--- product_id: 99631828 title: "uxcell N.O. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 3pcs" brand: "uxcell" price: "Β£16.46" currency: GBP in_stock: true reviews_count: 2 category: "Uxcell" url: https://www.desertcart.co.uk/products/99631828-uxcell-n-o-recessed-wired-security-window-door-contact-sensor store_origin: GB region: United Kingdom --- # 100V voltage capacity 10mm action sensing distance 0.5A current rating uxcell N.O. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 3pcs **Brand:** uxcell **Price:** Β£16.46 **Availability:** βœ… In Stock ## Summary > πŸ” Elevate your security game with sleek, smart sensing tech! ## Quick Answers - **What is this?** uxcell N.O. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 3pcs by uxcell - **How much does it cost?** Β£16.46 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/99631828-uxcell-n-o-recessed-wired-security-window-door-contact-sensor) ## Best For - uxcell enthusiasts ## Why This Product - Trusted uxcell brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - β€’ **Energy Efficient & Safe:** Low 10W power rating keeps your system efficient without compromising performance. - β€’ **Compact & Discreet Design:** Slim 17mm x 11mm profile fits recessed installations without disrupting your aesthetic. - β€’ **Reliable Wired Connection:** 25cm cable length for flexible, secure wiring setups in your smart home or office. - β€’ **Precision Sensing Distance:** 10mm action range ensures accurate detection and minimal false alarms. - β€’ **Seamless Security Integration:** Works flawlessly with any access control or burglar alarm system for total peace of mind. ## Overview The uxcell N.O. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch RC-33 is a compact, wired magnetic sensor designed for seamless integration with any access control or burglar alarm system. Featuring a 0.5A current rating, 100V voltage capacity, and a precise 10mm sensing distance, it offers reliable, energy-efficient security monitoring in a discreet form factor. Ideal for professionals seeking dependable, low-profile security upgrades. ## Description desertcart.com : uxcell N.O. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 3pcs : Electronics Review: Wrong circuit description - These are not NO (normally open ) contacts. They are NC (normally closed). This incorrect electrical circuit description caused me to buy the wrong items. Review: DONT BUY. STOPS WORKING AFTER A FEW USES. - These are HORRIBLE. They worked just long enough for me to test and install them into my music box and now it’s stopped working all together! Just a constant complete circuit! so INCREDIBLY PISSED. ## Features - [Specification] - Current: 0.5A ; Voltage: 100V ; Power Rating: 10W; Action Distance: 10mm - [Dimension] - Cable Length: 25cm/9.8"; Total Size: 17mm x 11mm/0.67" x 0.43" (L*D) - [Widely Usedl] - This Recessed Door Contact Sensor works with any access control or burglar alarm system available - [Normally Open] - NO means Normally Open: when the magnet separates, the circuit is conductive( light on ); When the magnet together, the circuit is not conductive ( light off ). - [Note] - the Magnetic Door Switch must be installed according to the sensing distance. It can only provide a switch signal to the transmitter. It cannot directly load the power, nor directly connect the lamp! ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B07F5XGK7V | | Best Sellers Rank | #3,034 in Home Security Systems | | Customer Reviews | 2.8 2.8 out of 5 stars (10) | | Date First Available | July 1, 2018 | | Item Weight | 0.81 ounces | | Item model number | a18051500ux0007 | | Manufacturer | uxcell | | Product Dimensions | 5.51 x 3.94 x 0.39 inches | ## Images ![uxcell N.O. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 3pcs - Image 1](https://m.media-amazon.com/images/I/61FUYb9TstL.jpg) ## Customer Reviews ### ⭐ Wrong circuit description *by W***. on August 28, 2025* These are not NO (normally open ) contacts. They are NC (normally closed). This incorrect electrical circuit description caused me to buy the wrong items. ### ⭐ DONT BUY. STOPS WORKING AFTER A FEW USES. *by J***E on October 8, 2019* These are HORRIBLE. They worked just long enough for me to test and install them into my music box and now it’s stopped working all together! Just a constant complete circuit! so INCREDIBLY PISSED. ## Frequently Bought Together - uxcell N.O. Recessed Wired Security Window Door Contact Sensor Alarm Magnetic Reed Switch White RC-33 3pcs - Dairzitv Recessed NC Security Alarm Door Window Contact Sensor Magnetic Reed Switch. 3⁄4 Inch Door Contact Position Switches DCS Work with All Access Control and Burglar Alarm Systems White 5 pcs - Honeywell WAVE-2 Two Tone Siren --- ## 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/99631828-uxcell-n-o-recessed-wired-security-window-door-contact-sensor](https://www.desertcart.co.uk/products/99631828-uxcell-n-o-recessed-wired-security-window-door-contact-sensor) --- *Product available on Desertcart United Kingdom* *Store origin: GB* *Last updated: 2026-06-09*