---
product_id: 630542797
title: "SP21 2Pin-12Pin Panel Mount 21mm Waterproof Circular Electrical Wire Connectors,Aviation Cable Connectors (4Pin, Plug Male & Socket Female)"
brand: "szjelen"
price: "€ 49.17"
currency: EUR
in_stock: false
reviews_count: 5
category: "Szjelen"
url: https://www.desertcart.gr/products/630542797-sp21-2pin-12pin-panel-mount-21mm-waterproof-circular-electrical-wire
store_origin: GR
region: Greece
---

# Withstands 1500V voltage IP67 waterproof rating 30A high current capacity SP21 2Pin-12Pin Panel Mount 21mm Waterproof Circular Electrical Wire Connectors,Aviation Cable Connectors (4Pin, Plug Male & Socket Female)

**Brand:** szjelen
**Price:** € 49.17
**Availability:** ❌ Out of Stock

## Summary

> ⚡ Connect Like a Pro, Rain or Shine!

## Quick Answers

- **What is this?** SP21 2Pin-12Pin Panel Mount 21mm Waterproof Circular Electrical Wire Connectors,Aviation Cable Connectors (4Pin, Plug Male & Socket Female) by szjelen
- **How much does it cost?** € 49.17 with free shipping
- **Is it available?** Currently out of stock
- **Where can I buy it?** [www.desertcart.gr](https://www.desertcart.gr/products/630542797-sp21-2pin-12pin-panel-mount-21mm-waterproof-circular-electrical-wire)

## Best For

- szjelen enthusiasts

## Why This Product

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

## Key Features

- • **Versatile Pin Options:** Available from 2 to 12 pins to fit any complex wiring setup
- • **Secure Every Connection:** Screw locking mechanism with o-ring seals for ultimate durability
- • **Power Up with Confidence:** Handles up to 30 Amps for robust electrical performance
- • **Built to Brave the Elements:** IP67 waterproof rating ensures reliable operation in wet environments
- • **Premium Materials, Premium Performance:** Durable plastic and brass contacts for long-lasting conductivity

## Overview

The SP21 Waterproof Circular Electrical Wire Connector offers a rugged, IP67-rated waterproof design with a 21mm thread diameter, supporting 2 to 12 pins. Rated for 30A current and 1500V withstand voltage, it features brass contacts and a secure screw locking system, making it ideal for demanding industrial, telecommunications, and outdoor applications.

## Description

Aviation Connector + Socket, IP67 Waterproof, Plastic Material Brass Conatct, Solder Termination, Screw Locking.Widely used in various machine tools, locomotives, electricity, post and telecommunications, communications, navigation, instrumentation, lighting systems, medical and oil exploration and other fields. We sells all kinds of connectors, professional research and the production of photographic equipment cable. We are committed to all the products we operate are qualified, high-quality.We guarantee that every order can be successfully delivered to your hands. Please rest assured purchase.

Review: Nice little water resistant bulkhead connector at a very reasonable price. Well constructed with o-rings at all joints.
Review: Well made and works as advertised. I purchased the 2-pin version. Will buy again but with other pin styles.

## Features

- Product Name : Waterproof Wire Connector; Model : SP21-4Pin Plug and Socket; Waterproof Level : IP67
- Rated Current / Voltage : AC 500V/ 30A; Withstand Voltage : AC 1500V; Thread Diameter : 21mm
- Cable Range : 8-12mm; Terminals : 2Pin-12Pin; Soldering Pin Diameter : 3mm
- Material : Plastic, Brass; Color : Blue, Black, Gold Tone

## Technical Specifications

| Specification | Value |
|---------------|-------|
| ASIN | B07YWKNMGH |
| Amperage | 30 Amps |
| Are batteries included? | No |
| Best Sellers Rank | #215,617 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #42 in Cylindrical Connectors |
| Customer Reviews | 4.3 4.3 out of 5 stars (104) |
| Date First Available | 22 May 2024 |
| Item Weight | 18.1 g |
| Manufacturer | SZJELEN |
| No. of wires | 4 |
| Package Dimensions | 12.7 x 8.89 x 2.54 cm; 18.14 g |
| UPC | 729257496120 |

## Product Details

- **Brand:** SZJELEN
- **Colour:** Plug Male & Socket Female
- **Material:** Brass, Plastic
- **Number Of Poles:** 4
- **Voltage:** 1500 Volts

## Images

![SP21 2Pin-12Pin Panel Mount 21mm Waterproof Circular Electrical Wire Connectors,Aviation Cable Connectors (4Pin, Plug Male & Socket Female) - Image 1](https://m.media-amazon.com/images/I/61qiAjzaChL.jpg)
![SP21 2Pin-12Pin Panel Mount 21mm Waterproof Circular Electrical Wire Connectors,Aviation Cable Connectors (4Pin, Plug Male & Socket Female) - Image 2](https://m.media-amazon.com/images/I/61yTXQ027aL.jpg)
![SP21 2Pin-12Pin Panel Mount 21mm Waterproof Circular Electrical Wire Connectors,Aviation Cable Connectors (4Pin, Plug Male & Socket Female) - Image 3](https://m.media-amazon.com/images/I/51v+H-R2RaL.jpg)
![SP21 2Pin-12Pin Panel Mount 21mm Waterproof Circular Electrical Wire Connectors,Aviation Cable Connectors (4Pin, Plug Male & Socket Female) - Image 4](https://m.media-amazon.com/images/I/71ecxorzHkL.jpg)
![SP21 2Pin-12Pin Panel Mount 21mm Waterproof Circular Electrical Wire Connectors,Aviation Cable Connectors (4Pin, Plug Male & Socket Female) - Image 5](https://m.media-amazon.com/images/I/51GCFiHowJL.jpg)

## Available Options

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

## Customer Reviews

### ⭐⭐⭐⭐⭐ Review
*by P***X on 13 December 2025*

Nice little water resistant bulkhead connector at a very reasonable price. Well constructed with o-rings at all joints.

### ⭐⭐⭐⭐⭐ Review
*by R***. on 11 December 2025*

Well made and works as advertised. I purchased the 2-pin version. Will buy again but with other pin styles.

### ⭐⭐⭐⭐ Review
*by R***S on 9 September 2025*

We'll have to solder wires to pins just for your information

---

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**Shop now:** [https://www.desertcart.gr/products/630542797-sp21-2pin-12pin-panel-mount-21mm-waterproof-circular-electrical-wire](https://www.desertcart.gr/products/630542797-sp21-2pin-12pin-panel-mount-21mm-waterproof-circular-electrical-wire)

---

*Product available on Desertcart Greece*
*Store origin: GR*
*Last updated: 2026-04-26*