--- product_id: 71447528 title: "TWTADE 2Pcs 500K Ohm Single Linear Taper Dimmer Potentiometer with on/Off Switch + 2pcs Black Aluminum Alloy knob" brand: "twtade" price: "£10.65" currency: GBP in_stock: true reviews_count: 8 category: "Twtade" url: https://www.desertcart.co.uk/products/71447528-twtade-2pcs-500k-ohm-single-linear-taper-dimmer-potentiometer-on store_origin: GB region: United Kingdom --- # 500K Ohm precision resistance Single linear taper for smooth control Integrated on/off switch TWTADE 2Pcs 500K Ohm Single Linear Taper Dimmer Potentiometer with on/Off Switch + 2pcs Black Aluminum Alloy knob **Brand:** twtade **Price:** £10.65 **Availability:** ✅ In Stock ## Summary > 🎛️ Elevate your control game with precision and style! ## Quick Answers - **What is this?** TWTADE 2Pcs 500K Ohm Single Linear Taper Dimmer Potentiometer with on/Off Switch + 2pcs Black Aluminum Alloy knob by twtade - **How much does it cost?** £10.65 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/71447528-twtade-2pcs-500k-ohm-single-linear-taper-dimmer-potentiometer-on) ## Best For - twtade enthusiasts ## Why This Product - Trusted twtade brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Smooth Linear Taper:** Experience seamless dimming and volume adjustments with a single linear taper design. - • **Built-in On/Off Switch:** Convenient toggle functionality integrated directly into the potentiometer for effortless control. - • **Durable Carbon Composition:** Robust carbon technology ensures long-lasting performance under demanding conditions. - • **Premium Aluminum Alloy Knobs:** Sleek black knobs provide a professional finish and tactile feedback for enhanced user experience. - • **Precision 500K Ohm Resistance:** Engineered for exact control and reliability in your audio or electronic projects. ## Overview The TWTADE 2Pcs 500K Ohm Single Linear Taper Dimmer Potentiometer set features high-precision carbon composition resistors with an integrated on/off switch and premium black aluminum alloy knobs. Designed for durability and smooth operation, these potentiometers are ideal for audio equipment, lab instruments, and DIY electronics, delivering reliable performance and a professional aesthetic. ## Description About us Our company's principle is "service first, quality first". Our products include relays, potentiometers, rocker switches, tactile switches, toggle switches, selector switches, emergency stop switches, limit switches, push button switches, thermocouples, counters, etc. About us Our company's principle is "service first, quality first". Our products include relays, potentiometers, rocker switches, tactile switches, toggle switches, selector switches, emergency stop switches, limit switches, push button switches, thermocouples, counters, etc. Potentiometer Visit the Store Potentiometer Visit the Store Valve Core Visit the Store Valve Core Various Product Visit the Store Various Product Power Relay Visit the Store Power Relay Rocker Switch Visit the Store Rocker Switch Polarity Reverse Switch Visit the Store Polarity Reverse Switch Push Button Switch Visit the Store Push Button Switch Toggle Rocker Switch Visit the Store Toggle Rocker Switch Tactile Switch Visit the Store Tactile Switch Emergency Stop Switch Box Visit the Store Emergency Stop Switch Box Limit Switch Visit the Store Limit Switch Review: Sturdy 500k pot. - These are solid on/off 500k ohm potentiometers. Spec'ed right on the money using my multimeter. They're solid and have that higher quality "beefy" feeling. I needed them to repair a lab hotplate & magnetic stirrer. The original pot plastic disk that holds the knob axle & sweeps the varistor... just mashed & cracked. I have a lot more confidence in this one. The knob stem was standard, and I could use the original knob head to keep the cosmetic appearance the same. There's a nice zinc die-cast face to the potentiometer body that also has a raised standoff and anti-rotation tab if the panel surface or a PCB is slotted for it. Otherwise, you can use the extra nut & washer to space it, or easily file it down. I like having them as a pair, even though I needed only one. As I like having spares of EVERYTHING. Not a criticism, just a warning. The pot body is a bit bigger than other B500k on/off pots. It may not fit in all applications. But it fit fine for me since it's essentially a metal box with lots of free space inside. Some sort of rack