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Zhejiang Zhongneng Electrical Co., Ltd.

Vacuum Circuit Breakers, Circuit Breakers, Breakers manufacturer / supplier in China, offering Vacuum Circuit Breaker VS1-24kv, Fxbw-35kv/45kn Polymer Composite Tension Insulators, Fxbw-110/10 Composite Suspension Insulator and so on.

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Vacuum Circuit Breaker VS1-24kv

FOB Price: Get Latest Price
Min. Order: 1 Piece
Production Capacity: 200PCS/Month
Transport Package: Plywood Case Packing
Payment Terms: L/C, T/T, Western Union

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Basic Info
  • Model NO.: VS1-24KV
  • Operation: Manual Type
  • Arc-extinguishing Medium: Vacuum
  • Structure: Moulded Case Circuit Breaker
  • Certification: ISO9001-2000
  • Function: Circuit-Breaker Failure Protection
  • Specification: 24KV
  • HS Code: 8535210000
  • Breaking Capacity: High Voltage Circuit Breakers
  • Speed: High-Speed Circuit Breaker
  • Installation: Fixed
  • Poles Number: 2
  • Type: Circuit Breaker
  • Trademark: ZHON
  • Origin: Zhejiang
Product Description
VS1-24 series side-loading type(VBM7) indoor high-voltage vacuum circuit breaker is a kind of three-phase indoor high-voltage switchgear of rated voltage 24kV and AC 50Hz, used for control and protection of electric facilities.
Vacuum Circuit Breaker VS1-24kv
Item Unit Parameter
Rated Voltage kV 24
Rated Current A 630~1250 630~1250 630~1250
Rated Short-circuit Breaking Current kA 20 25 31.5
Rated Short-circuit Making Current kA 50 63 80
Rated Peak Withstand Current kA 50 63 80
4s Rated Short-time Withstand Current kA 20 25 31.5
Rated Insulation Level 1min Power Frequency Withstand Voltage (crest) kV 65
Lightning Impulse Withstand Voltage (peak) kV 125
Rated Operating Sequence   O-0.3s-C O-180s-CO
Mechanical Life times 10000
Rated Short-circuit Current Breaking Times times 50
Rated Closing Voltage of Operator (DC) V 110, 220
Rated Opening Voltage of Operator (DC) V 110, 220
Clearance Between Open Contacts mm 11± 1
Over travel of Contacts mm 3.5± 0.5
Three-phase Opening/Closing Synchronization ms ≤ 2
Closing Bouncing Time ms ≤ 2
Average Opening Speed m/s 0.9~0.12
Average Closing Speed m/s 0.4~0.8
Opening Time Highest Operating Voltage s ≤ 0.05
Lowest Operating Voltage s ≤ 0.08
Closing Time s 0.1
Main Loop Resistance of Each Phase μ Ω 60 50
Total Thickness of Permissible Wear of Moving and Static Contacts mm 3
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