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JN22B-40.5/31.5 Indoor HV Earthing Switch 35-40.5kV 31.5kA: Electric motor operating mechanism, YF-DJN-04 controller, 80kA making current, manual/electric no-switch operation, KYN-40.5 compatible, 42kV/75kV insulation, 4s withstand time, CE certified, GB1985-2004 IEC129 compliant, national invention patent.
Advanced JN22B-40.5/31.5 Series Indoor HV Electric Earthing Switch: Researched and developed by XI’AN HV Electric research organization with advanced design and steady performance, simple structures, simple mounting and adjustment, suitable for electric power system with 40.5kV, three-phase, AC 50Hz, achieves national invention patent, adds motor operating mechanism on basis of original earthing switch maintaining characteristics while realizing electric operation, electric and manual operation do not need to switch satisfying programmed operation requirements, rated voltage 35kV with maximum voltage 40.5kV, rated short-time withstand current 31.5kA for 4 seconds, rated short-circuit making current 80kA with rated peak withstand current 80kA, phase center distance options 280/300/350/400mm, rated insulation level with power frequency withstand voltage 42kV (phase to earth) and lightning impulse withstand voltage 75kV (phase to phase), complied with GB1985-2004 and IEC129 standards, CE certified.
Superior YF-DJN-04 Controller and Motor Protection: JN22B-40.5/31.5 features YF-DJN-04 earthing switch controller realizing control and protection of motor operating mechanism, if electric mechanism has difficulty driving motor such as installation not in place or mechanism stuck reaching protection condition, controller can break motor immediately and drive motor reversely to release stuck state of chassis, can be used in KYN□-40.5 or other kinds of switchgears as earthing protection, working conditions: altitude ≤1000m, ambient temperature -10°C to +40°C, earthquake intensity ≤8 degrees, applicable in places without corrosive, flammable gas and water.
| JN22B-40.5/31.5 Indoor HV Electric Earthing Switch Specifications | Parameter | Unit |
|---|---|---|
| Brand | Bepto Insulation Systems | – |
| Model Number | JN22B-40.5/31.5 | – |
| Category | Switchgear & High Voltage Electric Earthing Switch | – |
| Product Type | Indoor HV Electric Earthing Switch (35-40.5kV 31.5kA) with Motor Operating Mechanism, YF-DJN-04 Controller, 80kA Making Current for KYN-40.5 Switchgear Application, CE Certified | – |
| Core Technology | Researched and Developed by XI’AN HV Electric Research Organization + National Invention Patent + Advanced Design and Steady Performance + Simple Structures + Simple Mounting and Adjustment + Motor Operating Mechanism Added on Basis of Original Earthing Switch + Maintains Characteristics of Original Earthing Switch + Realizes Electric Operation + Electric and Manual Operation Do Not Need to Switch + Satisfies Programmed Operation Requirements + YF-DJN-04 Controller for Control and Protection + Motor Protection with Reverse Drive Function + Suitable for 40.5kV Electric Power System + Three-Phase AC 50Hz + Earthing Protection Application + KYN□-40.5 or Other Kinds of Switchgears Compatible + GB1985-2004 and IEC129 Standards Compliant + CE Certification + Rated Voltage 35kV + Maximum Voltage 40.5kV + Rated Short-Time Withstand Current 31.5kA + Rated Short-Circuit Duration 4 Seconds + Rated Short-Circuit Making Current 80kA + Rated Peak Withstand Current 80kA + Phase Center Distance Options 280/300/350/400mm + Power Frequency Withstand Voltage 42kV (Phase to Earth) + Lightning Impulse Withstand Voltage 75kV (Phase to Phase) + Altitude ≤1000m + Ambient Temperature -10°C to +40°C + Earthquake Intensity ≤8 Degrees + Applicable Without Corrosive Flammable Gas and Water | – |
| Certification | CE | – |
| Whether Smart | No | – |
| Place of Origin | Zhejiang, China | – |
| Product Name | JN22B-40.5/31.5 Series 40.5KV Indoor AC High Voltage Earthing Switch | – |
| Type | Earthing Switch (Electric Motor Operating) | – |
| Application | High Voltage Switchgear | – |
| Rated Voltage | 35 | kV |
| Maximum Voltage | 40.5 | kV |
| Max. Voltage | 40.5 | kV |
| Rated Short-Time Withstand Current | 31.5 | kA |
| Rated Short-Circuit Duration | 4 | s |
| Rated Short-Circuit Making Current | 80 | kA |
| Max. Current | 80 | kA |
| Rated Peak Withstand Current | 80 | kA |
| Phase Center Distance Options | 280 / 300 / 350 / 400 | mm |
| Power Frequency Withstand Voltage (1 Min) – Phase to Earth | 42 | kV |
