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Zn85-40.5 Indoor High Voltage Vacuum Circuit Breaker
Product Description
ZN85 40.5 vacuum circuit breaker
1, indoor type
2, 3phase
3, rated voltage: 40.5kv
4, apply for GB IEC
36kv vacuum circuit breaker
Type ZN85-40.5 indoor alternating current high voltage vacuum circuit breaker
Usage and Characteristics
Type ZN85-40.5 indoor alternating current high voltage vacuum circuit breaker is applicable for the three-phase AC 50Hz. 40.5kv power system. It can used as the protective and contorl device in the industrial and mining enterprise. Power plant and substation. It is applicable for frequently operation.
The circuit breaker meet the requirements of state standard GB 1984 Alternating current high voltage circuit breaker and JB3855 3.6-40.5kv indoor alternating current high voltage vacuum circuit breaker
Service and Environmental Condition
1, Ambient Temperature: -25° C~+40° C, Daily mean: ≤ 35° C
2, Relative humidity: Daily mean ≤ 95%, monthly mean ≤ 90%, Water Vapor: Daily mean ≤ 2.2Mpa
3, Water Vapor: Monthly mean ≤ 1.8Mpa
4, Sea-level Altitude: ≤ 1000m
5, no dust, smoke, corrosive and inflammable gas, vapor, salt spray or strenuous vibration.
6, The amplitude of electromagnetic interference induced in the auxiliary circuit: ≤ 1.6KV
Main Technical Parameters
No.
Item
Unit
Data
1
Rated voltage
KV
40.5
2
Rated insulation level
Power frequency withstand voltage 1min (effective value)
KV
95
Lightning impulse withstand voltage (effective value)
KV
185
3
Rated current
A
1000 1250 1600 2000
4
Rated frequency
Hz
50
5
Rated short - time withstand current
KA
20 25 31.5
6
Rated peak withstand current
KA
50 63 80
7
Rated short-circuit breaking current
KA
20 25 31.5
8
Rated short circuit making current(peak value)
KA
50 63 80
9
Rated Short-circuit Continuing Time
S
4
10
Rated operating sequence
C-0.3s-CO-180s-CO
11
Breaking time
ms
<80
12
Rated short circuit breaking current times
time
20
13
Single capacitor unit breaking current
A
630
14
Machinery life
Time
10000
15
Rated operating voltag
V
-110/~110,-220/~220
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Trading Company,Seller
Year Established:
2006
Total Annual:
50 Millions-100 Millions
Employee Number:
150~200
Ecer Certification：
Active Member
Xi'an ERFA Switchgear Co.,Ltd is under ERFA Industries group, was established in 2006, It is located in moden enterprise central, and has a registered captial of RMB60 millions and specializes in developing, manufacturing and selling high voltage and low voltage electrical products.
Our compa... Xi'an ERFA Switchgear Co.,Ltd is under ERFA Industries group, was established in 2006, It is located in moden enterprise central, and has a registered captial of RMB60 millions and specializes in developing, manufacturing and selling high voltage and low voltage electrical products.
Our compa...
