12KV Indoor Smart Panel Board Vacuum Circuit Breaker

LiuGao proudly leads the industry as a dedicated indoor vacuum circuit breaker manufacturer.Our flagship product, the 12KV Indoor Smart Panel Board Vacuum Circuit Breaker, is specifically designed for indoor use in AC three-phase power systems with a frequency of 50Hz and a rated voltage of 12kV.Beyond its robust design, this breaker's primary function is to excel as a protection and control unit within the electrical system.Choose LiuGao for cutting-edge solutions that redefine reliability and performance in indoor vacuum circuit breakers.

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Product Description

Liugao boldly stands as the leading 220KV SF6 Heavy Duty High Voltage Circuit Breaker supplier. This vacuum circuit breaker is specifically crafted for applications demanding frequent operations at the rated operating current or locations prone to multiple short-circuit breaking currents. With cutting-edge technology and robust design, Liugao ensures unmatched reliability and performance in high-voltage circuit breakers. Choose Liugao for groundbreaking solutions that redefine standards in heavy-duty high voltage applications.The unique advantages of vacuum circuit breakers make them especially suitable for scenarios that demand reliable and frequent switching operations.

With its side-mounted design, the VS1-12 vacuum circuit breaker is engineered to meet the specific requirements of indoor high-voltage applications. Its robust construction and superior performance characteristics make it a reliable choice for ensuring the protection and control of electrical systems operating at 12kV.

12KV Indoor Smart Panel Board Vacuum Circuit Breaker Operating Environment

Ambient temperature:-10℃-+40℃

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%.

Earthquake intensity: not exceed 8 degrees.

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

Than1.8Kpa;

The height above sea level:≤1000 m (Except special requirements)

It should be installed in the places without fire, explosion, serious filth, and

12KV Indoor Smart Panel Board Vacuum Circuit Breaker Characteristics

1.This series of VCB is used Integrated design for operating mechanism and VCB body with reasonable, beautiful and compact arrangement.

2.This series of VCB adapted vertical insulation house against Impact due to different weather, it can effectively prevent VIS against damage by exterior factors.

3.The two different installation unit of Fixed type and withdrawable type can meet the different requirements for different switchgear.

12KV Indoor Smart Panel Board Vacuum Circuit Breaker Specification

NO.	Item		Units	Parameters
1	Rated voltage		kV	12
2	Rated current		A	630~1250	1250	1250
3	Rated short-circuit breaking current		kA	20	25	31.5
4	Rated short-circuit closing current		kA	50	63	80
5	Rated peak withstand current		kA	50	63	80
6	4S rated short-circuit withstand current		kA	20	25	31.5
7	Rated	1min power frequency voltage	kV	42 (fracture 48)
	insulation level	Lightning Impulse Withstand voltage (peak)		75 (fracture 65)
8	Rated operating sequence			O－ 0.3S-CO-180S-CO
9	Mechanism life		Times	10000
10	Opening times of rated short-circuit breaking current		Times	50
11	Rated operator closing voltage(DC)		V	AC/DC 220,110
12	Rated operator opening voltage(DC)		V	AC/DC 220,110
13	Clearance between open contact		mm	11 ± 1
14	Over-travel( Contact spring compression degree)		mm	3.5 ± 0.5
15	Three phase points, closing bounce time		ms	≤2
16	Contact closing bounce time		ms	≤2
17	Average opening speed		m/s	1.1 ± 0.2
18	Average closing speed		m/s	0.6 ± 0.2
19	Opening	The highest operating voltage	s	≤0.05
	time	The lowest operating voltage		≤0.08
20	Closing time		s	0.1
21	Dynamic and static contact allowed to wear a cumulative thickness		mm	3