Unwavering in our dedication to customers and delivering cutting-edge innovations,Bepto stands as your steadfast ally on the journey ahead.
JN17-12/40 Indoor HV AC Earthing Switch 12kV 40kA: MV switchgear ground knife, 100kA making current, 42kV power frequency, 75kV lightning impulse, manual/motorized type, resin insulator, silver-plated copper 99.9%, 4s withstand time, 2000 times life, CE certified, GB1985 IEC129 compliant.
Advanced JN17-12/40 Indoor AC High Voltage Earthing Switch: Advanced level product with high-tech parameters performance conforming to GB1985 and IEC129 standards, applies to power system 3-12kV and three-phase AC 50Hz, owns short-circuit making capacity to protect other electric equipment from damage, rated voltage 12kV with rated short-time withstand current 40kA for 4 seconds, rated short-circuit making current 100kA with rated peak withstand current 100kA, rated insulation level with power frequency withstand voltage 42kV (phase to earth/phase to phase, 1 min) and lightning impulse withstand voltage 75kV, mechanical endurance 2000 times, CE certified.
Superior Resin Insulator and Manual/Motorized Operation: JN17-12/40 uses resin insulators with live parts made of silver-plated electrolytic copper (99.9%), blades directly connected to drive shaft, contact elements overdimensioned with high contact pressure ensuring reduced ohmic resistance and minimum metal wear-off with robustness to withstand thermal and mechanical stresses under short-circuit conditions, available in manual or motorized type for flexible operation, ambient temperature -12°C to +40°C (heavy cold zone -25°C allowed), altitude ≤1000m, relative humidity daily average ≤95% monthly average ≤80%, installation site free from conductive dust, corrosive gases, severe vibration, combustion and explosion, can be used with various high voltage switchgear playing protective role in high-voltage electrical equipment overhaul.
| JN17-12/40 Indoor high voltage AC electrical earth switch | |||||
| Specification | E | F | G | H | D |
| JN17-12/40-210 | 210 | 50 | 185 | 655 | 516 |
| JN17-12/40-220 | 220 | 50 | 185 | 675 | 536 |
| JN17-12/40-230 | 230 | 50 | 185 | 695 | 556 |
| JN17-12/40-250 | 250 | 50 | 185 | 735 | 596 |
| JN17-12/40-275 | 275 | 50 | 210 | 810 | 646 |
| JN17-12/40 Indoor HV AC Earthing Switch Specifications | Parameter | Unit |
|---|---|---|
| Brand | Bepto Insulation Systems | – |
| Model Number | JN17-12/40 | – |
| Category | Switchgear & High Voltage Earthing Switch | – |
| Product Type | Indoor HV AC Earthing Switch (12kV 40kA) for MV Switchgear Ground Knife with 100kA Making Current, 42kV Power Frequency, 75kV Lightning Impulse, Manual/Motorized Type | – |
| Core Technology | Advanced Level Product with High-Tech Parameters Performance + GB1985 and IEC129 Standards Compliant + 3-12kV Power System Application + Three-Phase AC 50Hz + Short-Circuit Making Capacity to Protect Electric Equipment + Rated Voltage 12kV + Rated Short-Time Withstand Current 40kA + Rated Short-Circuit Duration 4 Seconds + Rated Short-Circuit Making Current 100kA + Rated Peak Withstand Current 100kA + Power Frequency Withstand Voltage 42kV (Phase to Earth/Phase to Phase, 1 Min) + Lightning Impulse Withstand Voltage 75kV + Mechanical Endurance 2000 Times + CE Certification + Resin Insulators + Silver-Plated Electrolytic Copper (99.9%) Live Parts + Blades Directly Connected to Drive Shaft + Overdimensioned Contact Elements + High Contact Pressure + Reduced Ohmic Resistance + Minimum Metal Wear-Off + Robustness to Withstand Thermal and Mechanical Stresses Under Short-Circuit Conditions + Manual/Motorized Type + MV Switchgear Ground Knife Application + Various High Voltage Switchgear Compatibility + Equipment Overhaul Protection | – |
| Certification | CE | – |
| Place of Origin | Zhejiang, China | – |
| Rated Voltage | 12 | kV |
| Max. Voltage | 12 | kV |
| Rated Current | 40 | kA |
| Max. Current | 40 | kA |
| Rated Short-Time Withstand Current | 40 | kA |
