Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
GN27-40.5 Indoor HV Isolating Switch 40kV 630-1250A: Three-phase AC 50Hz, vertical rotating blade, CS6-2 manual/CX6 electric mechanism, 10-110kV power system, no-load circuit breaking, swing-type multi-contact, 20-31.5kA withstand, 50-80kA peak, 185kV/215kV impulse, 95kV/115kV frequency.
Advanced GN27 Isolating Switch Series: Three-phase AC 50Hz high-voltage switching device rated 40.5kV used in 10-110kV voltage power systems for voltage-free no-load circuit division and closing, isolating high-pressure busbar, circuit breaker electrical equipment under overhaul from charged high voltage electrical lines, equipped with CS6-2 manual operating mechanism or CX6 electric mechanism, vertical rotating blade type three-phase common chassis structure with swing-type multi-contact static contact on fracture side featuring small single-piece contact pressure, low wear, large heat dissipation area and small operating torque.
Large Creepage Insulator and Multiple Installation Features: GN27-40.5 incorporates large creepage pillar insulators and tie rod insulators providing high insulating properties and mechanical strength, available in flat-mounted type, wall-mounted type and grounding knife designs with horizontal, vertical or tilted installation capability, rated current 630A-1250A with corresponding short-time withstand current 20-31.5kA (4s) and peak withstand current 50-80kA, operates reliably in altitude ≤1000m, ambient temperature -25°C to +40°C, relative humidity daily average ≤95%/monthly average ≤90%, earthquake intensity ≤8°, 185kV/215kV lightning impulse withstand voltage phase-to-phase/earth and across open contacts, 95kV/115kV frequency withstand voltage, providing reliable isolation solution for 10-110kV power systems with scientific design, large current capacity and easy maintenance.
| GN27-40.5 Indoor HV Isolating Switch Specifications | Parameter | Unit |
|---|---|---|
| Brand | Bepto Insulation Systems | – |
| Model Number | GN27-40.5 / GN2-40.5 | – |
| Category | Switchgear & High Voltage Disconnector | – |
| Product Type | Indoor HV Isolating Switch (40kV 630-1250A Vertical Rotating Blade) with CS6-2 Manual/CX6 Electric Mechanism for 10-110kV Power System No-Load Circuit Isolation | – |
| Core Technology | Three-Phase AC 50Hz High-Voltage Switching Device + 10-110kV Voltage Power System + Voltage-Free No-Load Circuit Division and Closing + High-Pressure Busbar/Circuit Breaker Electrical Equipment Isolation + CS6-2 Manual Operating Mechanism + CX6 Electric Mechanism + Vertical Rotating Blade Type Three-Phase Common Chassis Structure + Swing-Type Multi-Contact Static Contact + Small Single-Piece Contact Pressure + Low Wear + Large Heat Dissipation Area + Small Operating Torque + Large Creepage Pillar Insulators + Tie Rod Insulators + High Insulating Properties + High Mechanical Strength + Flat-Mounted/Wall-Mounted/Grounding Knife Designs + Horizontal/Vertical/Tilted Installation | – |
| Rated Voltage | 40.5 | kV |
| Voltage Range Application | 10-110kV | kV |
| Rated Current Options | 630A / 1250A | A |
| Rated Frequency | 50 | Hz |
| Installation Type | Indoor | – |
| Phases | Three-Phase | – |
| Current Type | AC (Alternating Current) | – |
| 10-110kV Power System | Yes (Used in 10-110kV Voltage Power Systems) | – |
| Voltage-Free No-Load Circuit | Yes (Voltage-Free No-Load Condition for Circuit Division and Closing) | – |
| High-Pressure Busbar Isolation | Yes (Isolating High-Pressure Busbar Under Overhaul) | – |
| Circuit Breaker Equipment Isolation | Yes (Isolating Circuit Breaker Electrical Equipment) | – |
| Charged HV Electrical Lines Isolation | Yes (Isolation from Charged High Voltage Electrical Lines) | – |
| CS6-2 Manual Operating Mechanism | Yes (Equipped with CS6-2 Manual Operating Mechanism) | – |
| CX6 Electric Mechanism | Yes (Equipped with CX6 Electric Mechanism) | – |
| Vertical Rotating Blade Type | Yes (Vertical Rotating Blade Type) | – |
| Three-Phase Common Chassis Structure | Yes (Three-Phase Common Chassis Structure) | – |
| Swing-Type Multi-Contact Static Contact | Yes (Static Contact on Fracture Side Designed as Swing-Type Multi-Contact) | – |
| Small Single-Piece Contact Pressure | Yes (Small Single-Piece Contact Pressure) | – |
| Low Wear | Yes (Low Wear) | – |
| Large Heat Dissipation Area | Yes (Large Heat Dissipation Area) | – |
| Small Operating Torque | Yes (Small Operating Torque) | – |
| Large Creepage Pillar Insulators | Yes (Large Creepage Pillar Insulators) | – |
| Tie Rod Insulators | Yes (Tie Rod Insulators) | – |
| High Insulating Properties | Yes (High Insulating Properties) | – |
| High Mechanical Strength | Yes (High Mechanical Strength) | – |
| Flat-Mounted Type | Yes (Flat-Mounted Type Design) | – |
| Wall-Mounted Type | Yes (Wall-Mounted Type Design) | – |
| Grounding Knife | Yes (Grounding Knife Design) | – |
| Horizontal Installation | Yes (Can Be Installed Horizontally) | – |
| Vertical Installation | Yes (Can Be Installed Vertically) | – |
| Tilted Installation | Yes (Can Be Installed Tilted) | – |
| Model | Rated Voltage | Rated Current | Rated Short-Time Withstand Current | Rated Peak Withstand Current | Lightning Impulse Withstand Voltage | 1min PF Withstand Voltage |
|---|---|---|---|---|---|---|
| Phase-to-Phase/Earth | Across Open Contacts | |||||
| GN27-40.5/630-20 | 40.5kV | 630A | 20kA (4s) | 50kA | 185kV | 215kV |
| GN27-40.5/1250-31.5 | 40.5kV | 1250A | 31.5kA (4s) | 80kA | 185kV | 215kV |
| Ambient Condition | Parameter |
|---|---|
| Altitude | ≤1000m |
| Ambient Temperature | -25°C to +40°C |
| Relative Humidity – Daily Average | ≤95% |
| Relative Humidity – Monthly Average | ≤90% |
| Earthquake Intensity | ≤8 Degree |
| Applicable Occasions | Free from Inflammables, Explosives, Corrosives and Severe Vibration |
| Product Feature | Description |
|---|---|
| Scientific and Reliable Design | Scientific and Reliable Design |
| Large Current Capacity | Large Current Capacity |
| Easy Maintenance and Operation | Easy Maintenance and Operation |
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.
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Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
