Gas Insulated Switchgear Circuit Breaker with Isolation and Earth Grounding

• Breaking Capacity: High Voltage Circuit Breakers
• Operation: Energy-storage Type
• Speed: Normal Type Circuit Breaker
• Arc-extinguishing Medium: SF6
• Installation: Insert
• Structure: CB
• Model NO.: SHV-12
• Poles Number: 3
• Type: Circuit Breaker
• Function: Conventional Circuit Breaker
• Certification: ISO9001-2000, CCC
• Rated Voltage: 1250A/1600A/2000A
• Rated Frequency: 50Hz
• Rated Current: 630A-4000A
• Mechanical Life: 10,000 Times
• Weight: 800 Kgs
• Transport Package: Wooden Box
• Trademark: xianghu
• Origin: Zhejiang, China
• HS Code: 8537209000
• Production Capacity: 2000 Piece/Pieces Per Month

Product Description

 

 

 

 

Main technical parameters

Product Description

SHV-12/630A circuit breaker switch
has the advantages of easy installation, less maintenance, long life, small size, cheap price, safe and reliable.
The product conforms to the technical requirements of GB1984-89,GB/T1984-2003 AC high voltage circuit breaker.
Main loop 630A-20KA/25KA, mechanical life: 10000 times.
Grounding loop 20KA,mechanical life: circuit breaker 10000 times, isolation/grounding: 3000 times /3000 times.

Use of environmental conditions note:
The altitude should not exceed 2000 meters, and the intensity of the earthquake should not exceed 8 degrees.
The ambient temperature of the product is -30ºC~+40ºC, the daily average relative humidity is not more than 95%, the monthly average is not more than 90%;
The installation place with frequent violent vibration, water vapor, gas, chemical corrosive deposition, salt spray, dust and dirt, fire and explosion hazards are not suitable for use.

Main technical parameters:
Rated frequency: 50Hz;
Rated current: 630A;
Rated short-time endurance current: 20/25KA;
Rated peak tolerance current: 50KA;
Rated short-time withstand current and time: 20/4, 25/4, 31.5/4 kA/S;
Rated short-circuit closing current: 50KA;
Rated operation sequence: O-0.3s-CO-180s-CO

Mechanical parameters:
Circuit breaker main circuit resistance: ≤40μΩ;
Overrange: 2.5±0.5mm;
Opening distance: 8.5±1mm;
Bounce: ≤2ms;
Average speed of opening: 1.2±0.2m/s;
Average closing speed: 0.6±0.2m/s;
Switching three-phase different period: ≤2ms;
Closing three-phase different period: ≤2

 

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