audio equipment might not. Review: CALIDAD - POTENCIOMETROS DE MUY BUENA CALIDAD.496 OHMS.ROMPI EL REGULADOR DE VELOCIDAD DE UN MOTOR Y ESTE ES EL REPUESTO EXACTO,YA QUE TIENE FUNCION ON-OFF. ## Features - Product Name : Switch Carbon Potentiometer;Model : WH138 B500k ohm;Technology : Carbon Composition - Rated Power : 0.2W/0.1W;Resistance Value : 500K ohm;Shaft Diameter : 6mm / 0.24" - Shaft Length : 13.5mm / 0.53";Base Height : 18mm / 0.71" ; Knob Diameter: 21x17mm (D*H) - Base Diameter : 24mm / 0.94";Color : Black , Aerugo - Weight : 32g;Package Content : 2 x Switch Carbon Potentiometer + 2 x black Aluminum alloy knob ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07DHGCQC7 | | Batteries Included? | No | | Batteries Required? | No | | Best Sellers Rank | #41,224 in Industrial & Scientific ( See Top 100 in Industrial & Scientific ) #26 in Potentiometers | | Customer Reviews | 4.6 4.6 out of 5 stars (400) | | Date First Available | June 1, 2018 | | Is Discontinued By Manufacturer | No | | Item Package Quantity | 2 | | Item Weight | 1.76 ounces | | Item model number | 500K ohm | | Manufacturer | TWTADE | | Material | carbon | | Package Dimensions | 4.25 x 3.39 x 1.54 inches | | Part Number | 500K ohm | | Size | 500k ohm | ## Images ![TWTADE 2Pcs 500K Ohm Single Linear Taper Dimmer Potentiometer with on/Off Switch + 2pcs Black Aluminum Alloy knob - Image 1](https://m.media-amazon.com/images/I/71L-JP2j0uL.jpg) ![TWTADE 2Pcs 500K Ohm Single Linear Taper Dimmer Potentiometer with on/Off Switch + 2pcs Black Aluminum Alloy knob - Image 2](https://m.media-amazon.com/images/I/61+m8YtzUfL.jpg) ![TWTADE 2Pcs 500K Ohm Single Linear Taper Dimmer Potentiometer with on/Off Switch + 2pcs Black Aluminum Alloy knob - Image 3](https://m.media-amazon.com/images/I/71wN5eQ85fL.jpg) ![TWTADE 2Pcs 500K Ohm Single Linear Taper Dimmer Potentiometer with on/Off Switch + 2pcs Black Aluminum Alloy knob - Image 4](https://m.media-amazon.com/images/I/61dkCLrHfQL.jpg) ![TWTADE 2Pcs 500K Ohm Single Linear Taper Dimmer Potentiometer with on/Off Switch + 2pcs Black Aluminum Alloy knob - Image 5](https://m.media-amazon.com/images/I/71oq8DjpZOL.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ Sturdy 500k pot. *by A***K on August 8, 2025* These are solid on/off 500k ohm potentiometers. Spec'ed right on the money using my multimeter. They're solid and have that higher quality "beefy" feeling. I needed them to repair a lab hotplate & magnetic stirrer. The original pot plastic disk that holds the knob axle & sweeps the varistor... just mashed & cracked. I have a lot more confidence in this one. The knob stem was standard, and I could use the original knob head to keep the cosmetic appearance the same. There's a nice zinc die-cast face to the potentiometer body that also has a raised standoff and anti-rotation tab if the panel surface or a PCB is slotted for it. Otherwise, you can use the extra nut & washer to space it, or easily file it down. I like having them as a pair, even though I needed only one. As I like having spares of EVERYTHING. Not a criticism, just a warning. The pot body is a bit bigger than other B500k on/off pots. It may not fit in all applications. But it fit fine for me since it's essentially a metal box with lots of free space inside. Some sort of rack audio equipment might not. ### ⭐⭐⭐⭐⭐ CALIDAD *by A***O on July 16, 2025* POTENCIOMETROS DE MUY BUENA CALIDAD.496 OHMS.ROMPI EL REGULADOR DE VELOCIDAD DE UN MOTOR Y ESTE ES EL REPUESTO EXACTO,YA QUE TIENE FUNCION ON-OFF. ### ⭐⭐⭐⭐ A good buy for the money *by H***N on April 5, 2025* The item arrived quickly and worked. The potentiometer did not appear to be as rugged as more costly ones, and the fit was a little smaller than the one it replaced. ## Frequently Bought Together - TWTADE 2Pcs 500K Ohm Single Linear Taper Dimmer Potentiometer with on/Off Switch + 2pcs Black Aluminum Alloy knob - TWTADE / 3pcs wh138 10k ohm Potentiometer Single Turn Rotary Linear Variable Potentiometer +3pcs black Aluminum alloy knob - uxcell DC 12V 60N 10mm Stroke Push Pull Type Open Frame Solenoid Electromagnet XRN-1564T --- ## 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.co.uk/products/71447528-twtade-2pcs-500k-ohm-single-linear-taper-dimmer-potentiometer-on](https://www.desertcart.co.uk/products/71447528-twtade-2pcs-500k-ohm-single-linear-taper-dimmer-potentiometer-on) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-01*