Вакуумный выключатель вытащить Тип VED 12KV 1250A VCB заменить VD4

группа Вакуумный автоматический выключатель VCB
ценаUS $1193-1420 / piece
MOQ 1 piece
Способ платежа L/C, Western Union, MoneyGram, T/T
Время обновления 2019-11-01
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Vacuum circuit breaker VED 12 12KV 1250A 25KA VCB with copper parts 210 mm phase distance
VED-12 series Indoor high voltage vacuum circuit breaker suitable for 12kV air-insulated indoor switchgear, used as a protection and control unit for power equipment of industrial and mining enterprises. Due to its super perfection, it is especially suitable for places where frequent operation is required under rated operating current or multiple rupture under short circuit of rupture current. The circuit breaker adopts the integrated design of the working mechanism and the body of the circuit breaker, servers as not only a fixed installation, but also a type of crossing equipped with a special breakout mechanism.
VED-12 has two main types. One of them is the type of strikeout. Model Number VED-12D. The other is a fixed type.Model Number VED-12F.

terms of Use
1 ambient temperature: -15 ℃ ~ + 40 ℃;
2 Environmental humidity: daily average Relative humidity: 95%, monthly average Relative humidity: 90%; daily average saturated vapor pressure: 2. 2 × 10-3 MPa, monthly average saturated vapor pressure: 1. 8 × 10-3Mpa;
3 Height: no more than 1000 m;
4 earthquake intensity: does not exceed & degree;
5 place of service: lack of water, flammable or explosive substances, chemical corrosive gas or sudden vibration.
Detailed Images
The main technical parameter
no
thing
unit of measurement
parameter
one
Rated voltage
kv
12
2
Rated frequency
Hz
fifty
3
Rated lightning impulse Withstand voltage (min.)
Kv
75
four
Rated frequency of short time Withstand voltage (min.)
Kv
42
5
Rated Short Circuit Current
Ka
twenty
25
31.5
40
6
Rated current
A
630,1000, 1250
630.1000, 1250.1600
1250.1600.2000
   2500
1600,2000, 2,500.3150
7
Rated peak withstand current
Ka
fifty
63
80
one hundred
8
Rated Shortened-time withstand current
Ka
twenty
25
31.5
40
9
Rated Short-time making current (peak)
Ka
fifty
63
80
one hundred
10
Power Frequency Withstand secondary voltage (min.)
V
2000
eleven
Nominal sequence of operations

Off-0.3s-On & Off-180s-ON and OFF
-180 S-on-180 S-on *
12
Rated breaking current of the bank capacitor
A
630/400 (40kA 800/400)
13
Opening time (rated voltage)
Ms
20 ~ 50
fourteen
Closing time (rated voltage)
Ms
30-70
 
 
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