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Your position: Home / Electrical components / Vacuum contactor

TJ-3.6/320A vacuum interrupters for AC contactors,EECTECH vacuum interrupters

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
TJ-3.6/320A
ELECTRIC RATINGS
1 Rated Voltage kV 3.6
2 Rated Current A 320
3 Rated Frequency Hz 50/60
4 Rated Short-time(1min) Power-Frequency Withshand Voltage kV 12
5 Circuit Resistance At Contact Force From Atmosphere μΩ ≤100
6 Lightning Impulse Withstand Voltage kV 45
7 Rated Making Capacity kA/100Times 3.2
8 Rated Breaking Capacity kA/25Times 2.56
9 Limited Breaking Capacity kA/3Times 4.5
10 Rated Short-time Withstand Current,10s kA 3.2
11 Rated Peak Withstand Current kA 8
LIFE
1 Mechanical Life Times 3000,000
2 Electrical Life Times 500,000
3 Storage Life years ≥20
4 Contacts Erosion Limit mm 1
MECHANICAL DATA
1 Contact Force From Atmosphere N 40±10
2 Counterforce of Contacts at Full Stroke N 55±10
MECHANICAL DATA OF VACUUM SWITH EQUIPPED WITH THE INTERRUPTERS
1 Contact Stroke mm 2±0.2
2 Overtrave mm 1
3 Average Opening Speed m/ s 0.5~0.7
4 Average closing speed m/ s 0.1~0.25
5 Contact Bouncing Duration at Cosing Operation ms ≤2
6 Rated Added External Contactfinal Force N 60





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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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