--- product_id: 72748850 title: "Coolais2 Pcs Metal Push Button Switch Momentary Screw Terminal Waterproof Push Start Button 12mm 3A 250VAC PBSM-03 (Flat Head)" brand: "coolais" price: "Β£14.33" currency: GBP in_stock: true reviews_count: 8 url: https://www.desertcart.co.uk/products/72748850-coolais2-pcs-metal-push-button-switch-momentary-screw-terminal-waterproof store_origin: GB region: United Kingdom --- # 3A / 250VAC IP67 Waterproof IK10 Protection Coolais2 Pcs Metal Push Button Switch Momentary Screw Terminal Waterproof Push Start Button 12mm 3A 250VAC PBSM-03 (Flat Head) **Brand:** coolais **Price:** Β£14.33 **Availability:** βœ… In Stock ## Summary > πŸ”˜ Push the Limits of Performance! ## Quick Answers - **What is this?** Coolais2 Pcs Metal Push Button Switch Momentary Screw Terminal Waterproof Push Start Button 12mm 3A 250VAC PBSM-03 (Flat Head) by coolais - **How much does it cost?** Β£14.33 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.co.uk](https://www.desertcart.co.uk/products/72748850-coolais2-pcs-metal-push-button-switch-momentary-screw-terminal-waterproof) ## Best For - coolais enthusiasts ## Why This Product - Trusted coolais brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Peace of Mind:** Comes with a 3-Year Warranty for worry-free usage. - β€’ **Unmatched Durability:** IP67 & IK10 rated for ultimate protection in any environment. - β€’ **Versatile Applications:** Perfect for boat horns, starter switches, and more. - β€’ **Effortless Installation:** Screw terminal design for quick and easy setup. - β€’ **User-Friendly Operation:** Momentary switch for intuitive on/off control. ## Overview The Coolais 2 Pcs Metal Push Button Switch is a robust, momentary switch designed for demanding environments. With a 12mm mounting hole, IP67 waterproof rating, and IK10 impact protection, it ensures reliable operation in wet or dusty conditions. Rated for 3A at 250VAC, this switch is ideal for various applications, including boat horns and starter switches, and features a user-friendly screw terminal for easy installation. Plus, it comes with a 3-Year Warranty for added assurance. ## Description Description: * Product Name: Waterproof and Rustproof Push Button Switch Momentary with Screw Terminal * Color: Silver * Material: nickel plated brass + stainless steel * Head Shape: high head / flat head for your choice * Head Diameter: 9/16" (14mm) * Mounting Hole Size: 1/2" (12mm) * Terminal Type: screw terminal * Operation Type: Momentary * Switch Max Rating: 5A/250VAC * Protection Level: IP67, IK10 * Operation Temperature: -20℃ to +55℃ * Contact Resistance: ≀50mΞ© * Insulation Resistance: β‰₯1000mΞ© * Mechanical life: >500,000 times * Electrical life: >50,000 times Package includes: 1. 2 x Metal Push Button Switch 2. The using guide is NOT included, this product is recommended to professional users. But if you meet any problem during operation, please feel free to contact us. We will reply you within 24 hours. Notes: 1.These switches come with a rubber O-ring which makes them splash resistant but they can NOT be submerged in the water. 2.Please allow 1-3mm error due to manual measurement. Thanks for your understanding. 3.We are committed to provide our customers with good products and excellent after-sales service. Should you have any problem, please feel free to contact us. We will solve all problems for you. ## Features - 2 pcs screw terminal momentary button 12mm with IP67 & IK10 protection: waterproof and rustproof, can be used in wet or dusty environment - Push button on/off switch operation type: Momentary (continuously press the button –>ON, hand away the button–>OFF) - Momentary switches mounting hole: 12mm; Rated current and voltage: 3A / 250VAC. - 12mm push button terminal type: screw terminal. Make it easy to install and disassembling. - 3-Year Warranty!!! This 2 terminal push button switch is a best choice for boat horns, starter switches, and other applications in which temporary activation of an electrical current is desired. ## Images ![Coolais2 Pcs Metal Push Button Switch Momentary Screw Terminal Waterproof Push Start Button 12mm 3A 250VAC PBSM-03 (Flat Head) - Image 1](https://m.media-amazon.com/images/I/61Fy5Nz0JfL.jpg) ![Coolais2 Pcs Metal Push Button Switch Momentary Screw Terminal Waterproof Push Start Button 12mm 3A 250VAC PBSM-03 (Flat Head) - Image 2](https://m.media-amazon.com/images/I/61OctkOzx0L.jpg) ![Coolais2 Pcs Metal Push Button Switch Momentary Screw Terminal Waterproof Push Start Button 12mm 3A 250VAC PBSM-03 (Flat Head) - Image 3](https://m.media-amazon.com/images/I/619rbkn0wNL.jpg) ![Coolais2 Pcs Metal Push Button Switch Momentary Screw Terminal Waterproof Push Start Button 12mm 3A 250VAC PBSM-03 (Flat Head) - Image 4](https://m.media-amazon.com/images/I/51HfG1nLQdL.jpg) ![Coolais2 Pcs Metal Push Button Switch Momentary Screw Terminal Waterproof Push Start Button 12mm 3A 250VAC PBSM-03 (Flat Head) - Image 5](https://m.media-amazon.com/images/I/61zknT6WrtL.jpg) ## Available Options This product comes in different **Pattern Name** options. ## Customer Reviews ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars Inexpensive, well constructed temporary switch...as advertised. *by B***Y on Reviewed in the United States on October 30, 2021* Installed on experimental aircraft as a trigger for go around on IFR approach. Solid performance so far and can't beat the price. ### ⭐⭐⭐⭐⭐ 5.0 out of 5 stars Nice mini PB *by P***R on Reviewed in the United States on July 28, 2023* Nice having screw terminal instead of solder post ### ⭐⭐⭐⭐ 4.0 out of 5 stars Not bad... not super crisp feeling. *by L***Y on Reviewed in the United States on July 3, 2020* We used these to repair an electric loft chair... they feel a bit spongy but not terrible. Not bad for the money. --- ## Why Shop on Desertcart? - πŸ›’ **Trusted by 1.3+ Million Shoppers** β€” Serving international shoppers since 2016 - 🌍 **Shop Globally** β€” Access 737+ million products across 21 categories - πŸ’° **No Hidden Fees** β€” All customs, duties, and taxes included in the price - πŸ”„ **15-Day Free Returns** β€” Hassle-free returns (30 days for PRO members) - πŸ”’ **Secure Payments** β€” Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** β€” Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.co.uk/products/72748850-coolais2-pcs-metal-push-button-switch-momentary-screw-terminal-waterproof](https://www.desertcart.co.uk/products/72748850-coolais2-pcs-metal-push-button-switch-momentary-screw-terminal-waterproof) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-05-18*