Product Description

This type of vacuum switch adopts primary sealing and discharging process, ceramic insulating shell and CuCr alloy contact material, which has the advantages of high insulation level, low current cutoff value, strong arc extinguishing ability, long service life, small volume, safety, no pollution, low noise and simple maintenance. Matched with corresponding vacuum contactors, it is widely used as electrical equipment for control and protection of power transmission and distribution systems in electric power, machinery, chemical industry, metallurgy, mining and railway departments.

Price Terms︰ FOB Wuxi

Specifications︰ Parameter name Company parameter
Rated operating voltage kV one point one four
Rated operating current A four hundred
Rated short-circuit breaking capacity Ka/ time 8/16
Rated short-time withstand current kA eight
Rated short circuit duration s four
Rated current breaking times second three thousand
Mechanical life second ten thousand
Power frequency withstand voltage kV ten
Rated opening distance of contact mm 2.8±0.2
Maximum contact opening distance mm four point five
Contact self closing force N 65±20
Contact resistance under contact closing force μ Ω ≤100
Reaction force at rated contact opening distance N 105±20
Maximum mass of switch tube kg one point seven
Storage period year ten
Allowable wear thickness of contact mm one
Mechanical parameters of supporting vacuum switch
Parameter name Company parameter
Rated opening distance of contact mm 2.8±0.2
Contact stroke of contact mm 1.5±0.2
Average opening speed m/s 0.8～1.0
Average closing speed m/s 0.5 ～ 0.7
Minimum working tightening pressure of contact N two hundred
Contact closing bounce time ms ≤1.5
Three phase synchronism ms ≤1

Advantages︰ This type of vacuum switch adopts primary sealing and discharging process, ceramic insulating shell and CuCr alloy contact material, which has the advantages of high insulation level, low current cutoff value, strong arc extinguishing ability, long service life, small volume, safety, no pollution, low noise and simple maintenance. Matched with corresponding vacuum contactors, it is widely used as electrical equipment for control and protection of power transmission and distribution systems in electric power, machinery, chemical industry, metallurgy, mining and railway departments.

Export Markets︰ Electrical equipment used for control and protection of power transmission and distribution systems in electric power, machinery, chemical industry, metallurgy, mining and railway departments

Payment Details︰ Delivery upon payment

Min Order︰ 10

Ship Date︰ two weeks later

Product Image