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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, High Voltage Distribution System Automatic Circuit Recloser, Fast Response Outdoor Automatic Circuit Recloser 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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Product Catalog
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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