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40.5KV Electrical Vacuum Interrupter Circuit Breaker 400A Galvanized

40.5KV Electrical Vacuum Interrupter Circuit Breaker 400A Galvanized

Brand Name:XG
Certification:ISO CCC
Model Number:ZN85
Minimum Order Quantity:1 SET
Delivery Time:7-15 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
Supplier`s last login times: within 2 hours
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40.5KV Electrical Vacuum Interrupter Circuit Breaker 400A 630A 1250A


1. ZN85-40.5 series vacuum circuit breaker vcb


Electrical Vacuum Interrupter Circuit Breaker is suitable for 40.5kv, three phases AC system. It can be installed into high voltage switchgear. The operation mechanism adopts an advanced spring mechanism.


2. ZN85-40.5 series vacuum circuit breaker Parameter


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. ZN85-40.5 series vacuum circuit breaker 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.


4. Photo and drawing


China 40.5KV Electrical Vacuum Interrupter Circuit Breaker 400A Galvanized supplier

40.5KV Electrical Vacuum Interrupter Circuit Breaker 400A Galvanized

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