Insulect Gas Insulated Load Break Switch
Gas insulated load break switch 12kV, 24kV, 36kV.
The fully enclosed, pole-mounted SF6 load break switch, from our brand partner Insulect, is used extensively throughout distribution networks and are designed to be maintenance-free with long service life.
12, 24, 36kV voltage rating: The switch can be supplied in 12, 24 & 36kV voltage ratings and up to 630A breaking current.
Safer, more reliable switching: Fully enclosed, SF6 insulation and interruption provides greater reliability.
Local or remote operation: Manually operated LBS can be fitted with a remotely controlled actuator.
Insulators and leads: Choose from porcelain or polymer bushings, with factory fitted cable leads or bare terminal palms.
Features include:
- Stainless steel enclosure
- Easy handling and light weight
- Open/close indicator
- Maintenance free
- Low gas lockout feature
- High dielectric strength
- Superior endurance to adverse environments Mechanical latch holding in close position
- Pole mounting provisions
- Pressure relief vent.
Parameter | Unit | 12kV | 24kV | 36kV | |||
Rated Voltage | kV | 12 | 12 | 24 | 24 | 36 | 36 |
Rated Frequency | Hz | 50/60 | 50/60 | 50/60 | 50/60 | 50/60 | 50/60 |
Rated Normal Current | A | 400 | 630 | 400 | 630 | 400 | 630 |
Rated Symmetrical Interrupting Current | A | 400 | 630 | 400 | 630 | 400 | 630 |
Rated Short-Time Withstand Current, 1 sec | kA (rms) | 16 | 16 | 16 | 16 | 16 | 16 |
Rated Short-Circuit Making Current | kA (peak) | 41.6 | 41.6 | 41.6 | 41.6 | 41.6 | 41.6 |
Rated Power Frequency Withstand Voltage, 1 min | kA (rms) | 70 | 70 | 70 | 70 | 70, 80 | 70, 80 |
Rated Impulse Withstand Voltage | kA (peak) | 165 | 165 | 165 | 165 | 170, 195 | 170, 195 |
Number of Operations: Mechanical, Electrical (rated normal current) | times | 5000 | 5000 | 5000 | 5000 | 5000 | 5000 |
Minimum Creepage Distance of Bushing or Supporting Insulator, from live part to ground | mm | min 600 | min 600 | min 600 | min 600 | min 900 | min 900 |
Other literature available on request
Reports, drawings, technical data sheets, installation instructions, O&M guidelines
