Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
GN30-12 Indoor Rotary Grounding Disconnector 12kV 400-3150A: Three-phase AC 50/60Hz, rotary moving contact, cabinet mounted, wall through installation, IEC62271-102 compliant, no-load transfer, 12.5-40kA withstand, 31.5-100kA peak, 42kV/49kV frequency withstand, 75kV/85kV impulse.
Advanced GN30-12 Rotary Disconnector Series: Indoor electric apparatus rated 12kV three-phase AC 50/60Hz used to make break and transfer current for HV electric apparatus under voltage and no-load situations, applies rotary moving contact mounted on switchgear easily with wall through installation capability, made per IEC62271-102 standard, new type touch rotating knife isolating switch with main structure featuring three-phase chassis upper and lower two planes with fixed two sets of insulator and contact realized by rotating contactor for switching.
Wide Current Range and IEC Compliance Features: GN30-12 incorporates rated current range 400A-3150A with corresponding short-time withstand current 12.5-40kA and peak withstand current 31.5-100kA, rated short-circuit duration 4s, operates reliably in altitude ≤1000m, ambient temperature -25°C to +40°C, relative humidity daily average ≤95%/monthly average ≤90%, seismic intensity ≤8°, rated insulating level 42kV phase-to-phase/earth and 49kV across open contacts for frequency withstand, 75kV phase-to-phase/earth and 85kV across open contacts for impulse withstand, providing reliable rotary grounding disconnector solution for 12kV cabinet mounted applications with IEC62271-102 compliance and no-load transfer capability.
| GN30-12 | GN30-12D | |||||||||||||
| 400A 630A | 1000A | 1250A | 400A 630A | 1000A | 1250A | |||||||||
| A | C | A | C | A | C | A | B | C | A | B | C | A | B | C |
| 560 | 315 | 580 | 332 | 580 | 295 | 550 | 610 | 240 | 575 | 615 | 245 | 580 | 600 | 295 |
| GN30-12 Indoor Rotary Grounding Disconnector Specifications | Parameter | Unit |
|---|---|---|
| Brand | Bepto Insulation Systems | – |
| Model Number | GN30-12 / GN30-12D | – |
| Category | Switchgear & High Voltage Disconnector | – |
| Product Type | Indoor Rotary Grounding Disconnector (12kV 400-3150A Three-Phase Cabinet Mounted) with IEC62271-102 Compliance for No-Load Transfer Switching in HV Switchgear | – |
| Core Technology | Rated Voltage 12kV Three-Phase AC 50/60Hz + HV Electric Apparatus Break and Transfer Current + Voltage and No-Load Situations + Rotary Moving Contact + Cabinet Mounted Switchgear + Wall Through Installation + IEC62271-102 Standard Compliance + New Type Touch Rotating Knife + Three-Phase Chassis Upper and Lower Two Planes + Fixed Two Sets of Insulator and Contact + Rotating Contactor Switching + Wide Current Range 400-3150A + 4s Short-Circuit Duration | – |
| Rated Voltage | 12 | kV |
| Rated Current Range | 400A / 630A / 1000A / 1250A / 1600-3150A | A |
| Rated Frequency | 50/60 | Hz |
| Installation Type | Indoor | – |
| Phases | Three-Phase | – |
| Current Type | AC (Alternating Current) | – |
| HV Electric Apparatus | Yes (Used to Make Break and Transfer Current for HV Electric Apparatus) | – |
| Voltage and No-Load Situations | Yes (Under Voltage and No-Load Situations) | – |
| Rotary Moving Contact | Yes (Applies Rotary Moving Contact) | – |
| Cabinet Mounted Switchgear | Yes (Mounted on Switchgear Easily) | – |
| Wall Through Installation | Yes (Adopts Wall Through Installation) | – |
| IEC62271-102 Compliance | Yes (Made as Per IEC62271-102 Standard) | – |
| New Type Touch Rotating Knife | Yes (New Type Touch Rotating Knife Type Isolating Switch) | – |
| Three-Phase Chassis | Yes (Main Structure in Three-Phase Chassis) | – |
| Upper and Lower Two Planes | Yes (Upper and Lower Two Planes) | – |
| Fixed Two Sets of Insulator and Contact | Yes (Fixed Two Sets of Insulator and Contact) | – |
| Rotating Contactor Switching | Yes (Realized by Rotating Contactor for Switching) | – |
| Model Number | Rated Voltage | Rated Current | Rated Short-Time Withstand Current | Rated Peak Withstand Current |
|---|---|---|---|---|
| GN30-12/400-12.5 | 12kV | 400A | 12.5kA | 31.5kA |
| GN30-12/630-20 | 12kV | 630A | 20kA | 50kA |
| GN30-12/1000-31.5 | 12kV | 1000A | 31.5kA | 80kA |
| GN30-12/1250-31.5 | 12kV | 1250A | 31.5kA | 80kA |
| GN30-12/(1600-3150)-40 | 12kV | 1600-3150A | 40kA | 100kA |
| GN30-12D/400-12.5 | 12kV | 400A | 12.5kA | 31.5kA |
| GN30-12D/630-20 | 12kV | 630A | 20kA | 50kA |
| GN30-12D/1000-31.5 | 12kV | 1000A | 31.5kA | 80kA |
| GN30-12D/1250-31.5 | 12kV | 1250A | 31.5kA | 80kA |
| GN30-12D/(1600-3150)-40 | 12kV | 1600-3150A | 40kA | 100kA |
| Item | Parameter | Unit |
|---|---|---|
| Rated Voltage | 12 | kV |
| Rated Current | 400 / 630 / 1000 / 1250 / 1600-3150 | A |
| Rated Short-Time Withstand Current | 12.5 / 20 / 31.5 / 40 | kA |
| Rated Short-Circuit Duration | 4 | s |
| Rated Peak Withstand Current | 31.5 / 50 / 80 / 100 | kA |
| Rated Insulating Level – Rated 1min PF Withstand Voltage | Phase to Phase/To Earth: 42kV, Across Open Contacts: 49kV | kV |
| Rated Insulating Level – Lightning Impulse Withstand Voltage | Phase to Phase/To Earth: 75kV, Across Open Contacts: 85kV | kV |
| Use Environmental Conditions | Parameter |
|---|---|
| Altitude | ≤1000m |
| Ambient Air Temperature | -25°C to +40°C |
| Air Relative Humidity – Daily Average | ≤95% |
| Air Relative Humidity – Monthly Average | ≤90% |
| Amplitude | Seismic Intensity ≤8 Degrees |
| Installation Place | No Fire, Explosion, Chemical Corrosion and Sharp Shakes |
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.
