Gold Member Since 2015
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Mingde Electrical (Shanghai) Co., Ltd.

Circuit Breaker, Vacuum Circuit Breaker, Vacuum Interrupter manufacturer / supplier in China, offering Factory Supply 40.5kv -1600A Vmd DC Vcb with Assembly Pole, Zw32 12kv Outdoor Vacuum Circuit Breaker, 550 Modularized Omni-Sealed Solid Insulation Metal-Clad Switchgear and so on.

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Supplier Homepage Product Circuit Breaker Factory Supply 40.5kv -1600A Vmd DC Vcb with Assembly Pole

Factory Supply 40.5kv -1600A Vmd DC Vcb with Assembly Pole

Purchase Qty.:
(Pieces)
1-99 100+
FOB Unit Price: US $1,560 US $1,260
Purchase Qty. (Pieces) FOB Unit Price
1-99 US $1,560
100+ US $1,260
Get Latest Price
Production Capacity: 22000PCS/Year Circuit Breaker
Transport Package: Wooden Case Circuit Breaker
Payment Terms: L/C, T/T, Western Union, Paypal

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Basic Info
  • Model NO.: VMD
  • Operation: Manual and Electric Type Circuit Breaker
  • Arc-extinguishing Medium: Vacuum
  • Structure: Vcb Circuit Breaker
  • Type: Circuit Breaker
  • Certification: ISO9001-2000, CCC, Ohsas 180001
  • Rated Current: 1600A Circuit Breaker
  • Lightning Impulse Withstand Voltage: 185kv Circuit Breaker
  • Rated Peak Withstand Current: 50/63/80ka Circuit Breaker
  • Specification: ISO9001/OHSAS/OHSMS 18001
  • HS Code: 8535210000
  • Breaking Capacity: High and Medium Voltage Circuit Breaker
  • Speed: Normal Type Circuit Breaker
  • Installation: Fixed or Handcart Type Circuit Breaker
  • Poles Number: 3
  • Function: Overcurrent Protection
  • Rated Voltage: 40.5kv Circuit Breaker
  • 1 Min Power Frequency Withstand Voltage: 95kv Circuit Breaker
  • Rated Short-Time Withstand Current: 20/25ka Circuit Breaker
  • Trademark: Mingde Circuit Breaker
  • Origin: Cixi, Ningbo Circuit Breaker
Product Description
 Factory Supply 40.5kv -1600A Vmd DC VCB with Assembly Pole

Factory Supply 40.5kv -1600A Vmd DC Vcb with Assembly Pole
   
1. General rules

 
    VMD5 series vacuum breaker is of indoor high voltage switchgear suitable for 40.5kV.

    Three-phase power system with 50Hz frequency in order to protect and control electrical appliances, and especially suitable for frequent operation at rated current or incessant open circuit due to unique advantages of vacuum circuit breaker.

     VMD5 series vacuum breaker can be used independently, and also can be applied in central switch cabinet, fixed switch cabinet, and oilless recon-struction, as well as realize complete interchangeability with foreign like products.
 
Example:
 
    VMD5-40.5/1250-31.5 refers to VMD type indoor high voltage vacuum breaker, with main technical parameters: 40.5kV voltage, 1250A rated current, and 31.5kArated short-circuit breaking current.
 

2. Operating environment condition
2-1Normal operating environment condition
 
Altitude: 1000m and below 1000m area
Environment temperature:
Highest temperature: +40ºC
Daily mean no larger than: +30ºC
Lowest temperature: -15ºC
Environment humidity:
Daily average relative humidity: 95%
Monthly average relative humidity: 90%
Daily average saturated vapor pressure: ≤2.2×10-3MPa
Monthly average saturated vapor pressure: ≤1.8×10-3MPa
Earthquake intensity: no more than 8 degree
The product shall be away from weep, fire and explosion, chemical
corrosion and strenuous vibration place.

Special Operating Condition
 
       Please consult with manufacturer on manufacturing technology when operating environment is the climatic environment with high altitude, high humidity and great temperature change or other special environment condition.
 
3. Main specifications and technical parameters
     
NOItemUnitTechnical data
1Rated voltageKV40.5
2Rated insulating levelRated short time power 
frequency withstand
voltage(1 min)
95
Rated lighting impulse withstand voltage185
3Rated FrequencyHz50/60
4Rated currentA6306301250
125012501600
  2000
  2500
5Rated short circuit breaking currentKA202531.5
6Rated short time withstand current202531.5
7Rated peak withstand current506380
84S rated short-time withstand current202531.5
9Rated peak value of current506380
10Rated short-circuit making current(peak value)506380
11Duration of rated short-circuit currentS4
12Mechanical endurancetimes10000,30000,60000
13Rated making surge current
 of capacitor 
KA12.5
(The frequency is less than 1000Hz)
14Rated breaking current of single/symmetrical 
capacitor bank
A630,400
15Breaking times at rated short-circuit currentTimes20
16Power frequency withstand voltage 
of secondary circuit
V2000
17Rated operating voltageAC110/220DC110/220
18Rated operating order O-0.3S-CO-180S-CO
19Energy storage timesS<=15
20Clearancemm202
21Travel61
22Pole distance3001.5
23Bounce time(making)ms<=3
24Three pole making/breaking non simultaneity<=2
25Average breaking timem/s1.5~1.9
26Average making time0.6~1.3
27Making timems30-80
28Breaking time20-45
29Contact pumping(breaking)mm<=3

Packaging, transportation and storage precautions

(1) Circuit breaker should be in the state of opening and energy storage spring in a state without energy storage when packing. It should be in the state of opening and energy storage spring in a state without energy storage when packing. And it should be fixed on the bottom of the wooden case, should have waterproof measures and complete package labels.
(2) Circuit breakers can't invert and avoid strong vibration, rain, surface damage, and components lost when transportation.
(3) When loading the circuit breaker, we suggest the following tools: crane, forklift and driving. When lifting the circuit breaker, we should not hook on the body or pole of the circuit breaker, but on the lifting hole which has the lifting mark.
(4) When circuit breaker has a long-term storage, it should be in a state of opening and energy storage spring in a state without energy storage and placed in dry ventilated indoor preventing from moisture, vibration control and harmful gas erosion, and regularly checked whether environment meets the requirements.
(5)When first use products after long-term storage, it need to have a power frequency withstand voltage insulation testing.
Factory Supply 40.5kv -1600A Vmd DC Vcb with Assembly Pole

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Factory Supply 40.5kv -1600A Vmd DC Vcb with Assembly Pole
 
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