--- product_id: 547571697 title: "A3144 3144E OH3144E Hall Effect Sensor,Magnetic Detector Hall Effect Sensor Switches High Sensitivity For Measuring Magnetic Field Strength(Pack of 30pcs)" brand: "daokai" price: "63 zł" currency: PLN in_stock: true reviews_count: 5 url: https://www.desertcart.pl/products/547571697-a3144-3144e-oh3144e-hall-effect-sensor-magnetic-detector-hall-effect store_origin: PL region: Poland --- # 24V power supply voltage High sensitivity & fast response Wide operating temp -40°C to 150°C A3144 3144E OH3144E Hall Effect Sensor,Magnetic Detector Hall Effect Sensor Switches High Sensitivity For Measuring Magnetic Field Strength(Pack of 30pcs) **Brand:** daokai **Price:** 63 zł **Availability:** ✅ In Stock ## Summary > 🎯 Detect the future with precision and power! ## Quick Answers - **What is this?** A3144 3144E OH3144E Hall Effect Sensor,Magnetic Detector Hall Effect Sensor Switches High Sensitivity For Measuring Magnetic Field Strength(Pack of 30pcs) by daokai - **How much does it cost?** 63 zł with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.pl](https://www.desertcart.pl/products/547571697-a3144-3144e-oh3144e-hall-effect-sensor-magnetic-detector-hall-effect) ## Best For - daokai enthusiasts ## Why This Product - Trusted daokai brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Bulk Pack Advantage:** 30 sensors in one pack—perfect for prototyping, scaling, or keeping your inventory ready. - • **Precision Meets Power:** Operates seamlessly from 4.5V up to 24V for versatile industrial and automotive use. - • **Plug & Play Confidence:** Open collector output compatible with digital logic, simplifying integration into your systems. - • **Built to Brave Extremes:** Withstands harsh environments from -40°C to 150°C, ensuring reliability when it matters most. - • **Lightning-Fast Detection:** Instant magnetic field sensing with high sensitivity for flawless performance in your projects. ## Overview The A3144 Hall Effect Sensor is a compact, high-sensitivity magnetic detector designed for industrial, automotive, and hobbyist applications. Operating reliably across a wide temperature range (-40°C to 150°C) and supporting up to 24V power supply, it delivers fast, accurate digital output with solid-state durability. This pack of 30 sensors offers excellent value for professionals seeking dependable, spark-free, contactless magnetic switching. ## Description The A3144 is a digital output hall sensor, which means if it detects a magnet, the output will go low, otherwise the output will remain high. Specification: Power supply voltage VCC: 24V; Output reverse breakdown voltage Vce: 50V; Output low current IOL: 50mA Limit parameters (25 degrees Celsius); Storage temperature range TS: -65~150 degrees Celsius Working temperature TA: E: -20~85 degrees Celsius L: -40~150 degrees Celsius Function of the A3144 Hall Effect Sensor 1.Extreme stability and temperature characteristics for automotive or industrial applications 2.4.5 V to 24 V operating voltage...requires regulated power supply only 3.Open collector 25 mA output...compatible with digital logic 4.Battery reverse connection protection 5.Can detect small permanent magnets sold on the market 6.Solid state reliability 7.Small volume 8.Resistance to physical stress Package includes: 30 x A3144 3144E OH3144E Hall Effect Sensor Switches Review: トレーニングマシン自分で治る。 - トレイニングマシンが壊れましたので調べたところ磁気トランジスターの不良とわかりましたのでA3144トランジスターがdesertcartに有りましたので取替てなおりました。 故障内容は最初の10秒ぐらいは動くけどすぐに動かなくなる。 Review: Works as intended ## Features - Specifications: 24V Power supply voltage VCC; 50V output reverse breakdown voltage VCE; 50mA output low current IOL;Operating temperature TA: E:-20 ~ 85 Celsius degree, L: -40 ~ 150 Celsius degree; Storage temperature range TS: -65 ~ 150 Celsius degree. - Product features: Small size, high sensitivity, fast response, good temperature performance, high accuracy, high reliability.Details: https://bit.ly/4dxMq07 - Description: A3144 Hall sensor is non-contact, there is no spark in the switching state, no interference, long service life, high sensitivity, and has a wide range of applications. - Application: The switches are suitable for Contactless switch，electronic toys, sports equipment, etc; Stability for industrial or automotive applications operation, works with most unregulated supplies. - Package includes: You will get 30 x A3144 3144E OH3144E Hall Effect Sensor Switches. ## Technical Specifications | Specification | Value | |---------------|-------| | ASIN | B0C13C4NW5 | | Best Sellers Rank | 28,992 in Business, Industry & Science ( See Top 100 in Business, Industry & Science ) 9 in Hall Effect Sensors | | Brand | DAOKAI | | Circuit Breaker Type | Standard | | Circuit breaker type | Standard | | Current Rating | 50 Amps | | Current rating | 50 Amps | | Customer Reviews | 4.6 out of 5 stars 34 Reviews | | Included Components | 30 x A3144 Hall Effect Sensors | | Manufacturer | DAOKAI | | Manufacturer Part Number | WE-DA-239 | | Model Number | WE-DA-239 | | Mounting Type | Clip-in holder, DIN rail mounting | | Mounting type | Clip-in holder, DIN rail mounting | | Number of Poles | 1 | | Number of poles | 1 | | Unit Count | 30.0 Count | | Voltage | 24 Volts, 50 Volts | ## Product Details - **Brand:** DAOKAI - **Circuit breaker type:** Standard - **Current rating:** 50 Amps - **Mounting type:** Clip-in holder, DIN rail mounting - **Number of poles:** 1 ## Images ![A3144 3144E OH3144E Hall Effect Sensor,Magnetic Detector Hall Effect Sensor Switches High Sensitivity For Measuring Magnetic Field Strength(Pack of 30pcs) - Image 1](https://m.media-amazon.com/images/I/61EPXoXBt5L.jpg) ## Customer Reviews ### ⭐⭐⭐⭐⭐ トレーニングマシン自分で治る。 *by Ｄ***バ on 7 December 2025* トレイニングマシンが壊れましたので調べたところ磁気トランジスターの不良とわかりましたのでA3144トランジスターがAmazonに有りましたので取替てなおりました。 故障内容は最初の10秒ぐらいは動くけどすぐに動かなくなる。 ### ⭐⭐⭐⭐⭐ Works as intended *by R***R on 24 December 2025* ### ⭐⭐⭐⭐⭐ Simple and Just Works! *by H***E on 24 August 2025* ## Frequently Bought Together - DAOKAI A3144 3144E OH3144E Hall Effect Sensor,Magnetic Detector Hall Effect Sensor Switches High Sensitivity For Measuring Magnetic Field Strength(Pack of 30pcs) - Innfeeltech 100 Pcs 1/4W 1% Tolerance 10KΩ Metal Film Resistor Resistance for DIY Project and Experiments --- ## 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.pl/products/547571697-a3144-3144e-oh3144e-hall-effect-sensor-magnetic-detector-hall-effect](https://www.desertcart.pl/products/547571697-a3144-3144e-oh3144e-hall-effect-sensor-magnetic-detector-hall-effect) --- *Product available on Desertcart Poland* *Store origin: PL* *Last updated: 2026-04-27*