---
product_id: 328177483
title: "Helunsi Waterproof IP68 External Junction Box, 2 Way Plug Line M20 Coaxial Cable Connector Wire Range 5 to 15mm Outdoor External Electric Power Cord Boxes (Black-2pcs)"
brand: "helunsi"
price: "¥5940"
currency: JPY
in_stock: true
url: https://www.desertcart.jp/products/328177483-helunsi-waterproof-ip68-external-junction-box-2-way-plug-line
store_origin: JP
region: Japan
---

# Max 24A Current IP68 Waterproof 2 Way Connector Helunsi Waterproof IP68 External Junction Box, 2 Way Plug Line M20 Coaxial Cable Connector Wire Range 5 to 15mm Outdoor External Electric Power Cord Boxes (Black-2pcs)

**Brand:** helunsi
**Price:** ¥5940
**Availability:** ✅ In Stock

## Summary

> 🔒 Secure Your Connections, Rain or Shine!

## Quick Answers

- **What is this?** Helunsi Waterproof IP68 External Junction Box, 2 Way Plug Line M20 Coaxial Cable Connector Wire Range 5 to 15mm Outdoor External Electric Power Cord Boxes (Black-2pcs) by helunsi
- **How much does it cost?** ¥5940 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.jp](https://www.desertcart.jp/products/328177483-helunsi-waterproof-ip68-external-junction-box-2-way-plug-line)

## Best For

- helunsi enthusiasts

## Why This Product

- Trusted helunsi brand quality
- Free international shipping included
- Worldwide delivery with tracking
- 15-day hassle-free returns

## Key Features

- • **Built to Last:** Crafted from high-quality PC plastic and silicone for extreme durability.
- • **Wide Compatibility:** Accommodates cable sizes from 5mm to 15mm for diverse applications.
- • **Powerful Performance:** Handles up to 450V and 24A, perfect for heavy-duty electrical needs.
- • **Unmatched Protection:** IP68 rated for total waterproof, dustproof, and UV protection.
- • **Versatile Installation:** Easily mounts horizontally or vertically for any outdoor setup.

## Description

Helunsi Waterproof IP68 External Junction Box, 2 Way Plug Line M20 Coaxial Cable Connector Wire Range 5 to 15mm Outdoor External Electric Power Cord Boxes (Black-2pcs)

## Features

- IP68 Waterproof >>> The Helunsi outdoor junction box is of IP68 high-level waterproof class, weatherproof, moisture-proof, dust-proof and anti-UV, making it safe to use in the sun, wet environment, rainy or snowy days, provides total protection for your junction cables.
- High-Quality Materials >>> 2 way junction box has good waterproof performance, with high quality plastic PC housing and waterproof silicone seal, which will not crack or fade in harsh environment, corrosion and high temperature resistant, durable for years use.
- Specification >>> Pack of 2. Internal dimensions: L 2.83 x W 1.89 x H 1.26inch. External dimensions: L 5.31 x W 2.72 x H 1.38inch. One input and one output, conduit cable gland is equipped with 3 sets of silicone seals of different thicknesses, applicable cable size range: imperial units 3/16" to 11/32", 11/32" to 15/32", 15/32" to 19/32" (Metric units 5-9mm/9-12mm/12-15mm). Comes with 3 screw terminal connector and mounting kit. Maximum voltage: AC 450V. Maximum current: 24A.
- Easy to Install >>> It can be installed under the ground or on the wall, horizontally or vertically as indoor or outdoor junction box, tightening the exterior screws with a screwdriver for a complete seal. Design for detachable box and cover, the waterproof silicone layer is precise and tight, by rotating and tightening the cable gland nut at both ends can lock and seal the cable.
- Wide Usage >>> Our Helunsi junction box can protect the connections of outdoor electrical appliances and wiring, which is suitable for external lighting facilities requiring waterproof or weatherproof protection, street lights, irrigation machine, solar equipment, outdoor LED display, garden lights, outdoor flood lights, landscape lights, underground electrical and more.

