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.
ceshi2ceshi2ceshi2ceshi2ceshi2
ceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshiceshi
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.
