| Customization: | Available |
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| Application: | High-voltage |
| Material: | Composite Polymer |
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High-Performance Composite Post Insulator - Reliable, Durable & Maintenance-Free
Engineered for Excellence in High-Voltage Applications
Our composite post insulator sets a new standard in electrical insulation, combining cutting-edge materials with robust engineering to deliver unmatched performance in power transmission and distribution systems. Designed for substations, switchgear, and overhead lines, it outperforms traditional porcelain and glass insulators with superior mechanical strength, pollution resistance, and longevity.
Exceptional Electrical & Mechanical Performance
The internal epoxy fiberglass pull rod boasts superior tensile and flexural strength-twice that of standard steel and 8-10 times greater than high-strength porcelain materials, ensuring enhanced operational reliability and durability.
Outstanding Pollution Resistance
Engineered for high contamination environments, it delivers 2-2.5 times higher wet withstand voltage and pollution flashover resistance compared to porcelain insulators with equivalent creepage distance. Maintenance-free operation eliminates the need for cleaning, making it ideal for heavily polluted industrial and coastal areas.
Compact & Lightweight Design
With a mere 1/6 to 1/19 the weight of traditional porcelain insulators at the same voltage rating, its sleek, ergonomic structure ensures effortless transportation, handling, and installation.
Hydrophobic Silicone Rubber Sheds
The advanced silicone rubber housing provides excellent water repellency, preventing moisture ingress and maintaining insulation integrity. This eliminates routine insulation monitoring and cleaning, significantly reducing maintenance efforts.
Robust Sealing & Environmental Resilience
Featuring hermetic sealing and exceptional electrical erosion resistance, the sheds comply with TMA4.5-grade anti-tracking standards. Its superior anti-aging, corrosion resistance, and cold-weather performance ensure reliable operation in extreme temperatures (-40°C to +50°C).
High Impact & Vibration Resistance
Designed for rigorous conditions, it offers outstanding shock absorption, anti-brittleness, and creep resistance. With high torsional strength and explosion-proof capabilities, it resists fractures and deformation while remaining fully compatible with porcelain and glass insulators.
|
Product
Model
|
Rated
volt.,
kV
|
Mechanical
load,kN
|
Height
H,mm
|
Insulation
distance
mm
|
Creepage
distance,
mm
|
Lightning impulse
withstand
vol.(peak),
mm
|
Power
Frequency
withstand
volt.kV
|
|
FZSW-10/4
|
10
|
4
|
215
|
125
|
290
|
75
|
42
|
|
FZSW-24/8
|
24
|
8
|
300
|
220
|
750
|
150
|
65
|
|
FZSW-36/9
|
36
|
9
|
450
|
360
|
946
|
185
|
95
|
|
FZSW-66/10
|
66
|
10
|
760
|
630
|
2010
|
410
|
185
|
|
FZSW-110/10
|
110
|
10
|
1220
|
1080
|
3530
|
500
|
230
|
|
FZSW-220/8
|
220
|
8
|
2440
|
2200
|
7060
|
1000
|
395
|
| Category | Parameter | Specification | Standards/Notes |
|---|---|---|---|
| Electrical | Rated Voltage | 10kV-1100kV (customizable) | IEC 60071 |
| Power Frequency Withstand | 45kV-550kV (dry/wet) | ||
| Lightning Impulse Withstand | 110kV-650kV | ||
| Creepage Distance | 300mm-2500mm | IEC 60815 (Pollution Class IV) | |
| Mechanical | Tensile Strength | ≥120 kN | |
| Cantilever Strength | ≥8 kN·m | ||
| Torsional Strength | ≥4 kN·m | ||
| Compressive Strength | ≥250 kN | ||
| Material | Core Material | Epoxy-fiberglass | High mechanical strength |
| Shed Material | HTV Silicone Rubber | TMA4.5 (IEC 60587) | |
| Hydrophobicity | HC1-HC3 | IEC 62073 | |
| Environmental | Temperature Range | -40°C to +50°C | Arctic/desert compatible |
| UV Resistance | >20 years | ||
| Sealing | Hermetic (IP68 optional) | Moisture-proof | |
| Physical | Height | 500mm-6000mm | Custom lengths available |
| Weight | 1/6-1/19 of porcelain equivalent | Easy installation | |
| Certifications | Standards | IEC 61109, ANSI C29.11, GB/T 19519 | Global compliance |
