Product Introduction
The 2# internal cone insulator is a core insulation component for 1.1～3.6kV medium and low voltage electrical equipment, made of high-quality epoxy resin via APG vacuum precision molding, CNC machining and special surface protection. It is designed for internal cone plug/conductor docking of switchgear, GIS and ring main units, realizing insulation isolation, sealing protection and tool-free precise docking, ensuring safe and stable operation of medium and low voltage power transmission and distribution equipment.
Product Overview
Based on high-performance epoxy resin, the 2# internal cone insulator features an internal cone integrated epoxy structure, balancing electric field optimization, easy installation and sealing reliability. It is compatible with mainstream internal cone connectors and rigid conductors, solving insulation and sealing problems of conductor connections, and providing an efficient insulation solution for medium and low voltage equipment.
1. Structural Features
- Special internal cone electric field design: Standard 2# cone angle, integrated epoxy molding, uniform insulation layer, reducing local field strength concentration and ensuring insulation reliability.
- Double sealing insulation structure: Full epoxy dense molding + special sealing groove, preventing arc leakage, dust and moisture intrusion, adapting to industrial environments.
- Integrated positioning interface: Reserved positioning steps and sealing grooves, enabling gapless docking without additional adapters, complying with EN 50336, IEC 60137 standards.
- Modular installation: Suitable for embedded/flange installation, strict dimensional tolerance, adaptable to various medium and low voltage equipment.
2. Performance Advantages
- High insulation performance: CTI≥600V, dielectric strength≥25kV/mm, tanδ≤0.002 (1kHz), adapting to 1700A-4000A rated current scenarios.
- Long-term durability: Weather-resistant coating, anti-aging, 20+ years of stable insulation performance, reducing maintenance cost.
- Strong environmental adaptability: Wide temperature range (-40℃～+150℃), excellent mechanical strength, V0 grade flame retardant, adapting to complex working conditions.
3. Typical Application Scenarios
Suitable for 1.1～3.6kV medium and low voltage switchgear, ring main units, box-type substations, GIS/gas-insulated cabinets, distribution boxes and bus ducts, meeting internal cone insulation and sealing needs.
4. Core Values
- Safety guarantee: Optimized electric field and double sealing, reducing flashover and insulation breakdown risks, with flame-retardant and explosion-proof features.
- Efficient installation: Standardized interface, seamless docking, self-positioning, improving assembly efficiency.
- Compliance: Meets EN 50336, IEC 60137, GB/T 11022 standards, passing authoritative tests.
5. Installation and Operation & Maintenance Notes
- Install only when the cone surface is intact and clean; clean with absolute ethanol before installation.
- Use special seals matching 2# cone angle, control flange tightening torque as recommended.
- Regularly inspect for leakage, condensation and corona; clean periodically in polluted areas.
- Prohibit operation beyond rated parameters and use in harsh environments without protection.