| Rated Short-Circuit Duration | 4 | s |
| Rated Short-Circuit Making Current | 100 | kA |
| Rated Peak Withstand Current | 100 | kA |
| Power Frequency Withstand Voltage (1 Min) – Phase to Earth | 42 | kV |
| Power Frequency Withstand Voltage (1 Min) – Phase to Phase | 42 | kV |
| Lightning Impulse Withstand Voltage | 75 | kV |
| Mechanical Life | 2000 | Times |
| Type | Manual/Motorized | – |
| Installation Type | Indoor | – |
| Current Type | AC (Alternating Current) | – |
| Frequency | 50 | Hz |
| Phase | Three-Phase | – |
| Voltage Range Application | 3-12kV | kV |
| Application | High Voltage Circuit Breaker & Switchgear, MV Switchgear Ground Knife | – |
| Standards Compliance | GB1985 and IEC129 | – |
| CE Certified | Yes (CE Certification) | – |
| Advanced Level Product | Yes (Advanced Level Product with High-Tech Parameters Performance) | – |
| GB1985 Compliant | Yes (Conforms to GB1985 Standard) | – |
| IEC129 Compliant | Yes (Conforms to IEC129 Standard) | – |
| 3-12kV Power System | Yes (Applies to Power System 3-12kV) | – |
| Three-Phase AC 50Hz | Yes (Three-Phase AC 50Hz) | – |
| Short-Circuit Making Capacity | Yes (Owns Short-Circuit Making Capacity to Protect Other Electric Equipment from Damage) | – |
| 40kA Short-Time Withstand | Yes (Rated Short-Time Withstand Current 40kA) | – |
| 4 Seconds Duration | Yes (Rated Short-Circuit Duration 4 Seconds) | – |
| 100kA Making Current | Yes (Rated Short-Circuit Making Current 100kA) | – |
| 100kA Peak Withstand | Yes (Rated Peak Withstand Current 100kA) | – |
| 42kV Power Frequency | Yes (Power Frequency Withstand Voltage 42kV Phase to Earth/Phase to Phase, 1 Min) | – |
| 75kV Lightning Impulse | Yes (Lightning Impulse Withstand Voltage 75kV) | – |
| 2000 Times Life | Yes (Mechanical Endurance 2000 Times) | – |
| Manual Type | Yes (Manual Type Available) | – |
| Motorized Type | Yes (Motorized Type Available) | – |
| Resin Insulators | Yes (Use Resin Insulators) | – |
| Silver-Plated Electrolytic Copper (99.9%) | Yes (Live Parts Made of Silver-Plated Electrolytic Copper 99.9%) | – |
| Blades Connected to Drive Shaft | Yes (Blades Directly Connected to Drive Shaft) | – |
| Overdimensioned Contact Elements | Yes (Contact Elements Overdimensioned According to Requirements) | – |
| High Contact Pressure | Yes (High Contact Pressure Between Blades and Contacts) | – |
| Reduced Ohmic Resistance | Yes (Reduced Ohmic Resistance at Contact Surface) | – |
| Minimum Metal Wear-Off | Yes (Minimum Metal Wear-Off During Life of Grounding Switch) | – |
| Thermal Mechanical Stresses Robustness | Yes (Robustness to Withstand Thermal and Mechanical Stresses Under Short-Circuit Conditions) | – |
| MV Switchgear Ground Knife | Yes (For MV Switchgear Ground Knife Application) | – |
| Various HV Switchgear Compatibility | Yes (Can Be Used with Various High Voltage Switchgear) | – |
| Equipment Overhaul Protection | Yes (Play Protective Role in High-Voltage Electrical Equipment Overhaul) | – |
| Ambient Condition | Parameter |
|---|---|
| Ambient Temperature Scope | -12°C to +40°C |
| Heavy Cold Zone | -25°C Allowed |
| Altitude | Not More Than 1000m |
| Relative Humidity – Daily Average | Not Exceeding 95% |
| Relative Humidity – Monthly Average | Not More Than 80% |
| Installation Site Requirements | No Conductive Dust, No Corrosive Gases, No Severe Vibration and Impact, No Combustion and Explosion |
| Item | Unit | Data |
|---|---|---|
| Rated Voltage | kV | 12 |
| Rated Short-Time Withstand Current | kA | 40 |
| Rated Short-Circuit Duration | s | 4 |
| Rated Short-Circuit Making Current | kA | 100 |
| Rated Peak Withstand Current | kA | 100 |
| Rated Insulation Level – PF Withstand Voltage (1 Min) Phase to Earth | kV | 42 |
| Rated Insulation Level – PF Withstand Voltage (1 Min) Phase to Phase | kV | 42 |
| Rated Insulation Level – Lightning Impulse Withstand Voltage | kV | 75 |
| Mechanical Endurance | Times | 2000 |
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.