## Product Details

- **Material:** Plastic
- **Brand:** Helunsi
- **Colour:** Black-2pcs
- **Style:** Coastal
- **Product dimensions:** 3.2D x 6.9W x 3.2H centimeters

## Images

![Helunsi Waterproof IP68 External Junction Box, 2 Way Plug Line M20 Coaxial Cable Connector Wire Range 5 to 15mm Outdoor External Electric Power Cord Boxes (Black-2pcs) - Image 1](https://m.media-amazon.com/images/I/61iT9PHVtIL.jpg)
![Helunsi Waterproof IP68 External Junction Box, 2 Way Plug Line M20 Coaxial Cable Connector Wire Range 5 to 15mm Outdoor External Electric Power Cord Boxes (Black-2pcs) - Image 2](https://m.media-amazon.com/images/I/711VzSRc7NL.jpg)
![Helunsi Waterproof IP68 External Junction Box, 2 Way Plug Line M20 Coaxial Cable Connector Wire Range 5 to 15mm Outdoor External Electric Power Cord Boxes (Black-2pcs) - Image 3](https://m.media-amazon.com/images/I/61wL1UVEcQL.jpg)
![Helunsi Waterproof IP68 External Junction Box, 2 Way Plug Line M20 Coaxial Cable Connector Wire Range 5 to 15mm Outdoor External Electric Power Cord Boxes (Black-2pcs) - Image 4](https://m.media-amazon.com/images/I/81QuafdlIXL.jpg)
![Helunsi Waterproof IP68 External Junction Box, 2 Way Plug Line M20 Coaxial Cable Connector Wire Range 5 to 15mm Outdoor External Electric Power Cord Boxes (Black-2pcs) - Image 5](https://m.media-amazon.com/images/I/61ZOLHBfa+L.jpg)

## Available Options

This product comes in different **Color** options.

## Questions & Answers

**Q: What are the approximate internal dimensions of the box?**
A: Dear buyer, the internal size of this box is probably (length: 2.75in wide: 1.96in high: 0.98in), I hope this answer can help you.

**Q: Could i use this box to enclose a small electric fence charger**
A: I've never seen an electric fence charger small enough to fit in this box. I have property with a number of pastures and we use portable electric fences from time to time but the smallest of these chargers are far too large. You couldn't fit a deck of cards into this box. However, there are plenty of larger water-proof enclosures around and there are portable fence chargers that are waterproof.

**Q: What are the product exterior dimensions? not the "package" dimensions. please specify in lxwxh. thanks!**
A: Dear customer
Hello, thank you for your question. 
The internal dimensions of our waterproof box: L = 71mm / 2.8in; W = 49mm / 1.9in; H = 30mm / 1.18in, the external dimensions L = 125mm / 4.9in; W = 69mm / 2.72in. For detailed product dimensions, please see our 8th picture.
Hope our answer can help you, thank you for coming.

**Q: What type plastic is it made of?**
A: Dear Customer, Helunsi waterproof external junction box are made of PC(Polycarbonate) plastic.

## Frequently Bought Together

- Helunsi 2 Pieces Waterproof IP68 External Junction Box, 2 Way Outdoor Junction Box, Underground Plug Line Coaxial Cable Connector Wire Range 5 to 15mm Electrical Power Cord Weatherproof Boxes - Black
- Helunsi 2 Pcs Waterproof Junction Box 3 Way, IP68 External Waterproof Electrical Junction Box, Black Underground Junction Box Outdoor Cable Connector, for Diameter 5mm -14mm Wire Gland (Larger)
- Junction Box Outdoor Waterproof IP68, 2Way M20, Electrical Boxes Extension Cord Repair kit Coaxial Underground Cable Connector 2PCS

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*Product available on Desertcart Japan*
*Store origin: JP*
*Last updated: 2026-02-06*