11kV Vacuum Circuit Breaker

$3,377.85

Cheap 11kv vacuum circuit breaker for sale online. The rated current is 630A, 1000A, 1250A, 2500A for your choice. 11kv vcb for indoor, it is applicable in occasions with frequent operations, acting to protect and control line and electric apparatus.

SKU: ATO-VCB-11

Qty:

Delivery date: 6-12 days

Overview

11kv 630a vacuum circuit breaker for sale online. 11 kv vacuum circuit breaker mechanical life about 20000 times, rated short circuit breaking current is 20kA, 31kA, 40kA, 50kA.

Features:

11kv vcb breaker with ideal contact material and shape, ensuring low current carrying value and stable contact resistance.
Integrated design of main conductive circuit made of compound isolation material and operating mechanism.
11kv 630A vcb with few components and parts, compact and logical structure, assuring more reliable and safer operation.
Compact design enables the breaker to be installed within almost all switchgears.
11kv circuit breaker price is affordable, superior cost performance, ideal choice for engineering programs.

Parameter List: (Parameters can be customized)

Model	ATO-VCB-11
Rated voltage	11 kV
Maximum operating voltage	12 kV
Rated current	630 A, 1000 A, 1250 A, 1600 A, 2000 A, 3150 A
Rated short circuit breaking current	20/25 kA, 31 kA, 40 kA, 50 kA
Rated short circuit switching current	50/63 kA, 80 kA, 100 kA, 125 kA
Rated peak withstand current	50/63 kA, 80 kA, 100 kA, 125 kA
4S Rated short-time withstand current	20 kA, 31 kA, 40 kA, 50 kA
Rated insulation level	power frequency withstand voltage（rated open circuit before and later）: 42 kV
Rated insulation level	impulse withstand voltage（rated open circuit before and later）: 75 kV
Mechanical life	20000 times
Rated closing voltage of operating mechanism (DC)	110 V, 220 V
Rated switching voltage of operating mechanism (DC)	110 V, 220 V
Contactor torque	11±1
Exceed range(the compress length of contact spring)	4±0.5
Max.bouncing duration	≤ 2
Average opening speed	≤ 0.05
Average closing speed	≤ 0.08
Opening time	≤ 50
Closing time	≤ 100
Accumulative allowable wear thickness of dynamic and static contacts	3 mm
Weight	96 kg
Certification	CE
Warranty	12 months

Dimensions: (Unit: mm) Vacuum circuit breaker inside construction Vacuum circuit breaker external construction Schematic Diagram: Vacuum circuit breaker schematic diagram Tips: What is Vacuum Ciucuit Breaker?

"Vacuum circuit breaker" is named because its arc extinguishing medium and the insulation medium of contact clearance after arc extinguishing are high vacuum. It has the advantages of small volume, light weight, suitable for frequent operation, arc extinguishing without maintenance, and is widely used in distribution networks. Vacuum circuit breaker is an indoor power distribution device in 3-10kV, 50Hz three-phase AC system, which can be used for the protection and control of electrical equipment in industrial and mining enterprises, power plants and substations. It is especially suitable for places requiring no oil, less maintenance and frequent operation. Circuit breakers can be configured in central cabinets, double cabinets and fixed cabinets for control and protection of high voltage electrical equipment.

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