MV Insulating End Caps with High Dielectric Strength UV Resistant and Moisture Proof for Switchgear & Cable Compartments

Our MV insulating end caps (insulation plugs) are essential safety components designed to seal unused cable and bushing ports in medium-voltage switchgear, ring main units (RMUs), and transformer enclosures. These high-performance caps provide reliable electrical insulation, preventing flashovers, contamination, and moisture ingress, while protecting against accidental contact with live parts.

Made from durable, high-grade insulating materials, our end caps offer excellent dielectric strength, UV resistance, and long-term stability in both indoor and outdoor environments.

• High dielectric strength, meeting MV equipment safety standards
• Seals unused ports to prevent dust, moisture, and contamination
• Provides protection against accidental contact with live components
• Resistant to aging, UV radiation, and environmental stress
• Available in standard sizes for common switchgear port dimensions
• Custom designs available for non-standard applications
• Easy to install and remove during maintenance

• Sealing unused cable ports in MV switchgear and RMUs
• Insulating and protecting bushing ends and terminals
• Cable compartment sealing in ring main units
• End protection for instrument transformers and sensors
• Indoor and outdoor medium-voltage distribution equipment