ZN85-40.5 3 Phase 33kv 35kv 40.5kv Vacuum Circuit Breaker VCB

Brand Name:XG
Certification:ISO CCC
Model Number:ZN85
Minimum Order Quantity:1 SET
Delivery Time:3-7 DAYS
Payment Terms:L/C, T/T, D/A, D/P, Western Union, MoneyGram
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Address: Weibei industrial zone, Lintong district, Shanxi. CHINA
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Product Details

1. ZN85-40.5 series 3 Phase 33kv 35kv 40.5kv indoor high voltage vacuum circuit breaker vcb


ZN85-40.5 type indoor high voltage vacuum circuit breaker is suitable for three-phase AC 50Hz, rated voltage 40.5kV power system, can be used for industrial and mining enterprises, power plant and substation as opening and closing load current, overload current, fault current use.

Circuit breaker and operating mechanism adapt the upper and lower arrangement of institutions, effectively reducing the circuit breaker depth.


2. Parameter Data


No.ItemUnitDate
1Rated voltagekV40.5
21 min power frequency withstand voltagekV95
3Lightning impulse withstand voltagekV185
4Rated frequencyHz50
5Rated currentA1250,1600,2000
6Rated short time withstand currentkA25,31.5
7Rated peak withstand currentkA63,80
8Rated short duration currents4
9Rated short-circuit breaking currentkA25,31.5
10Rated short-citcuit closing currentkA63,80
11Rated sequence of operations0-0.3s-CO-180S-CO
12Rated short-circuit breaking current breaking timetime20
13Single capacitor bank breaking currentA630
14Back to back capacitor bank breaking currentA400
15Rated operating voltageV-100/~110, -220/~220
16Mechanical lifetime1000

3. Application


height above sea level:≤1000m

Ambient temperature:-15~+40ºC.
Relative humidity:the average humidity of a day should be no more than 95%;the average humidity of a month should be no more than 90%.
It should be installed in the places without fire,explosion,serious filth, chemical erosion and violent vibration.

Saturated vapor pressure:the average pressure of a day should be no more than 2.2kPa:the average pressure of a month should be no more than 1.8kPa.
Earthquake intensity:not exceed 8 degrees.


4. Photo and drawing



5. Factory



6. Delivery



7. FAQ


1. Send the technical data, better for all useful information; we will make a good recommendation.

If possible please attach one reference picture to avoid any misunderstanding or any links from our website for we get a better understanding.

2. The lead time depend on quantity of order. Some standard type is on stock. Otherwise, it will take 3-15 days.

3. Usually shipped by sea, small order or urgent order we can send you by air.

4. All our activities are accredited to ISO 14001:2015 and IEC standard.

China ZN85-40.5 3 Phase 33kv 35kv 40.5kv Vacuum Circuit Breaker VCB supplier

ZN85-40.5 3 Phase 33kv 35kv 40.5kv Vacuum Circuit Breaker VCB

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