---
product_id: 142298322
title: "Waterproof IP68 External Junction Box, 2 Way Plug Line M20 Coaxial Cable Conn..."
brand: "helunsi"
price: "€ 56.46"
currency: EUR
in_stock: true
category: "Helunsi"
url: https://www.desertcart.at/products/142298322-waterproof-ip68-external-junction-box-2-way-plug-line-m20
store_origin: AT
region: Austria
---

# Supports up to 450V & 24A IP68 Waterproof rating Easy screw-in installation Waterproof IP68 External Junction Box, 2 Way Plug Line M20 Coaxial Cable Conn...

**Brand:** helunsi
**Price:** € 56.46
**Availability:** ✅ In Stock

## Summary

> 💼 Secure your outdoor connections like a pro — because your setup deserves zero downtime.

## Quick Answers

- **What is this?** Waterproof IP68 External Junction Box, 2 Way Plug Line M20 Coaxial Cable Conn... by helunsi
- **How much does it cost?** € 56.46 with free shipping
- **Is it available?** Yes, in stock and ready to ship
- **Where can I buy it?** [www.desertcart.at](https://www.desertcart.at/products/142298322-waterproof-ip68-external-junction-box-2-way-plug-line-m20)

## 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 Endure:** High-quality PC plastic housing resists corrosion, cracking, and fading even in harsh climates.
- • **Effortless Installation:** Screw-in design with detachable cover and silicone gasket ensures a secure, watertight seal in minutes.
- • **Multi-Use Outdoor Protection:** Ideal for street lights, solar panels, pool audio, garden lighting, and underground wiring.
- • **Ultimate Weatherproof Shield:** IP68 rating guarantees dust, moisture, and UV resistance for worry-free outdoor use.
- • **Versatile Cable Compatibility:** Accommodates cables from 5mm to 15mm with three silicone seal options for a perfect fit.

## Overview

The Helunsi IP68 Waterproof External Junction Box is a durable, weatherproof 2-way junction box designed for outdoor and underground electrical connections. Featuring an IP68 rating, it protects cables from water, dust, and UV exposure. Made from corrosion-resistant PC plastic with a silicone gasket, it supports cables sized 5-15mm and handles up to 450V and 24A. Easy to install with included mounting hardware, it’s perfect for a wide range of outdoor applications including lighting, irrigation, solar, and pool audio systems.

## Description

Helunsi IP68 Waterproof External Junction Box, 2 Way Outdoor Junction Box | 2 Pack Underground Wiring Coaxial Cable Connector, Wire Range 5 to 15mm Electrical Power Cord Weatherproof Boxes - Black - desertcart.com

## Features

- IP68 Waterproof >>> The Helunsi outdoor junction box boasts an IP68 high-level waterproof rating, delivering superior weatherproof, moisture-proof, dust-proof, and anti-UV performance. As a reliable outdoor junction box, it is safe for use in direct sunlight, wet environments, rain, or snow, providing full protection for your connected cables.
- High-Quality Materials >>> This waterproof electrical junction box features excellent sealing performance with a high-quality PC plastic housing and a waterproof silicone gasket. It will not crack or fade in harsh environments. Highly corrosion- and high-temperature-resistant, this durable electrical junction box is built for years of reliable use.
- Specification >>> Pack of 2. Internal dimensions: L 2.83 x W 1.89 x H 1.26 in. External dimensions: L 5.31 x W 2.72 x H 1.38 in. This 2-way junction box features one input and one output. The conduit cable gland includes 3 sets of silicone seals of different thicknesses, with an applicable cable size range of: 3/16" to 11/32", 11/32" to 15/32", 15/32" to 19/32" (5-9mm / 9-12mm / 12-15mm). Comes with 3 screw terminal connectors and a mounting kit. Maximum voltage: AC 450V. Maximum current: 24A.
- Easy to Install >>> This underground electrical junction box can be installed underground or on the wall, horizontally or vertically, serving as both an indoor and outdoor junction box. Tighten the exterior screws with a screwdriver to achieve a complete seal. It comes with a detachable cover, and the waterproof silicone gasket ensures a precise fit. By rotating and tightening the cable gland nuts at both ends, you can securely lock and seal the cables in this waterproof cable box.
- Wide Applications >>> Our Helunsi IP68 waterproof external junction box will protect connections for outdoor electrical appliances and wiring. It is suitable for external lighting facilities requiring weatherproof protection, such as street lights, irrigation systems, solar equipment, outdoor LED displays, garden lights, flood lights, landscape lights, pool light wiring assemblies, underground junction box wiring, and more.

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07TGHYQF4 |
| Best Sellers Rank | #44,433 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #108 in Electrical Boxes |
| Brand Name | Helunsi |
| Color | Black-2pcs |
| Customer Reviews | 4.4 4.4 out of 5 stars (874) |
| Finish Type | PC housing |
| Global Trade Identification Number | 08414741210536 |
| Included Components | 2 x electrical junction box |
| Installation Type | Screw-In |
| Item Dimensions D x W x H | 1.26"D x 2.72"W x 1.26"H |
| Item Highlight | 2 Pack Underground Wiring Coaxial Cable Connector, Wire Range 5 to 15mm Electrical Power Cord Weatherproof Boxes - Black |
| Item Weight | 0.3 kg |
| Manufacturer | Helunsi |
| Material | Plastic |
| Model Number | M686-2 |
| Number of Items | 2 |
| Part Number | AST003--2pcs |
| Specification Met | Ip68 |
| Style | waterproof ip68 external junction box |
| Unit Count | 2 Count |

## Product Details

- **Brand:** Helunsi
- **Color:** Black-2pcs
- **Material:** Plastic
- **Product Dimensions:** 1.26"D x 2.72"W x 1.26"H
- **Style:** waterproof ip68 external junction box

## Images

![Waterproof IP68 External Junction Box, 2 Way Plug Line M20 Coaxial Cable Conn... - Image 1](https://m.media-amazon.com/images/I/61iT9PHVtIL.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 Austria*
*Store origin: AT*
*Last updated: 2026-10-11*