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Your position: Home / Electrical components / Vacuum Switch

TF-40.5/630-20A load-breaking switch,Vacuum Interrupter For Load-breaking Switch,EECTECH vacuum interrupter

Vacuum Interrupters adopt“one shut technology” with ceramic envelope, which have the characteristics of high insulation level, low stop-flow, high capability of arc-extinguishing, long life, small size.
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Introduction:
1. This type of vacuum switch tube adopts one-time sealing and draining process, ceramic shell, and the contact is made of CuWC material. It has the characteristics of high insulation level, low interception value, strong arc extinguishing ability, long life, small size, simple maintenance, and no explosion hazard. , No pollution, low noise and other advantages.

2. The contactor assembled with it is used for the control and protection of the power transmission and distribution system of the electric power, machinery, chemical industry, metallurgy, mining and railway departments, especially suitable for places with frequent operations.

 
No. Main Technical Specification Type
TF-40.5/630-20A
ELECTRIC RATINGS
1 Rated Voltage kV 40.5
2 Rated Current A 630
3 Rated Frequency Hz 50/60
4 Rated Short-time(1min) Power-Frequency Withshand Voltage kV 95
5 Circuit Resistance At Lowest Rated Contact Force μΩ ≤40
6 Lightning Impulse Withstand Voltage kV 185
7 Rated Short-time Withstand Current,4s kA 20
8 Rated Peak Withstand Current kA 50
9 Rated Short-circuit Making Current kA 50
10 Rated Active Load Breaking Current A 630
11 Rated Closed-loop Breaking Current A 630
LIFE
1 Mechanical Life Times 10000
3 Storage Life years 20
4 Contacts Erosion Limit mm 3
MECHANICAL DATA
1 Contact Force From Atmosphere N 130±50
2 Counterforce of Contacts at Full Stroke N 210±50
MECHANICAL DATA OF VACUUM SWITH EQUIPPED WITH THE INTERRUPTERS
1 Contact Stroke mm 17±1
2 Overtrave mm 3±1
3 Average Opening Speed m/ s 1.6±0.2
4 Average closing speed m/ s 0.8±0.2
5 Contact Bouncing Duration at Cosing Operation ms ≤2
6 Rated Added External Contactfinal Force N 1000±100





Vacuum Interrupter For Load-breaking Switch OUTLINE:























For delivery time:
Please contact us for checking the delivery time before placing your order.

Generally, we will dispatch the items within 15 days upon order confirmation; some items may need 20~25 days to get ready for delivery, then we will try our best to dispatch as soon as possible, or we will contact you and offer advice.

 
For Bulk order:
If you would like to place a bulk order, please contact us for better price and better delivery cost.

 
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