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VS1

VS1 36kv Compact MV Circuit Breaker

VS1-12 is a HV indoor vacuum circuit breaker working as a protection and control unit of power grid equipment and industrial electric equipment in power system of rated voltage from 7.2KV to 12KV. It meets the requirements of GB/T1984-2014 (AC HV circuit breaker) and JB355-1996 (3.6KV-40.5KV indoor AC HV vacuum circuit breaker). It can be used in switchgears of KYN28,etc

Description

VS1 36kv compact MV circuit breaker


VS1 12kV Model indoor AC high voltage vacuum circuit breaker is a type of holistic and completely sealed High Voltage switchgear, it has compact dimension and small volume. The VCB applies to power system of rated voltage 7.2~12kV, three-phase and AC 50/60Hz. It is applicable in occasions with frequent operations, acting to protect and control line and electric apparatus. The product conforms to IEC62271-100, GB1984, JB3855 and DL1403 and passes type test.


1.1 Suitable for three-phase AC, 50Hz, rated voltage of 12kV power system;
1.2 Can be used as a protection and control unit for industrial and mining enterprises and substation equipment;
1.3 Can be used for KYN28-12 and other central switch cabinets and fixed switch cabinets;
1.4 The main circuit of the circuit breaker can be used in two ways: insulated cylinder and solid sealed pole.
1.5 Executive standards:
GB1984 "High Voltage AC Circuit Breaker"
JB/T3855 "High Voltage AC Vacuum Circuit Breaker"
DL/T403 "Technical conditions for ordering 12kV-40.5 kV high voltage vacuum circuit breakers"
IEC62271-100 "High-voltage switchgear and control equipment-Part 100: AC circuit breakers"

2. Normal use environment
3. Place of use: Indoor
4. Ambient temperature: -15℃~40℃
5. Altitude: not more than 1000m
6. Daily relative humidity (average): not more than 95%
7. Daily water vapor pressure (average value): not more than 2.2kPa
8. Monthly relative humidity (average): not more than 90%
9. Monthly water vapor pressure (average value): not more than 1.8kPa


Note: 1. The surrounding air is not obviously polluted by dust, smoke, corrosive or flammable gas, steam or salt mist;

2. Exceed the normal conditions of use, please consult with the manufacturer.


NO.
Name
unit
DATA
1
Rated voltage
KV
12
2
1 min power frequency withstand voltage (effective value) (interphase, ground, fracture)
KV
42

Lightning impulse withstand voltage (peak value) (interphase, ground, fracture)

75
3
Rated current
A
630、1250、1600
4
Rated short-circuit breaking current
KA
20 25 31.5
5
Rated short circuit and current (peak value)
KA
50 63 80
6
Rated dynamic stable current (peak value)
KA
50 63 80
7
Rated thermal stability current
KA
20 25 31.5
8
Rated thermal stability time
S
4
9
Rated short-circuit current breaking times
times
30
10
Mechanical life
times
30000
11
Rated operating sequence

O-0.3S-CO-180S-CO
12
Single capacitor breaking capacity
A
630
13
Back-to-back capacitor bank breaking capacity
A
400
14
Contact opening
mm
11±1
15
Contact stroke
mm
3.5 ±0.5
16
Three-phase opening synchronization
ms
<=2
17
Bounce time of closing contact
ms
<=2
18
Buffer stroke
mm
10
19
Center distance
mm
210 250 275
20
Average opening speed
m/s
0.9-1.2
21
Average closing speed
m/s
0.5-0.8
22
Conductive loop resistance
u 0
<=50 630A
<=45 1250A
<=35 1600A
23
Accumulative allowable wear thickness of dynamic and static contacts
mm
<=3

FACTORY

CERTIFICATE

EXHIBITION


COMPANY OVERVIEW

PACKING&DELIVERY

FAQ


Q5 : Is OEM/ODM available?

A: Yes, it is! Our products can be Customized. We have design and engineer teams,we can customize products according to customers' drawing or requirements.

Q6 : You are manufacturer or trading company?
A: We are factory, As a 100% professional manufacturer with 20 year's manufacturer experience, we could produce products according to customers' requirements and we could also control the quality of products 100%.

Q7 : Can the price be negotiated?

A: Yes, the price is negotiable. It can be changed according to your quantity or package

Q8 : How about inspection?

A: We have the whole inspection system from raw material to end products include temperature rise test,salt spraying test conductor type test,mechanical life test.

Q9 : What is payment terms?

A: T.T, Paypal,Western Union,Alibaba trade assurance and L/C is acceptable. 30% T/T in advance ,70% balance before shipment.


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Welcome to inquiry


Contact information:


Jiyuan Fengyuan Electrical Equipment Co., Ltd


Sales Department


Contact person:Mr Charles Du


E-mail:fengyuan800@outlook.com


Mobile:+8618639199897(Available for whatsapp,wechat,skype)


Add:Huling industrial zone,jiyuancity,henan province,China


TEL:+86-0391-2180800


FAX:+86-0391-2180818


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