Liyond 10kv 12kv Medium Voltage Indoor Vacuum Circuit Breaker

Liyond 10kv 12kv Medium Voltage Indoor Vacuum Circuit Breaker image

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Basic Info.

Model NO.

VS1-12

Poles Number

Type

Circuit Breaker

Function

Circuit-Breaker Failure Protection, Overcurrent Protection, OVP(Overvoltage Protection)

Certification

ISO9001-2000

Rated Voltage

12kv

Rated Current

630A

Application

Indoor Switchgear

Spring Operating Mechanism

Vs1 Type

Arc-Extinguishing

Vacuum

Transport Package

Standard Export Packaging

Trademark

Liyond

Origin

China

Production Capacity

10000 Set/Month

Product Description

“Vacuum circuit breaker” is named after its interrupting medium and the insulation medium of the contact gap after interrupting is high vacuum; it has the advantages of small size, light weight, suitable for frequent operation and interrupting without maintenance, and is more popularly used in the distribution network. The vacuum circuit breaker is an indoor power distribution device in 3~10kV, 50Hz three-phase AC system, which can be used for protection and control of electrical equipment in industrial and mining enterprises, power plants and substations, and is especially suitable for use in places requiring oil-free, less maintenance and frequent operation, and the circuit breaker can be configured in middle cabinets, double cabinets and fixed cabinets for control and protection of high-voltage electrical equipment.

Model VS1 series of circuit breakers assembly are mainly used in the rated voltage12-24kv, the rated short circuit breaking current 20 and 50KA, and the rated current 630-5000A for the power distribution users.

The mechanical endurance is 20000 operating and 50 operating full capacity breaking ability at small current. It is suitable for the application with frequent operation and it features free of maintenance and few service.It could be used with Model KYN28A(GZS1) metal-enclosed switchgear and other fixed cabinet or handcart cabinet.

Technical parameters :

Parameters	Units	Technical parameters
Control circuit operating voltage	V	AC,DC220/110
Closing and opening electrical magnet power	W	370
Charged motor power	W	70(40kA is100)
Closing and opening electrical magnet current	A	1.1(220v)/3.3(110v)
Over current release working current	A	2.5,3.5,5( ± 10%)
Charged time	s	≤ 15
Closing time	ms	35-70
Opening time	ms	20-50
Auxiliary switch contact logarithm		8K8B(maximum 12K12B)
Mechanism travel	mm	12KV-15/24KV-16.5

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