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Contact Person :
Wang Hong
Phone Number :
+8615891045672
High-Temperature Ceramic Insulation Sealing Plug with Precision Dimensional Tolerance and IP67 Equivalent Water Ingress Protection for MV Cable Joints
Product Details
| Voltage Rating | 2000V | Working Temperature Range | 50℃~+125℃ |
|---|---|---|---|
| Capacitance | High Voltage STD=250pF | Dimension | T: 22.0mm |
| Voltage Withstanding | 70kV ,50Hz ·1min | Voltagerating | 100V To 10kV |
| Dielectric Losse | 1V，1KHz (20-25)℃ ＜ 0.0040 | Life | 10 Years |
| Applications | High Voltage Power Supplies, Pulse Circuits, Medical Equipment | Productname | High Voltage Ceramic Capacitor |
| Lead Wire | Φ0.48mm | Application | Ring Main Unit |
| Capacitance At | 1V ,1kHz ,(20-25)℃ 150PF±10% | Termination | Tin/Lead Or Lead-Free |
| Function | Take Electricity, Accurate Measurement | Accuracy | 0.5P |
| Rated Frequency | 50/60Hz | Withstanding Voltage | 50Hz 42kV ·1min (HV-Earthing) |
Product Description
Ceramic Insulation Sealing Plugs for MV Cable Joints & Terminations | Moisture-Proof End Closures
Our ceramic insulation sealing plugs are heavy-duty end closures designed for medium-voltage cable joints, separable connectors and cable termination enclosures. Combining high-grade ceramic insulation with precision-fit sealing geometry, these plugs provide reliable electrical insulation while preventing moisture and contamination ingress into cable compartments.
Compared to polymer-only plugs, our ceramic sealing solutions offer superior heat resistance, longer service life and better performance under fault current conditions — ideal for underground cable networks and outdoor cable boxes.
Key Features
- Dual function: electrical insulation + environmental sealing
- High-temperature ceramic body for fault current resistance
- Precision dimensional tolerance for leak-tight fit
- Resistant to oil, UV, ozone and chemical corrosion
- Suitable for indoor and outdoor cable installations
- Available in standard cable bore sizes (630A, 1250A, 2500A class)
- Compatible with cold-shrink and heat-shrink cable accessories
Applications
- MV cable joint and termination enclosures
- Separable connector systems (elbow connectors)
- Ring main unit cable compartment sealing
- Pad-mounted transformer cable entry points
- Underground distribution network cable boxes
Technical Specifications
| Parameter | Value |
|---|---|
| Voltage Rating | Up to 36kV class |
| Insulation Material | High-purity alumina ceramic |
| Sealing Temperature | -40°C to +150°C |
| Dielectric Strength | ≥ 20kV/mm |
| Water Ingress Protection | IP67 equivalent when properly installed |
| Standard Sizes | 24mm, 35mm, 52mm, 76mm bore (custom available) |
| Mechanical Impact Resistance | IK10 equivalent ceramic body |
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