126kv Sf6 Live Tank Disconnector Switch Hv Circuit Breaker
126kv Sf6 Live Tank Disconnector Switch Hv Circuit Breaker image
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Product Details
Product Description
LW36-126 outdoor high pressure SF6 circuit breaker is a three phase AC 50Hz
outdoor high voltage switchgear, suitable for the control and protection of 126kV
transmission and transformation sysytem. It can be also used ad a contact breaker and opener group.
Main Technical Parameters
| No. | Item | Unit | Specification |
| 1 | Rated Voltage | kV | 126 |
| 2 | Frequency | Hz | 50/60 |
| 3 | Rated Current | A | 3150 |
| 4 |
Rated short time withstand current and time |
KA | 40 4S |
| 5 |
Rated short circuit making current |
KA | 100 |
| 6 | First pole to clear factor | – | 1.5 |
| 7 |
Operating sequence |
– | 0-0.3 sec-CO-3 min-CO |
| 8 |
Rated filling pressure for operation and interruption |
0.5Mpa |
Control loop and auxiliary loop parameters
| No. | Item | Unit | Specification | ||
| 1 | Split and close loop control voltage | V | DC220 | DC110 | |
| 2 | Opening coil current | A | <2.3 | 5.5 | |
| 3 | Closed coil current | A | 2 | 3.5 | |
| 4 | Energy storage motor | Power voltage | V | DC220(110)/AC220 | |
| Normal operating voltage range | – | 65%-110% | |||
| power | W | 450 | |||
| Storage time of motor | S | ≤15 | |||
| Rotate speed | R.P.M | 750 | |||
| current | A | 3.6 | 5.5 | ||
| 5 | The heater has a lightning loop voltage | V | AC220 | ||
| 6 | Heater power | W | 100 | ||
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