Plastic through-hole 1/2/3-hole high-voltage connector

UEALINK Plastic Through-Hole High-Voltage Connectors with 1/2/3 Holes

Product Overview

The UEALINK plastic through-hole high-voltage connectors with 1, 2, or 3 holes are 800V DC plug-in connectors specially designed for wall-penetrating wiring in high-voltage enclosures. They feature IP67 protection, an integrated plastic base structure that allows direct installation into pre-drilled enclosure openings, and come equipped with sealing gaskets to ensure reliable liquid-tight sealing. The product offers single-hole, double-hole, and triple-hole configurations, supporting centralized multi-circuit wiring within a single device. With an insulation and flame-retardant rating of V0, it operates stably across a wide temperature range of -40°C to 125°C, meeting the high-voltage wiring needs of energy storage cabinets, electrical control boxes, and other equipment. It is an ideal wiring accessory for commercial and industrial energy storage systems, on-board electrical controls, photovoltaic inverters, and similar applications.

Key Performance and Specifications

1. Rated Voltage: 800V DC
2. Protection Rating: IP67
3. Hole Configurations: Single-hole, double-hole, triple-hole
4. Insulation and Flame-Retardant Rating: V0
5. Operating Temperature Range: -40°C to 125°C
6. Installation Method: Direct mounting into pre-drilled enclosure openings
7. Sealing Performance: Equipped with sealing gaskets for liquid-tight sealing
8. Compatible Applications: Wall-penetrating wiring for energy storage cabinets, electrical control boxes, photovoltaic inverters, and more

Core Advantages

1. Reliable High-Protection Sealing: With an IP67 rating and integrated sealing gaskets, this connector effectively prevents liquid ingress, addressing the industry’s longstanding issue of poor sealing in split-type wiring solutions that easily allow water entry. This reduces the risk of equipment leakage and short circuits, ensuring safe operation of high-voltage circuits.
2. Centralized Multi-Circuit Wiring: Offering flexible single-, double-, or triple-hole options, it supports centralized multi-circuit wiring within a single device, eliminating the clutter caused by multiple separate openings in traditional enclosures. This results in tidier internal wiring, saves space, and enhances overall equipment layout efficiency.
3. Excellent Environmental Adaptability: With an insulation and flame-retardant rating of V0, it delivers outstanding fire resistance while enduring extreme temperatures from -40°C to 125°C. This overcomes the limitations of ordinary plastics that degrade under high heat, ensuring stable performance even in harsh climates or high-temperature operating conditions, thereby extending equipment lifespan.
4. Convenient Standardized Installation: Featuring an integrated plastic base design, it can be directly installed into pre-drilled enclosure openings without complex assembly procedures. Standardized enclosure openings also reduce sheet-metal tooling costs and lead times, boosting production and assembly efficiency.

Core Value Proposition

1. Standardized opening designs reduce sheet-metal tooling costs, shorten production cycles, and lower enterprise manufacturing expenses.
2. Centralized multi-circuit wiring optimizes internal space utilization, improves wiring organization, and facilitates future maintenance and repairs.
3. IP67 sealing and superior high-temperature aging resistance significantly reduce the risk of leakage and short circuits, enhancing equipment reliability and stability.
4. Designed for 800V DC high-voltage applications, it meets the demanding wiring requirements of commercial and industrial energy storage systems, on-board electrical controls, photovoltaic inverters, and other fields.

Target Customer Base

Manufacturers of commercial and industrial energy storage equipment, on-board electrical control box producers, photovoltaic inverter companies, as well as any electrical equipment manufacturers requiring high-voltage wall-penetrating wiring can all adopt this product as a core component to enhance the safety and neatness of their equipment wiring.

Application Scenarios

This product is suitable for various high-voltage electrical equipment applications involving wall-penetrating wiring, including energy storage container wiring, providing reliable high-voltage line connections for energy storage systems; high-voltage wiring through vehicle PDU control boxes, ensuring the safety of onboard electrical control systems; and high-voltage wiring inside inverters, adapting to the high-voltage circuit layouts of photovoltaic inverters. Additionally, it can be used for high-voltage wiring in various industrial electrical control boxes, meeting diverse equipment-specific high-voltage wiring needs.

Solutions to Industry Pain Points

1. Addressing the issue of poor sealing and water ingress in split-type wiring: With its IP67 rating and sealing gasket design, this product achieves reliable liquid-tight sealing, effectively preventing moisture from entering the enclosure and avoiding high-voltage circuit short circuits, thus enhancing equipment operational safety.
2. Tackling the problem of messy multiple-hole enclosures: Offering flexible single-, double-, or triple-hole configurations, it supports centralized multi-circuit wiring without requiring separate openings for each circuit, resulting in tidier enclosure openings, optimized internal space, improved aesthetics, and easier maintenance.
3. Overcoming the limitation of ordinary plastics degrading under high temperatures: Utilizing V0-rated insulating and flame-retardant plastic materials, it exhibits excellent high-temperature resistance, operating stably between -40°C and 125°C. This avoids the rapid degradation and performance decline typical of ordinary plastics under high heat, extending product lifespan.

Complementary Product Information

This plastic through-hole high-voltage connector can be paired with energy storage high-voltage short cables, copper braided harnesses for enclosures, and single-core connectors to form a complete high-voltage wiring solution, further enhancing connection reliability and safety. It meets the complementary needs of different devices, offering users a one-stop selection of high-voltage wiring components.

Frequently Asked Questions (FAQ)

Q1: What is the protection rating of this high-voltage connector?
A: The product features an IP67 rating and comes with sealing gaskets, enabling reliable liquid-tight sealing to prevent moisture from entering the enclosure and safeguarding high-voltage circuits.
Q2: Can I choose the number of holes based on my needs?
A: Yes, the product offers single-hole, double-hole, and triple-hole options, allowing flexible configuration according to the number of circuits required, thus supporting centralized multi-circuit wiring.
Q3: What is the operating temperature range of the product?
A: The product can operate reliably across a wide temperature range of -40°C to 125°C, with an insulation and flame-retardant rating of V0, ensuring stable performance even in extreme climates or high-temperature working environments.
Q4: Is installation complicated?
A: The product employs an integrated plastic base design, requiring only standardized drilling in the enclosure for direct installation—no complex procedures needed. Installation is convenient and helps reduce sheet-metal tooling costs.