--- product_id: 218731374 title: "SP21 2Pin-12Pin Panel Mount 21mm Waterproof Circular Electrical Wire Connectors,Aviation Cable Connectors (2Pin, Plug Male & Socket Female)" brand: "szjelen" price: "€ 17.12" currency: EUR in_stock: true reviews_count: 10 category: "Szjelen" url: https://www.desertcart.fr/products/218731374-sp21-2pin-12pin-panel-mount-21mm-waterproof-circular-electrical-wire store_origin: FR region: France --- # 30A / 500V High Current & Voltage IP67 Waterproof Seal 21mm Thread Diameter Screw Lock SP21 2Pin-12Pin Panel Mount 21mm Waterproof Circular Electrical Wire Connectors,Aviation Cable Connectors (2Pin, Plug Male & Socket Female) **Brand:** szjelen **Price:** € 17.12 **Availability:** ✅ In Stock ## Summary > 🔌 Connect Like a Pro — Waterproof, Powerful, Perfected. ## Quick Answers - **What is this?** SP21 2Pin-12Pin Panel Mount 21mm Waterproof Circular Electrical Wire Connectors,Aviation Cable Connectors (2Pin, Plug Male & Socket Female) by szjelen - **How much does it cost?** € 17.12 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.fr](https://www.desertcart.fr/products/218731374-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 - • **Precision Engineering:** 21mm threaded design with brass contacts for secure, corrosion-resistant connections. - • **Versatile Pin Options:** Choose from 2 to 12 pins to perfectly match your wiring needs across industries. - • **Trusted Industrial Grade:** Certified CE, IEC, and UL standards for professional-grade performance and safety. - • **Power Through with Confidence:** Handles up to 30 Amps and 500 Volts AC for demanding electrical setups. - • **Unrivaled Waterproof Protection:** IP67 rating ensures your connections stay dry and reliable in any environment. ## Overview The SP21 series 2Pin-12Pin panel mount circular connectors deliver IP67 waterproof protection and robust electrical performance with a 30A/500V rating. Featuring durable brass contacts and a secure 21mm threaded locking mechanism, these aviation-grade connectors are engineered for demanding industrial, medical, and communication applications. Certified to CE, IEC, and UL standards, they ensure reliable, corrosion-resistant connections in harsh environments. ## 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: Great Value - Nice little water resistant bulkhead connector at a very reasonable price. Well constructed with o-rings at all joints. Review: 2 pin connector - 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 : SP21-2Pin 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 | B07YWLM511 | | Amperage | 30 Amps | | Best Sellers Rank | #1,137 in Audio & Video Connectors & Adapters | | Brand Name | SZJELEN | | Color | Plug Male & Socket Female | | Connector Type | 2pin-12pin | | Customer Reviews | 4.3 4.3 out of 5 stars (137) | | Item Weight | 0.64 Ounces | | Manufacturer | SZJELEN | | Material Type | Brass, Plastic | | Number Of Wires | 2 | | Number of Poles | 2 | | Plug Type | Type A | | Specification Met | CE, IEC, UL | | UPC | 729257496106 | ## Product Details - **Brand:** SZJELEN - **Color:** Plug Male & Socket Female - **Connector Type:** 2pin-12pin - **Material:** Brass, Plastic - **Number Of Poles:** 2 ## Images ![SP21 2Pin-12Pin Panel Mount 21mm Waterproof Circular Electrical Wire Connectors,Aviation Cable Connectors (2Pin, Plug Male & Socket Female) - Image 1](https://m.media-amazon.com/images/I/51rm0vgnzkL.jpg) ## Available Options This product comes in different **Color, Size** options. ## Questions & Answers **Q: How will the bulkhead connector hold up to alcohol based fluids like ethanol?** A: I don't know, but doesn't the alcohol come in a plastic bottle? **Q: Are the nuts and screws that come with this stainless steel?** A: No **Q: Will these work for a 12v 30amp application? i see a qc rating of 500v/ 30a but not sure how this translates to dc.** A: I would say so, since I am connected and draw about 25A at 12 volts without any heat being developed. Just use a wire rated for more than 30A **Q: How can you solder to the back of the male part you cannot reach it?** A: Twist the plug shell, then put the shell into the cable and solder the cable, and finally twist it back to install the shell ## Customer Reviews ### ⭐⭐⭐⭐⭐ Great Value *by P***X on December 13, 2025* Nice little water resistant bulkhead connector at a very reasonable price. Well constructed with o-rings at all joints. ### ⭐⭐⭐⭐⭐ 2 pin connector *by R***. on December 11, 2025* Well made and works as advertised. I purchased the 2-pin version. Will buy again but with other pin styles. ### ⭐⭐⭐⭐ A little more work but worth it *by R***S on September 9, 2025* We'll have to solder wires to pins just for your information ## Frequently Bought Together - SZJELEN SP21 2Pin-12Pin Panel Mount 21mm Waterproof Circular Electrical Wire Connectors,Aviation Cable Connectors (2Pin, Plug Male & Socket Female) - SZJELEN SP21 2Pin~12Pin Panel Mount 21mm Connector,Aviation Cable Connector,IP67 Outdoor Waterproof Electrical Plug and Socket (2Pin) - 18 Gauge 2 Conductor PVC Cord, Oxygen-Free Copper Cable, 50FT Pure Copper Electrical Wire for LED Lamp Lighting Strips, Automotive --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.fr/products/218731374-sp21-2pin-12pin-panel-mount-21mm-waterproof-circular-electrical-wire](https://www.desertcart.fr/products/218731374-sp21-2pin-12pin-panel-mount-21mm-waterproof-circular-electrical-wire) --- *Product available on Desertcart France* *Store origin: FR* *Last updated: 2026-04-23*