Gold Member Since 2014
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Yueqing Lovadon Electric Co., Ltd.

Vacuum Circuit Breaker, Outdoor High Voltage, Zw20f-12 manufacturer / supplier in China, offering Zw20f-12 Series Outdoor Itelligent Vacuum Circuit Breaker, CSA-021 Strong Metal Outer Shel Type Limit Switch, High Quality Electromagnetic Lrd Thermal Relay and so on.

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Supplier Homepage Product High Voltage Products Zw20f-12 Series Outdoor Itelligent Vacuum Circuit Breaker

Zw20f-12 Series Outdoor Itelligent Vacuum Circuit Breaker

FOB Price: US $10-20 / Piece
Min. Order: 50 Pieces
Min. Order FOB Price
50 Pieces US $10-20/ Piece
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Port: Ningbo, China
Production Capacity: 5000/Month
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: ZW20F-12
  • Operation: Electric Type
  • Arc-extinguishing Medium: Vacuum
  • Function: Circuit-Breaker Failure Protection
  • Rated Voltage: 3.6kv~40.5kv
  • Rated Frequency: 50Hz
  • Rated Peak Withstand Current: 31.5 40 50 63ka
  • Rated Short-Circuit Making Current: 31.5 40 50 63ka
  • Rated Current Dropout Frequency: 10000times
  • Transport Package: Standard Export Carton
  • Origin: China
  • Breaking Capacity: High Voltage Circuit Breakers
  • Speed: Normal Type Circuit Breaker
  • Type: Circuit Breaker
  • Certification: CE
  • Rated Current: 630 1000A
  • Rated Short-Circuit Breaking Current: 12.5 16 20 25ka
  • Rated Short Time Withstand Current: 12.5\16\20\25ka
  • Mechanical Life: 10000times
  • Net Weight: 140kg
  • Specification: CE
Product Description
ZW20F-12 Series Outdoor Itelligent Vacuum Circuit Breaker
ZW20F-12 Series Outdoor Itelligent Vacuum Circuit Breaker
rated voltage12kv
rated current630 1000A
rated short-circuit breaking current12.5 16 20 25kA
rated frequency50Hz
 mechanical life10000times
rated peak withstand current31.5 40 50 63kA
rated short time withstand current12.5\16\20\25kA
rated short-circuit making current31.5 40 50 63kA
rated current dropout frequency10000times
net weight140kg
dropout times of rated short circuit dropout current30times
secondary circuit 1min power frequency withstand
NOItemUnitTechnical Data
1Rated voltageKV12
21 min power frequency withstand voltage42
Lighting impulse withstand voltage(peak value)75
3Rated FrequencyHz50
4Rated currentA630, 1250, 1600, 2000, 2500, 3150, 4000
5Rated short time withstand currentKA20, 25, 31.5, 40
6Rated withstand current(peak)50, 63, 80, 100
7Rated short-circuit opening current20, 25, 31.5, 420
8Rated short-circuit closing current50, 63, 80, 100
9Rated duration of short-circuitS4
10Contact's clearance  3.5±0.5
11Contact's travel  9±1/11±1
12Average opening speedM/s1.1±0.2
13Average closing speedM/s0.6±0.2
14Opening timeMs35-60
15Closing timeMs20-45
16Mechanical lifeTimes30000
17Rated operating order  O-0.3S-CO-180S-CO(<40KA)
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Mr. Richard Zhou
General Manager
To: Mr. Richard Zhou

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