| Lightning Impulse Withstand Voltage – Phase to Phase | 75 | kV |
| Package | Standard Package | – |
| Port | Ningbo or Shanghai | – |
| Installation Type | Indoor | – |
| Current Type | AC (Alternating Current) | – |
| Frequency | 50 | Hz |
| Phase | Three-Phase | – |
| Voltage Range Application | 40.5kV | kV |
| Standards Compliance | GB1985-2004 and IEC129 | – |
| CE Certified | Yes (CE Certification) | – |
| National Invention Patent | Yes (Achieves National Invention Patent) | – |
| XI’AN HV Electric Research | Yes (Researched and Developed by XI’AN HV Electric Research Organization) | – |
| Advanced Design Steady Performance | Yes (Advanced Design and Steady Performance) | – |
| Simple Structures | Yes (Simple Structures) | – |
| Simple Mounting Adjustment | Yes (Simple Mounting and Adjustment) | – |
| Motor Operating Mechanism | Yes (Adds Motor Operating Mechanism on Basis of Original Earthing Switch) | – |
| Maintains Original Characteristics | Yes (Maintains Characteristics of Original Earthing Switch) | – |
| Realizes Electric Operation | Yes (Realizes Electric Operation of Earthing Switch) | – |
| Electric Manual No-Switch Operation | Yes (Electric and Manual Operation Do Not Need to Switch) | – |
| Programmed Operation | Yes (Satisfies Requirement of Programmed Operation in Power System) | – |
| YF-DJN-04 Controller | Yes (YF-DJN-04 Earthing Switch Controller) | – |
| Motor Control and Protection | Yes (Realizes Control and Protection of Motor Operating Mechanism) | – |
| Motor Protection Function | Yes (Can Break Motor Immediately and Drive Motor Reversely to Release Stuck State) | – |
| 40.5kV Electric Power System | Yes (Suitable for Electric Power System with 40.5kV) | – |
| Three-Phase AC 50Hz | Yes (Three-Phase, AC 50Hz) | – |
| Earthing Protection | Yes (As Earthing Protection Application) | – |
| KYN□-40.5 Switchgear Compatible | Yes (Can Be Used in KYN□-40.5 Switchgear) | – |
| Other Kinds of Switchgears Compatible | Yes (Or Other Kinds of Switchgears) | – |
| GB1985-2004 Compliant | Yes (Complied with GB1985-2004 Standard) | – |
| IEC129 Compliant | Yes (Complied with IEC129 Standard) | – |
| 35kV Rated Voltage | Yes (Rated Voltage 35kV) | – |
| 40.5kV Maximum Voltage | Yes (Maximum Voltage 40.5kV) | – |
| 31.5kA Short-Time Withstand | Yes (Rated Short-Time Withstand Current 31.5kA) | – |
| 4 Seconds Duration | Yes (Rated Short-Circuit Duration 4 Seconds) | – |
| 80kA Making Current | Yes (Rated Short-Circuit Making Current 80kA) | – |
| 80kA Peak Withstand | Yes (Rated Peak Withstand Current 80kA) | – |
| 280/300/350/400mm Phase Distance | Yes (Phase Center Distance 280mm/300mm/350mm/400mm) | – |
| 42kV Power Frequency (Phase to Earth) | Yes (Power Frequency Withstand Voltage 42kV Phase to Earth, 1 Min) | – |
| 75kV Lightning Impulse (Phase to Phase) | Yes (Lightning Impulse Withstand Voltage 75kV Phase to Phase) | – |
Model: JN22B-40.5/31.5-□
| Position | Symbol | Meaning |
|---|---|---|
| JN | JN | Indoor Earthing Switch |
| 22B | 22B | Design No. (B = Electric Motor Operating) |
| 40.5 | 40.5 | Maximum Voltage (kV) |
| 31.5 | 31.5 | 4S Thermal Stability Current (kA) |
| □ | □ | Central Distance Between Poles (mm) |
| Working Condition | Parameter |
|---|---|
| Altitude | ≤1000m |
| Ambient Temperature | -10°C to +40°C |
| Earthquake Intensity | ≤8 Degrees |
| Installation Site Requirements | Applicable in the Place Without Corrosive, Flammable Gas and Water Place |
| Item | Unit | Data |
|---|---|---|
| Rated Voltage | kV | 35 |
| Maximum Voltage | kV | 40.5 |
| Rated Short-Time Withstand Current | kA | 31.5 |
| Rated Short-Circuit Duration | s | 4 |
| Rated Short-Circuit Making Current | kA | 80 |
| Rated Peak Withstand Current | kA | 80 |
| Phase Center Distance | mm | 280 / 300 / 350 / 400 |
| Rated Insulation Level – PF Withstand Voltage (1 Min) Phase to Earth | kV | 42 |
| Rated Insulation Level – Lightning Impulse Withstand Voltage Phase to Phase | kV | 75 |
| YF-DJN-04 Controller Features | Description |
|---|---|
| Control Function | Realizes Control and Protection of Motor Operating Mechanism |
| Protection Condition Detection | Detects Installation Not in Place or Mechanism Stuck |
| Motor Break Function | Can Break Motor Immediately When Protection Condition Reached |
| Reverse Drive Function | Drive Motor Reversely to Release Stuck State of Chassis |
| Application | For Electric Earthing Switch Motor Operating Mechanism |
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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