Product Parameters
I. Material:
1. Body: High-strength epoxy resin (molded by APG automatic pressure gelation process), with high insulation strength and tracking resistance.
2. Metal Parts: Top pre-embedded brass bolts (or galvanized steel bolts) to ensure the reliability of electrical conductivity and corrosion resistance.
II. Structural Features:
1. Body Shape: Cylindrical multi-stage shed structure, optimizing electric field distribution and significantly increasing creepage distance.
2. Installation Interface: 2-3 metal bolt holes are set on the top (configured according to the model) for electrical connection or mechanical fixation; the bottom can be equipped with a flange or directly embedded into the equipment.
3. Surface Treatment: Smooth and air-gap-free surface, reducing the risk of partial discharge and adapting to high humidity and polluted environments.
III. Rated Parameters:
1. Voltage Level: 12kV, 24kV, 36kV, 40.5kV (custom higher voltage levels are supported).
2. Mechanical Strength: High bending/compressive strength, meeting the requirements of equipment vibration and short-circuit electrodynamic force.
IV. Environmental Adaptability:
1. Temperature Range: -40℃～+150℃ (no deformation or embrittlement during long-term operation).
2. Protection Performance: Tracking resistance index (CTI) ≥ 600V, adapting to Class IV pollution level.
3. Chemical Corrosion Resistance: Resistant to acid-base and salt spray erosion, suitable for coastal areas and industrial pollution zones.
V. Installation Method:
1. Bolt-fastening installation, compatible with the interfaces of switchgear, transformers, reactors and other equipment.
2. Can be installed vertically or horizontally to meet the needs of different equipment layouts.
VI. Certification Standards:
1. Comply with standards for medium and high voltage post insulators such as IEC 60273 and GB/T 8287.1-2008.
Product Introduction
The N-saler brand medium and high voltage epoxy resin post insulator is a core component specially designed for internal insulation support and conductive connection of electrical equipment, widely used in medium and high voltage scenarios such as switchgear, transformers, and reactors. The product adopts an epoxy resin body molded by APG process, combined with pre-embedded metal bolts, which has both high mechanical strength and excellent insulation performance. Its multi-stage shed structure effectively extends the creepage path and resists the impact of harsh environments such as pollution and humidity; the top bolt design simplifies the installation process and ensures the reliability of electrical connection. The product has passed strict electrical tests and environmental aging tests, and is a cost-effective solution to ensure the safe operation of equipment and reduce maintenance costs.
Product Overview
N-saler post insulator takes high-performance epoxy resin as the core material, and is integrally molded through precision APG process, specially providing stable insulation support and safe conductive connection for medium and high voltage electrical equipment. The product design integrates functionality and engineering practicality:
· Electric Field Optimization Design: The multi-stage shed structure balances the electric field distribution, reduces the risk of partial discharge, and adapts to high voltage gradient environments.
· High-strength Mechanical Support: The synergistic effect of the epoxy resin body and metal bolts provides impact resistance and vibration resistance, meeting the long-term operation stability needs of equipment.
· Excellent Environmental Adaptability: High temperature resistance, pollution resistance and corrosion resistance ensure reliable operation in extreme climates and industrial pollution areas.
· Convenient and Efficient Installation: Standardized bolt interface design, compatible with mainstream equipment installation specifications, shortening the construction period.
Typical Application Scenarios:
· Busbar support and insulation isolation of medium and high voltage switchgear
· Insulation and fixation of transformer/reactor outlet terminals
· Internal insulation structure of prefabricated substations (American/European box-type substations)
· Electrical connection and support of power generation/energy storage equipment
