Model NO.: TD
Trademark: HEMG
Origin: China
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| MAIN TECHNICA DATA | |||
|
Rated voltage |
12KV |
(1min) Short-time(1min) power-frequency withstand voltage |
42KV |
|
Rated current |
1600/1250A |
() Lighting impulse withstand voltage(peak) |
75KV |
|
Rated frequency |
50HZ |
Circuit resistance at rated contact force |
≤15μΩ |
|
Rated short-circuit breaking current |
25KA |
Mechanical life |
20,000 |
|
Operations of short-circuit breaking current interruption |
50 |
Contact closing force due to bellows and atmosphere |
100±30N |
|
Rated short-circuit making current |
63KA |
Counterforce at rated contact stroke |
200±30N |
|
Rated peak withstand current |
63KA |
Contact limit erosion |
3mm |
|
(4) Rated short-time withstand current(4s) |
25KA |
Shelf life |
20 |
|
Rated single capacitor bank breaking current |
630A |
/ Weight/mass of moving parts |
3Kg/1.1Kg |
|
Rated back-to-back capacitor breaking current |
400A |
Rated operating sequence |
O-0.3s-CO-180s-CO |
| MECHANICAL DATA OF CIRCUIT-BREAKING EQUIPPED WITH THE INTERRUPTERS | |||
|
Rated contact stroke |
9±1mm |
Rated operation pressure of contact |
2400±200N |
|
Contact connection stroke |
4±1mm |
Bounce duration of contact closing |
≤2ms |
|
Average opening speed |
1.1±0.2m/s |
Out of simultaneity of contact closing and opening |
≤1ms |
|
Average closing speed |
0.6±0.2m/s |
Max. overtravel |
≤2mm |
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