To guarantee the safe arrival of your composite post insulators, we use heavy-duty, custom-designed wooden crates that meet international shipping standards. Each unit is meticulously packed with:
Shock-Absorbent Padding: High-density foam or bubble wrap to prevent vibration/impact damage
Moisture Barrier: Waterproof lining to protect against humidity and rain during transit
Reinforced Corners: Steel strapping and edge protectors for crate durability
Clear Labeling: Handling instructions, weight, and fragile markings for proper logistics
Additional Safety Measures:
Load-Bearing Testing: Crates tested to withstand 1.5x the expected transport stress
Custom Sizing: Crates tailored to insulator dimensions to minimize movement
Stackable Design: Safe for multi-layer container shipping
Compliance: ISPM 15-certified heat-treated wood (for international shipments).
Chongqing Zexing Electric Equipment is a leading manufacturer and exporter specializing in a wide range of high-quality electrical eq
uipment. With a strong presence in the global market, we provide advanced solutions for power transmission, distribution, and management. Our product portfolio includes transformers, electric equipment, and other related electrical components, all designed to meet international standards of quality, safety, and efficiency.
Our company is committed to delivering reliable, energy-efficient, and cost-effective solutions that cater to diverse industries, including power generation, construction, and infrastructure development. Backed by a team of experienced engineers and technicians, we pride ourselves on our ability to provide customized products tailored to specific customer needs, ensuring superior performance and longevity.
Chongqing Zexing Electric Power Equipment operates a modern and well-equipped manufacturing facility, which spans a large area. The factory is designed to meet industry demands for high-quality electric power equipment, featuring advanced production lines and rigorous testing systems. With a focus on innovation and efficiency, the factory is equipped with state-of-the-art machinery and skilled workers to ensure the production of reliable and durable products. Zexing Electric Power Equipment's manufacturing process adheres to strict international standards, enabling the company to supply its customers with top-tier products and services.
Chongqing Zexing Electric Power Equipment is committed to providing high-quality electrical equipment with certifications that meet international standards. The company holds various certificates, including ISO 9001 for quality management, ISO 14001 for environmental management, and CE certification for product safety and compliance. These certifications validate the company's dedication to maintaining strict quality control, environmental sustainability, and meeting the highest safety standards, ensuring the reliability and efficiency of its products.
Manufactured in compliance with IEC 60947-3 standards, our DC isolation switches ensure high safety and durability. Compact design, easy installation, and excellent electrical performance make them a reliable choice for both residential and commercial projects.OEM and customized specifications are available upon request. Contact us for more details and product catalogs.
Q1: What is a post insulator?
A: A high-voltage insulator used to support conductors in substations and power lines, made of composite materials for better performance.
Q2: Why choose composite post insulators?
A: They're lighter, stronger, and more pollution-resistant than porcelain/glass, with minimal maintenance.
Q3: How does silicone rubber help?
A: It repels water, resists UV/chemical damage, and prevents flashovers in wet/polluted areas.
Q4: What temperature range can they handle?
A: -40°C to +50°C, suitable for extreme climates.
Q5: Do they need maintenance?
A: No. Unlike porcelain, they don't require cleaning or insulation tests.
Q6. What packaging and shipping methods do you offer?
A:Each Isolation Switch is packed in sturdy, export-grade wooden crates to prevent damage during sea freight. We provide reliable international shipping with full tracking information.
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