000
Electrical life E2 class
Overall breaking times 
Rated breaking times of short-circuit breaking currenttimes30
Rated operating voltage and rated auxiliary circuit voltageVDC220,110,24
Permissible wearing thickness for contactsmm3
4.2 Technical parameters of intelligent terminal controller
4.2.1 Power
     Rated working voltage: AC220V
     Normal voltage tolerance: -20%~+20%
     Backup power: 7Ah lead acid battery*2
     Power consumption:
     Rated frequency: 50Hz
     Waveform distortion:
4.2.2 Rated value
     Current transformer:5A, power consumption
     Voltage transformer:220V, power consumption
     Frequency: 50Hz
4.2.3 Measuring range and accuracy
     Current : (10%~2000%)xIn %
     Voltage: (10%~150%)xUn %
     Frequency: 45Hz~65 %
4.2.4 Protection performance parameters
     Event resolution:2ms
     Time of quick breaking lockout 
     Time error of protection lockout: %
4.2.5 Lockout relay
     Contact load:16A/250VAC,16A/30VDC
     Electrical life: 100,000times
4.2.6 Input of switch number
     Rated voltage:DC24V
4.2.7 EMC characteristics
     Insulation resistance:
     Insulation strength: 2.5Kv,1min
     Voltage sags and voltage interruption:100%,0.5s
     High-frequency interference: Series-mode:1.5kVP,1min
     Common-mode: 2.5Kvp,1min
     Transient: 4.0Kvp,1min
     Surge interference: 4.0Kvp, 1.2/50us
     Contact discharge:8Kv
     Frequency magnetic field: 100A/m
Magnetic damping shock: 100A/m
Impulse voltage: 5kV, 1.2/50us
4.2.8 Communication interface
Main Communication interface: RS481(9600bps)
4.2.9 Working Condition
 Working temperature: -40ºC~ +70ºC
Storage temperature: -40ºC~ +85ºC
Humidity: 5%~100%
 Ambient temperature change rate: ºC/h
 Atmospheric pressure: 70~106Kpa
No obvious dust, smoke, corrosive and flammable gas, stream or salt mist.
4.2.10 Other technical parameters
  Total weight: kgs
     Protection class of shell: IP54
     MTBF: 50,000h
4.3 Configuration of current transformer: 2~6 bushing current transformers,variable ratio50/5~1000/5(contact us if you have other requirements)
4.4 Configuration of voltage transformer: 1~2 external voltage transformer,1 cut-out fuse.
5. Overall and Installation Dimension
12kv Sf6 Gas Outdoor Load Break Switches with Auto Reclosures

12kv Sf6 Gas Outdoor Load Break Switches with Auto Reclosures
12kv Sf6 Gas Outdoor Load Break Switches with Auto Reclosures
6.Ordering Information
Please indicate the following items when order:
6.1 Type, name and parameters and quantity
6.2 Disconnector is needed or not.
6.3 Rated operation voltage
6.4 Variable ratio , accuracy, quantity and output capacity of the current transformer.
6.5 Name and quantity of spare parts.
Note: Customized products are available per your requirements.
12kv Sf6 Gas Outdoor Load Break Switches with Auto Reclosures
12kv Sf6 Gas Outdoor Load Break Switches with Auto Reclosures
12kv Sf6 Gas Outdoor Load Break Switches with Auto Reclosures

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