
10 To 35 KV Indoor GIS Switchgear Plug-in Termination
✅50%+ faster installation than conventional terminations
✅High Reliability,Excellent sealing performance
✅Fully insulated touch-safe design
✅Long service life (typically up to 30 years)and maintenance-free
- Product Introduction
Jinneng electric 10 to 35 kV Indoor GIS Switchgear Plug-in Termination is a critical component designed to facilitate the safe and efficient connection/disconnection of cables or busbars within a GIS system. It ensures reliable electrical performance while maintaining the gas-tight integrity of the SF₆-insulated enclosure.
Our 10 to 35 kV Indoor GIS Switchgear Plug-in Termination precisely designed conical insulation interface forms tight coupling with cable/equipment connections. Electrical connection and mechanical fixation are achieved through elastic material compression while maintaining uniform electric field distribution.
Product structure

● Conical insulator: Made of high-quality silicone rubber or EPDM material, providing excellent electrical insulation
● Conductive connector: Copper or copper alloy material ensuring good conductivity and mechanical strength
● Shielding system: Built-in or external shielding layer for optimized electric field distribution
● Sealing structure: Multi-layer sealing design preventing moisture and contaminant ingress
● Outer shell: Typically made of high-strength engineering plastic or stainless steel
Applicable cable size:
|
Product model |
System rated voltage(kV) |
Applicable cable cross- section (mm2) |
Match the inner cone socket |
Mounting diameter: (mm) |
Height(mm) |
|
HNCBN-10 |
15 |
50-630 |
2# |
102 |
237 |
|
HNCBN-35 |
40.5 |
50-150 |
2# |
130 |
237 |
|
HNCBN-35 |
40.5 |
50-800 |
3# |
130 |
325 |
contact us for special requirement
Key Features
● Voltage Rating: 10 kV, 20 kV, 24 kV, or 35 kV.
● Plug-in design: Installation/removal without special tools
● Application: Indoor GIS switchgear in substations, industrial plants, and commercial power distribution.
● Design: Compact, modular, and maintenance-friendly.
● Insulation Medium: SF₆ gas (or alternative eco-friendly gases like dry air/N₂ mixtures in newer designs).
Technical Parameters
| Item | 10kV (8.7/15kV) | 35kV (26/35kV) |
|---|---|---|
| Rated Voltage | 10kV | 35kV |
| Power Frequency Withstand Voltage (5min) | 42kV | 95kV |
| Lightning Impulse Withstand Voltage | 75kV | 170kV |
| Rated Current | 630A/800A/1250A | 630A/800A/1250A |
| Applicable Cable Cross-section | 35~400 mm² | 50~800 mm² |
| Partial Discharge | ≤5 pC (1.73U0) | ≤5 pC (1.73U0) |
| Protection Level | IP67 (Plug-in Surface Sealing) | IP67 |
| Operating Temperature | -30℃~+90℃ | -30℃~+90℃ |
Above parameters are typical value for reference,contact us for more info.
Product advantages
Installation Convenience
● No special tools required
● 50%+ faster installation than conventional terminations
● Lower technical skill requirements for installers
High Reliability
● More uniform electric field distribution reduces partial discharge
● Excellent sealing performance resists moisture and contamination
● Good seismic performance suitable for mobile equipment
Economic Benefits
● Reduced downtime improves power supply reliability
● Low maintenance costs
● Long service life (typically up to 30 years)
Safety
● Fully insulated touch-safe design
● Hot-pluggable (requires special tools and trained personnel)
● Low failure rate reduces accident risks
Application Field
● Power distribution networks.
● Renewable energy plants (e.g., solar/wind farms).
● Data centers and high-reliability industrial facilities.
● Wind farms/Photovoltaic power stations/Energy storage systems

Products Guidance

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