Specifications
Brand Name :
HENGFENGYOU
Model Number :
ZW7
Place of Origin :
China
MOQ :
1
Payment Terms :
LC T/T
Supply Ability :
20000 pieces/year
Delivery Time :
15 days
Packaging Details :
wood
Price :
200-5000/piece
Certification :
IEC CB COC KEMA SNI SABS CCC
Description

Introduction info

ZW7-40.5 model outdoor high voltage vacuum circuit breaker was used to AC 50Hz, 40.5kV 3-phase electric system as breaking, linking load current, overload current and short current.

ZW7 Outdoor  High Voltage Vacuum Circuit Breaker

Normal service condition

Altitude ≤1000m
Ambient temperature Max +40℃
Min -15℃

Ambient humidity:

Maximum average humidity

24 hour ≤95%
1 month ≤90%
Maximum water vapor pressure 24 hours ≤2.2kpa
1 month ≤1.8kpa

The ambient air has no obvious pollution of dust smoke, corrosive or combustible gases, steams or smog

Technical Parameters

No. Specifications Unit Value
1 Rated Voltage kV 40.5
2 Rated current A 1600
3 Rated short-circuit breaking current kA 31.5
4 Rated short-circuit switching current (peak) 80
5 Rated short time withstand (thermal stability) current 31.5
6 Rated short time withstand (dynamic stability) current 80
7 Rated short-circuit duration time s 4
8 Rated insulating level Power frequency withstand voltage (1 min) Dry-type kV 95
Wet-type 80
Lightning impulse withstand voltage (peak) kV 185
9 Rated operating sequence O-0.3s-CO-180s-CO
10 Breaking time of rated short-circuit breaking current Times 20
11 Breaking time (with spring operating mechanism) ms ≤80
12 Mechanical life times 10000
13 Rated operating voltage V AC220 DC220
14 Clearance between contacts mm 20+30
15 Over stroke of contacts mm 5±1
16 Bounce time ms ≤5
17 Loop DC resistance of each phase μΩ 120
18 Outline dimension of breaker (L*W*H) mm 2200*700*2500
19 Total weight of breaker (with operating mechanism) kg 1100


ZW7 Outdoor  High Voltage Vacuum Circuit Breaker

About us

Qingdao Hengfengyou Electrical Engineering Co. , Ltd. is one of the large-scale electric complete

sets of manufacturers in China, specializing in oil-immersed transformers, dry-type transformers,

high-voltage Cabinets, low-voltage cabinets and substation manufacturing specialized electrical

enterprises. The company is located in the beautiful coastal city of china-qingdao. The company

has a registered capital of 10 million yuan, 20 senior technical personnel, more than 500 employees,

and a sound sales and service system, annual output value of US $1 billion, the products sell well

at home and abroad.

ZW7 Outdoor  High Voltage Vacuum Circuit Breaker

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ZW7 Outdoor High Voltage Vacuum Circuit Breaker

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Brand Name :
HENGFENGYOU
Model Number :
ZW7
Place of Origin :
China
MOQ :
1
Payment Terms :
LC T/T
Supply Ability :
20000 pieces/year
Contact Supplier
ZW7 Outdoor  High Voltage Vacuum Circuit Breaker
ZW7 Outdoor  High Voltage Vacuum Circuit Breaker
ZW7 Outdoor  High Voltage Vacuum Circuit Breaker

Qingdao Hengfengyou Electrical Engineering Co., Ltd.

Active Member
6 Years
shandong, qingdao
Since 2008
Business Type :
Manufacturer, Exporter, Trading Company, Seller
Total Annual :
3000-5000
Employee Number :
100~200
Certification Level :
Active Member
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