--- product_id: 143912268 title: "2pcs 40/30 Amp Waterproof Relay Switch 12AWG Harness Set with Built-in Diode- 12V DC 4-Pin SPST Automotive Relays Hot Wires" brand: "gebildet" price: "177 Lei" currency: RON in_stock: true category: "Gebildet" url: https://www.desertcart.ro/products/143912268-2pcs-40-30-amp-waterproof-relay-switch-12awg-harness-set store_origin: RO region: Romania --- # 40A high current rating Waterproof reliability Pre-wired 12AWG harness 2pcs 40/30 Amp Waterproof Relay Switch 12AWG Harness Set with Built-in Diode- 12V DC 4-Pin SPST Automotive Relays Hot Wires **Brand:** gebildet **Price:** 177 Lei **Availability:** ✅ In Stock ## Summary > ⚙️ Drive with confidence—rely on Gebildet’s waterproof power relay! ## Quick Answers - **What is this?** 2pcs 40/30 Amp Waterproof Relay Switch 12AWG Harness Set with Built-in Diode- 12V DC 4-Pin SPST Automotive Relays Hot Wires by gebildet - **How much does it cost?** 177 Lei with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.ro](https://www.desertcart.ro/products/143912268-2pcs-40-30-amp-waterproof-relay-switch-12awg-harness-set) ## Best For - gebildet enthusiasts ## Why This Product - Trusted gebildet brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Plug & Play Precision:** Comes with a heavy-duty 12AWG pre-wired harness for quick, professional installation. - • **Smart Protection Inside:** Integrated diode suppresses voltage spikes, safeguarding your vehicle’s electronics. - • **Engineered for Endurance:** Rated for 10 million mechanical operations and 100,000 electrical cycles—built to last. - • **Power That Packs a Punch:** Handles up to 40 amps, perfect for demanding automotive electrical loads. - • **Built to Brave the Elements:** IP-grade waterproof design ensures flawless performance rain or shine. ## Overview The Gebildet 2pcs 40/30 Amp Waterproof Relay Switch Set features robust 12V DC 4-pin SPST relays with a heavy-duty 12AWG pre-wired harness and built-in diode protection. Designed for automotive use, these relays deliver up to 40 amps of switching current, operate reliably across extreme temperatures (-40 to +125°C), and boast exceptional durability with millions of mechanical cycles. Their waterproof construction and integrated voltage spike suppression make them an essential upgrade for professionals seeking dependable, long-lasting electrical control in any weather. ## Description Specifications: Coil voltage: 12 V DC Coil current: 160 mA Switching voltage: 14 V DC max. Contact current rating: - NO 40 A 14 V DC - NC 30 A 14 V DC Ambient temperature: -40 ~ +125 degrees C (no condensation) Initial contact resistance (at 6 VDC 1 A): 50 mΩ max. Initial insulation resistance: 100 MΩ min. (DC 500 V) Initial dielectric strength: - Between open contacts: AC 500 V, 50/60 Hz 1 min. - Between coil and contact: AC 500 V, 50/60 Hz 1 min. Durability (operations): - Mechanical (at 7,200 operations/h): 10,000,000 - Electrical (at 600 operations/h): 100,000 Please note: --- Easy to install – No instructions were included – You need to have some basic electrical knowledge. --- For your own safety and the safety of others, please have the device installed by professional technicians. ## Features - ✪ Waterproof automotive relay with 12V DC (max. 14V). Note: 12V and 14V are coil voltages, not the voltage that triggers the switch. - ✪ Wire specifications: Black - Ground (85), Red - VDC (30), White - Trigger (86), and Blue - Output - N/O (87) - ✪ Excellent waterproof performance, high quality in all weather conditions - ✪ Pre-wired harness - Heavy-duty 12AWG wire harness. - ✪ Integrated diode: Each relay features a built-in diode that suppresses the induced voltage during switching, protecting your electrical components from potential damage. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07TWC48QW | | Best Sellers Rank | 3,964 in Automotive ( See Top 100 in Automotive ) 7 in Car Relays | | Brand | Gebildet | | Coil Resistance | 75 Ohms | | Coil Voltage | 12 Volts (DC) | | Connector Type | Plug-In | | Contact Current Rating | 30 Amps | | Contact Material | Silver Cadmium Oxide | | Contact Type | Spst | | Country Of Origin | China | | Current Rating | 40 Amps | | Customer Reviews | 4.6 4.6 out of 5 stars (439) | | Global Trade Identification Number | 08431248938183 | | Manufacturer | Gebildet | | Manufacturer Part Number | DE260 | | Minimum Switching Voltage | 12 Volts (DC) | | Mounting Type | Screw Mount | | Number of Items | 2 | | Number of Packs | 2 | | Operation Mode | Automatic | | Specification Met | IEC/EN 60947 | | Wattage | 1.92 watts | ## Product Details - **Connector type:** Plug-In - **Contact material:** Silver Cadmium Oxide - **Contact type:** Spst - **Current rating:** 40 Amps - **Mounting type:** Screw Mount ## Images ![2pcs 40/30 Amp Waterproof Relay Switch 12AWG Harness Set with Built-in Diode- 12V DC 4-Pin SPST Automotive Relays Hot Wires - Image 1](https://m.media-amazon.com/images/I/61WB04FcLFL.jpg) ![2pcs 40/30 Amp Waterproof Relay Switch 12AWG Harness Set with Built-in Diode- 12V DC 4-Pin SPST Automotive Relays Hot Wires - Image 2](https://m.media-amazon.com/images/I/41Cv9ypneIL.jpg) ![2pcs 40/30 Amp Waterproof Relay Switch 12AWG Harness Set with Built-in Diode- 12V DC 4-Pin SPST Automotive Relays Hot Wires - Image 3](https://m.media-amazon.com/images/I/41ZJxBzeaXL.jpg) ![2pcs 40/30 Amp Waterproof Relay Switch 12AWG Harness Set with Built-in Diode- 12V DC 4-Pin SPST Automotive Relays Hot Wires - Image 4](https://m.media-amazon.com/images/I/51cgO7qjiLL.jpg) ![2pcs 40/30 Amp Waterproof Relay Switch 12AWG Harness Set with Built-in Diode- 12V DC 4-Pin SPST Automotive Relays Hot Wires - Image 5](https://m.media-amazon.com/images/I/512icwzL7oL.jpg) ## Available Options This product comes in different **Style** options. --- ## 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.ro/products/143912268-2pcs-40-30-amp-waterproof-relay-switch-12awg-harness-set](https://www.desertcart.ro/products/143912268-2pcs-40-30-amp-waterproof-relay-switch-12awg-harness-set) --- *Product available on Desertcart Romania* *Store origin: RO* *Last updated: 2026-10-11*