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Description
PLB-12/24 SF6 load break switch is a HV electrical equipment of high reliability and maintenance-free, with rated voltage 12kV/24kV and rated frequency 50Hz, applicable for 10kV distribution line as load regulation & control as well as distribution automation system. There are two types for the product: manual and motor-driven type.
Technical Parameter
| Item | Unit | Data | |||
| 12kV | 24kV | ||||
| Rated Current | A | 630 | 630 | ||
| Rated Voltage | kV | 12 | 24 | ||
| Rated Insulation Level | 1 min Power FrequencyWithstandVoltage | Dry) | 42/49 | 50/65 | |
| Wet | 34 | 55 | |||
| Lightning Impulse Withstand Voltage (Peak) | 75/85 | 125/145 | |||
| Rated Frequency | Hz | 50 | 63 | ||
| Rated Short-circuit Closing Current (Peak) | kA | 50 | 63 | ||
| Rated Short-time Withstand Voltage (4s) | 20 | 25 | |||
| Rated Peak Withstand Current | 50 | 63 | |||
| Rated Operating Voltage (Controller) | V | AC220 | AC220 | ||
| Auxiliary Circuit Rated Voltage | DC24 | DC24 | |||
| Mechanical Life | times | 3000 | 5000 | ||
| SF6 Rated Air Pressure (20°C) | MPa | ≤0.71 | ≤0.71 | ||
| SF6 Rated Annual Leak Rate | % | ≤0.5 | |||
| Operation Mode | Spring Operation (Manual/Electric) | ||||
