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 | ||
