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Insulation Piercing Connector (IPC)
Zhejiang Junwei Electric Co., Ltd.
Zhejiang Junwei Electric Co., Ltd.

IPC Series Insulation Piercing Connector

JUNW IPC Series Insulation Piercing Connectors (IPCs)
1. Core Product Advantages & Overall Features
JUNW IPC Series Insulation Piercing Connectors are professional-grade connection solutions engineered for power distribution networks, supporting stripping-free, hot-line installation for overhead and underground cables. Distinct from other series, they feature scenario-optimized single/dual-bolt housing designs, with specialized piercing blades for damage-free copper/aluminum cable connection. Torque-controlled nuts ensure consistent, reliable piercing pressure, while self-sealed housings deliver waterproof, anti-corrosion, UV-resistant performance, with 6kV insulation strength and 15kA impulse current capacity for harsh outdoor environments. They eliminate terminal boxes and junction boxes, cutting construction time and material costs, ideal for grid retrofits and industrial power systems.
2. Model-Specific Differentiation
IPC3.1: Compact single-bolt design, 16–95mm² main line / 10–25mm² branch line, 1 bolt. Slim, lightweight housing tailored for small-load residential and light commercial distribution tapping.
IPC3.2: Medium-duty single-bolt structure, 50–95mm² main line / 25–50mm² branch line, 1 bolt. Reinforced housing for commercial and light industrial medium-load cable branching.
IPC3.3: Large main-line single-bolt model, 120–185mm² main line / 10–70mm² branch line, 1 bolt. Oversized housing for grid trunk line tapping, supporting large-diameter main cables with flexible branch loads.
IPC3.4: Heavy-duty dual-bolt design, 70–185mm² main/branch line, 2 bolts. Robust dual-bolt housing for high-current industrial and grid main-line equal-section connections, ensuring extreme load stability.

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Zhejiang Junwei Electric Co., Ltd.
Zhejiang Junwei Electric Co., Ltd.
Zhejiang Junwei Electric Co., Ltd. upholds the core values of quality, innovation and integrity. Over the past 19 years, these principles have enabled us to grow into a leading manufacturing and trading enterprise and drive our commitment to delivering outstanding products.
Since the company’s founding, Zhang Shuping, founder of Junwei Electric, has always emphasized: “If people and enterprises in French-speaking African countries need electricity, they need the products and services we provide. Whether for new or existing demand, we wholeheartedly supply them with the products and services they require.” Providing customers with high-quality products supported by professionally skilled staff is the mission and passion of the Junwei Electric family.
Zhejiang Junwei Electric Co., Ltd. specializes in providing integrated solutions. Since 2007, Junwei Electric has kept a simple promise: to offer the most reliable products, the most reliable team and the most reliable services at the most competitive prices. With abundant inventory and a strong supplier network, Junwei is committed to delivering a hassle-free experience for customers. All products are certified for safety and reliability, ready for immediate operation.
Quality, Innovation, Integrity – Your Trusted Electrical Partner
We focus on the R&D and production of high and low voltage electrical products, including circuit breakers, meter boxes and fuses. Our products are exported to many African countries such as Cameroon, Côte d’Ivoire, Morocco and Burkina Faso. We have also established long-term and stable cooperative relations with power authorities in Senegal, Gabon, Benin, Guinea and other countries, serving as their important supplier of low-voltage electrical products in China.
We have a professional R&D team and laboratory, dedicated to product innovation and technological upgrading. We firmly believe that progress stems from demand, curiosity and the pursuit of excellence. Therefore, all finished products undergo multiple strict inspections to ensure stable and reliable performance.
We do not merely sell products – we deliver peace of mind. With a complete after-sales service system and efficient supply chain management, we have won the long-term trust of overseas customers. Our promise is simple: to provide safe, durable and economical electrical solutions with our professional expertise and attentive service.
Our persistence in quality has earned us an excellent reputation.
Innovation is our driving force, and reliability is our promise.
All our production and quality management systems meet or exceed CE and ISO standards. The products you receive are certified, safe and reliable, and can be installed and used directly.
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