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New Concept Electric Inc.

High Voltage Circuit Breaker, Outdoor Circuit Breaker, Permanent-Magnetic Circuit Breaker manufacturer / supplier in China, offering High Voltage Environmental Friendly Maintenance Free Outdoor Circuit Breaker, Power Distribution High Voltage Solid Insulated Switchgear, High Voltage Energy Saving Maintenance Free Intelligent Environmental Friendly Solid Insulated Switchgear and so on.

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Supplier Homepage Product Circuit breaker High Voltage Environmental Friendly Maintenance Free Outdoor Circuit Breaker

High Voltage Environmental Friendly Maintenance Free Outdoor Circuit Breaker

FOB Price: Get Latest Price
Min. Order: 1 Piece
Port: Shanghai, China
Production Capacity: 5000pieces/Year
Payment Terms: L/C, T/T

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Circuit breaker
4 Products
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Product Name
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Basic Info
  • Model NO.: AB-3S-72.5
  • Operation: Manual Type
  • Arc-extinguishing Medium: Vacuum
  • Structure: Magnetic Outdoor Circuit Breaker
  • Type: Circuit Breaker
  • Certification: ISO9001-2000
  • Creepage Distance: >31mm/Kv
  • Wind Speed: <35m/S
  • Transport Package: Wood
  • Origin: Yangzhou
  • Breaking Capacity: High Voltage Circuit Breakers
  • Speed: High-Speed Circuit Breaker
  • Installation: Fixed
  • Poles Number: Unknown
  • Function: Overcurrent Protection and Ovp
  • Working Ambient Temperature: -50-+70
  • Ice-Coverage Thickness: <10mm
  • Trademark: New Concept Electric
  • Specification: 1650Kg
  • HS Code: 8535210000
Product Description
Yangzhou New Concept Electric Co., Ltd. has independently developed 72.5kV intelligent phase selection (synchronous) HV permanent-magnetic vacuum circuit breaker (hereinafter referred to as "intelligent circuit breaker") at world advanced level by integrating domestic and foreign advanced technologies, adopting the new design concept and applying hi-tech means. With permanent-magnetic mechanism, vacuum arc extinction, integrated sensor and ARM+DSP processor, this intelligent circuit breaker self-adapts to own parameters and the impact of environment, thus being the first choice for the realization of power grid intelligentization.

This product conforms to IEC60298, GB3906-2006, GB/T 11022-1999, DL/T 593-2006, GB 1984-2003 standards, etc.

 Major Technical Parameters are shown below:
Rated voltage72.5kV
Rated current1600/2000/2500A
Rated frequency50Hz
Rated short-duration (1 min) power frequency withstand voltage160kV
Rated short-circuit breaking current31.5kA
Thermal stability current(4s)31.5kA
Rated lightning impluse withstand voltage(to earth/break)350kV
Dynamic stability current(peak value)80kA
Rated short-circuit current breaking times20 Times
Operating time40-60ms
Operating voltageAC/DC220V
Mechanical service life>10000 times
Main circuit resistance<85uΩ

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