25kV Vacuum Circuit Breaker

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$3,702.41

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Stock: In Stock
Model: RDDLZ-VCB-25
Weight: 1.00
SKU: RDDLZ-VCB-25

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Rated Current and Rated Short Circuit Breaking Current

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High voltage vacuum circuit breaker with 25kV rated voltage. Rated short circuit switching current is 50kA, 80kA, 100kA. Advantages of vcb breaker are reliable insulation, no pollution and long time free maintenance.

Features:

Ideal contact material and shape, ensuring low current carrying value and stable contact resistance.
Vacuum circuit breaker with with integrated design of main conductive circuit made of compound isolation material and operating mechanism.
VCB circuit breaker 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.
Superior cost performance, ideal choice for engineering programs.

Parameter List: (Parameters can be customized)

Model	RDDLZ-VCB-25
Rated voltage	25 kV
Maximum operating voltage	25 kV
Rated current	630A/1000A/1250A	1250A/1600A/2000A/2500A	1250A/1600A/2000A/3150A	2000A/2500A/3150A
Rated short circuit breaking current	20kA/25kA	31.5kA	40kA	50kA
Rated short circuit closing current	50kA/63kA	80kA	100kA	125kA
Rated peak withstand current	50kA/63kA	80kA	100kA	125kA
4S Rated short-time withstand current	20kA/25kA	31.5kA	40kA	50kA
Rated insulation level	power frequency withstand voltage（rated open circuit before and later）: 42 kV
	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
Certification	CE
Warranty	12 months

Dimensions: (Unit: mm)

Schematic Diagram:

Details

Tips: How to Maintenance Vacuum Circuit Breaker?

Insulation.

This is one of the simplest maintenance techniques. Insulation maintenance applies to the cleaning of all the insulation surfaces. Any soft cloth, such as dry lint-free cloth or dry paper towel can be used to wipe the dust off from the insulation surfaces to ensure it smooth operation.

If wiping is unable to remove dust well, distilled water or a mild solvent can be used to remove. Once wiped, make sure that all the surfaces have completely dried up before placing the circuit breaker into use.

Lubrication.

Proper lubrication is required periodically to ensure the overall smooth and correct operation of all the components of a vacuum circuit breaker and VCB maintenance. The gap between relubrication depends on the frequency of the circuit breaker used.

For lubrication, a drop of light machine oil can be used. After lubrication, the circuit breaker needs to be operated several times manually and electrically so that the oil is absorbed into the parts.

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