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.
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.
