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China wholesale SF6 circuit breaker with external CT/PT Manufacturers - 35kV high voltage SF6 circuit breaker – L&R
China wholesale SF6 circuit breaker with external CT/PT Manufacturers - 35kV high voltage SF6 circuit breaker – L&R Detail:
SF6 CIRCUIT BREAKER
TECHNICAL PARAMETER
Parameter
Technical drawings
Parameter
| Parameter name | Unit | Parameter value | |||
| Rated voltage | kv | 40.5 | |||
| Rated frequency | Hz | 50/60 | |||
| Rated current | A | 1000/1250/1600 | |||
| 2000/2500/3150/4000 | |||||
| Rated short-circuit breaking current | kA | 25 | 31.5 | 40 | |
| Rated short-circuit switching current (peak) | kA | 60 | 80 | 100 | |
| Rated short-circuit withstand current (thermal stability current) | kA | 25 | 31.5 | 40 | |
| Rated peak withstand current (thermal stability current) | kA | 63 | 80 | 100 | |
| Rated out of step breaking current | kA | 6.3 | 8.0 | 10.0 | |
| Cumulative breaking times under rated short-circuit breaking current | N | 30 | |||
| Rated short circuit duration | S | 4 | |||
| Rated lightning impulse withstand voltage | Relatively | kV | 185 | ||
| Between fractures | kV | 215 | |||
| Rated 1min power frequency withstand voltage | Relatively | kV | 95 | ||
| Between fractures | kV | 118 | |||
| Rated operating sequence | O-0.3s-CO-180-CO | ||||
| Closing time | MS | ≤100 | |||
| Opening time | ≤50 | ||||
| Breaking time | ≤50 | ||||
| Closing and opening time | ≤60 | ||||
| Closing synchronization | ≤3 | ||||
| Opening synchronization | ≤2 | ||||
| Voltage of opening coil and opening coil | V | DC: 220/110 | |||
| Energy storage motor voltage | V | AC: 220/110 | |||
| DC: 220/110 | |||||
| Single circuit resistance | µΩ | ≤70 | |||
| Rated SF6 other pressure | MPa | 0.45 | |||
| Annual leakage of SF6 gas | ≤5% | ||||
| Moisture content of SF6 gas | ppm(v/v) | ≤150 | |||
| Radio interference level | µV | ≤2500 | |||
| Mechanical life | N | 10000 | |||
Technical drawings
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To become the stage of realizing dreams of our employees! To build a happier, more united and extra professional workforce! To reach a mutual advantage of our prospects, suppliers, the society and ourselves for China wholesale SF6 circuit breaker with external CT/PT Manufacturers - 35kV high voltage SF6 circuit breaker – L&R , The product will supply to all over the world, such as: Stuttgart, Uruguay, Saudi Arabia, Our domestic website's generated over 50, 000 purchasing orders every year and quite successful for internet shopping in Japan. We would be happy to have an opportunity to do business with your company. Looking forward to receiving your message !
By Diego from Senegal - 2018.04.25 16:46
This manufacturer can keep improving and perfecting products and service, it is in line with the rules of market competition, a competitive company.
By Hilary from Ukraine - 2018.06.12 16:22
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