Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
GN24-12 Indoor HV Disconnect Switch 12kV 400A-1250A: Three-pole type, no-load breaking, pollution abatement type, high altitude type, electrified display, 2000 mechanical life, 20kA short-time withstand, 50kA peak withstand, porcelain insulator, 1000-3000m altitude, -30°C to +40°C.
Advanced GN24-12 Disconnect Switch Series: Indoor high voltage disconnect switch rated 12kV AC 50Hz suitable for power systems, used to break and make circuit under no-load conditions, available in additional pollution abatement type, high altitude type and electrified display configurations, three-pole type consisting of chassis, shaft, lever, porcelain pillar insulator, knife and terminal board with shaft placed on base frame and three pairs of levers welded on shaft, lever made of porcelain insulator and knife necklace with shaft protruding from base frame connectable to operating mechanism.
Wide Environmental Adaptability and Multiple Configuration Features: GN24-12 incorporates three-pole type design with rated current options 400A/630A/1000A/1250A, corresponding short-time withstand current 16-31.5kA and peak withstand current 40-80kA, operates reliably in altitude 1000-3000m, ambient temperature -30°C to +40°C, relative humidity monthly ≤90%/daily ≤95%, wind pressure ≤700Pa (34m/s), earthquake degree 8, environment degree III, 42kV frequency withstand voltage to ground/48kV fracture, 75kV impulse withstand to ground/85kV fracture, 300-380mm creepage distance, 2000 mechanical life, providing reliable no-load circuit breaking solution for 12kV power systems with pollution abatement, high altitude and electrified display capabilities.
| 400A 630A | 1000A | 1250A | |||||||||||
| A | B | C | D | A | B | C | D | A | B | C | D | Mounting Hole Dimensions
|
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| GN24-12D I | 890 | 660 | 450 | 125 | 890 | 690 | 480 | 125 | 890 | 700 | 500 | 125 | 700×300 |
| GN24-12D II | 890 | 660 | 450 | 125 | 890 | 690 | 480 | 125 | 890 | 700 | 500 | 125 | |
| GN24-12D I | 890 | 660 | 450 | 240 | 890 | 690 | 480 | 350 | 890 | 700 | 500 | 350 | |
| GN24-12D II C | 890 | 660 | 450 | 240 | 890 | 690 | 480 | 350 | 890 | 700 | 500 | 350 | |
| GN24-12D I | 920 | 780 | 450 | 125 | 920 | 790 | 480 | 125 | 920 | 790 | 500 | 125 | |
| GN24-12D II C | 920 | 780 | 450 | 240 | 920 | 790 | 480 | 350 | 920 | 790 | 500 | 350 | |
| GN24-12 Indoor HV Disconnect Switch Specifications | Parameter | Unit |
|---|---|---|
| Brand | Bepto Insulation Systems | – |
| Model Number | GN24-12 | – |
| Category | Switchgear & High Voltage Disconnector | – |
| Product Type | Indoor HV Disconnect Switch (12kV 630A Three-Pole Type) with Pollution Abatement, High Altitude and Electrified Display for No-Load Circuit Breaking | – |
| Core Technology | Rated Voltage 12kV AC 50Hz Power System + No-Load Circuit Breaking and Making + Pollution Abatement Type + High Altitude Type + Electrified Display + Three-Pole Type + Chassis + Shaft + Lever + Porcelain Pillar Insulator + Knife + Terminal Board + Shaft on Base Frame + Three Pairs of Levers Welded on Shaft + Porcelain Insulator and Knife Necklace + Shaft Protrudes from Base Frame + Operating Mechanism Connection + 2000 Mechanical Life | – |
| Rated Voltage | 12 | kV |
| Rated Current Options | 400A / 630A / 1000A / 1250A | A |
| Rated Frequency | 50 | Hz |
| Installation Type | Indoor | – |
| Current Type | AC (Alternating Current) | – |
| Power System | Yes (Rated Voltage 12kV, AC 50Hz Power System) | – |
| No-Load Circuit Breaking | Yes (Used to Break Circuit Under No-Load) | – |
| No-Load Circuit Making | Yes (Used to Make Circuit Under No-Load) | – |
| Pollution Abatement Type | Yes (Additional Pollution Abatement Type) | – |
| High Altitude Type | Yes (Additional High Altitude Type) | – |
| Electrified Display | Yes (Additional Electrified Display) | – |
| Three-Pole Type | Yes (Three-Pole Type) | – |
| Chassis | Yes (Consists of Chassis) | – |
| Shaft | Yes (Consists of Shaft) | – |
| Lever | Yes (Consists of Lever) | – |
| Porcelain Pillar Insulator | Yes (Consists of Porcelain Pillar Insulator) | – |
| Knife | Yes (Consists of Knife) | – |
| Terminal Board | Yes (Consists of Terminal Board) | – |
| Shaft on Base Frame | Yes (Shaft Placed on Base Frame) | – |
| Three Pairs of Levers Welded on Shaft | Yes (Three Pairs of Levers Welded on Shaft) | – |
| Porcelain Insulator and Knife Necklace | Yes (Lever Made of Porcelain Insulator and Knife Necklace) | – |
| Shaft Protrudes from Base Frame | Yes (Shaft Protrudes from Base Frame) | – |
| Operating Mechanism Connection | Yes (Any Part Can Be Connected to Operating Mechanism) | – |
| Project | Unit | Parameter |
|---|---|---|
| Rated Voltage | kV | 12 |
| 1 Min Power Frequency Withstand Voltage – To Ground | kV | 42 |
| 1 Min Power Frequency Withstand Voltage – Fracture | kV | 48 |
| Lightning Impulse Withstand Voltage (Peak) – To Ground | kV | 75 |
| Lightning Impulse Withstand Voltage (Peak) – Fracture | kV | 85 |
| Rated Frequency | Hz | 50 |
| Rated Current | A | 400 / 630 / 1000 / 1250 |
| Rated Short-Time Withstand Current | kA | 16 / 20 / 16 / 20 / 25 / 20 / 25 / 31.5 |
| Rated Peak Withstand Current | kA | 40 / 50 / 40 / 50 / 63 / 50 / 63 / 80 |
| Rated Short-Time Withstand Current Duration Main Knife/Ground Knife | s | 4/2 |
| Creepage Distance | mm | 300-380 |
| Mechanical Life | Times | 2000 |
| Working Environment | Parameter |
|---|---|
| Altitude | 1000m-3000m |
| Ambient Temperature | -30°C to +40°C |
| Relative Humidity of Air – Monthly | ≤90% |
| Relative Humidity of Air – Daily | ≤95% |
| Wind Pressure | ≤700Pa (Wind Speed 34m/s) |
| Amplitude | Earthquake Degree 8 |
| Environment Degree | Degree III |
| Prohibited Conditions | Cannot Be Used on Condition of Danger of Fire and Blast, Heavy Pollution, Chemical Etching, Strong Shake, etc. |
Bepto is a leading Chinese company in electrical insulation, focused on developing advanced solutions for future power systems. We support transmission and distribution safety and growth, with long-term partners including State Grid, ABB, Schneider, Siemens, and GE. Our services reach clients in over 22 countries.
Bepto focuses on the global market and provides our clients with products suitable for the local market:
Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
