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Vacuum Arc Extinguish Chambe, Td1250/12 Arc Extinguish Chambe, Arc Extinguish Chambe manufacturer / supplier in China, offering Bd1250|12 Vacuum Arc Extinguish Chamber for Indoor Circuit Breakerzn28, Fuse Cutout with 24-36kv Voltage (FSC-27; FSC-36), Outdoor Expulsion Drop-out Type Fuse Cutout and so on.

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Bd1250|12 Vacuum Arc Extinguish Chamber for Indoor Circuit Breakerzn28

FOB Price: US $700-1,000 / Piece
Min. Order: 1 Piece
Min. Order FOB Price
1 Piece US $700-1,000/ Piece
Get Latest Price
Port: Shanghai, China
Production Capacity: 500PCS Per Month
Payment Terms: L/C, T/T, D/P, Western Union, Paypal
Basic Info
  • Model NO.: BD1250|12-20|25
  • Operation: Energy-storage Type
  • Arc-extinguishing Medium: Vacuum
  • Structure: ACB
  • Type: Circuit Breaker
  • Certification: ISO9001-2000
  • Rated Voltage: 12kv
  • Transport Package: Carton
  • Origin: Shanghai, Chian(Mainland)
  • Breaking Capacity: High Voltage Circuit Breakers
  • Speed: High-Speed Circuit Breaker
  • Installation: Fixed
  • Poles Number: 1
  • Function: Conventional Circuit Breaker, Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)
  • Rated Current: 1250A
  • Trademark: None
  • Specification: 64X237± 2
  • HS Code: 8538900000
Product Description
Product description
  • Operation: Electric Type
  • Rated Current: 1250A
  • Material: Ceramic
  • Rated Short-Circuit Breaking Current: 25ka
  • Model:ZN28
  • Function: Circuit-Breaker Failure Protection
  • Sructure:Cup type axial magnetic field vaccum chamber
  • Advantage:Small volume, big dropout crrrent volume, high insulation, strong arcing ability, simple maintenance, no explosion danger, no pollution danger, little noise
Main Technique Parameter
Parameter nameUnitValue
Rated voltage KV12
Rated short-circuit breaking currentKA20, 50
Rated Short-circuit making currentKA50, 63
Rated peak withstand currentKA50
Rated short-time withstand currentKA20, 25
Rated duration of short circuits4
Rated single capacitor unit breaking currentA630
Rated back to back capacitor unit breaking currentA400
Rated short time power frequency withstand voltage(1min)KV42
Circuit resistence at lower limit of rated contact pressureμΩ≤30
Rated short circuit breaking current breaking timestime30
Rated lightening impulse withstand voltageKV75
Mechanical endurancetime10000
Closing force due to bellow and atmosphereN120±50
Force required to hold contacts open at full strokeN200±50
Contact-wear allowance thicknessmm3
Gas pressure inside vacuum interrupterPa≤1.33X10-3

Our company
SHANGHAI POWERY INDUSTRIES CO., LTD. ( SPI ) corporate group has been dealing with the interfaces in the flow of electricity ever since it was founded back in 2011. SPI's three groups - Pole Line Hardware( Tsingtao, China ),High Voltage Line Protection(Lishui, China ), Distribution Transformers( Shinseong, Korea ) - offer a unique set of brands and products. As a specialist in energy transmission and distribution, we offer our customers and business partners a range of sophisticated, future-ready products: For all voltage ranges and wherever reliable, long-lasting systems are needed for powerful energy grids. We are already well-established in all key global markets and are continuing to strengthen our brand on a worldwide scale.SPI has identified key factors that will be instrumental to its sustainability.

Bd1250|12 Vacuum Arc Extinguish Chamber for Indoor Circuit Breakerzn28
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