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Industrial 220V Power Supply & Machine ON/OFF Control PCB Design I am looking for an experienced Power Electronics / PCB Design Engineer to design a compact industrial power supply and control circuit that will work with our existing IoT device. Main Requirements - Input: 220–240V AC industrial supply - Provide stable DC power to our existing IoT device - IoT device will provide the control signal for Machine ON/OFF - Circuit must safely switch/control the industrial machine using an appropriate relay/contactor/SSR or other suitable solution - The machine load current will pass through or be controlled by the designed switching section - Proper isolation between high-voltage AC and low-voltage IoT electronics - Include necessary protection: fuse, surge protection, over-current/short-circuit protection, etc. - Design should be reliable, safe, compact, and suitable for industrial continuous operation Deliverables - Complete schematic - PCB layout - BOM with available components - Gerber/manufacturing files - Design calculations and component ratings - Connection/pin diagram for integration with our existing IoT PCB Please apply only if you have practical experience designing 220V AC power supplies, industrial switching/control circuits, and PCB layouts. We will provide our existing IoT device specifications, required DC voltage/current, and machine load information to the selected freelancer.
Project ID: 40686509
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37 freelancers are bidding on average $164 USD for this job

Hi! With 10+ years of experience in power electronics, circuit design, and PCB development, my team at Integrated Technologies is well-equipped to handle your Industrial Power Control PCB. We have hands-on experience designing 220V AC power supplies and industrial switching/control circuits. We’ll implement proper HV/LV isolation, creepage/clearance, fuses, surge and overcurrent protection, and seamless IoT integration. Our PCB expertise ensures a compact, optimized, and manufacturable layout. Deliverables include complete schematics, BOM, Gerber/manufacturing files, connection/pin diagrams, and documentation. I look forward to developing this solution with you.
$250 USD in 15 days
7.6
7.6

As an accomplished Electrical/Electronics Engineer with over 8 years’ experience, I am confident in my ability to design the bespoke power control PCB you need. I have an extensive background in Circuit Design and Electrical Engineering, with a particular focus on PCB layout and Industrial solutions. Having worked on similar projects involving high-voltage AC power supplies like yours, I fully appreciate the criticality of safety, reliability, and efficiency in such designs. My proficiency with CAD tools like Eagle, Altium, KiCAD, and EasyEDA along with my certified expertise in EasyEDA makes me adept at delivering high-quality PCB layouts that accommodate even the most complex circuitry. I always ensure my designs are equipped for continuous industrial operation underlined by incorporating necessary protections such as fuses and surge protection into my designs from the beginning. Needless to say, proper isolation between different voltages is always a prime concern for me. By entrusting this project to me, your Industrial 220V Power Supply & Machine ON/OFF Control PCB will be designed to impeccable standards and supported by the relevant documentation including complete schematics, manufacturing files as well as the BOM with available components. Whether it's consultative provision or full product assembly, I’m ready to turn your ideas into reality!
$140 USD in 7 days
7.0
7.0

I am a PCB and Power Electronics Engineer with extensive experience designing isolated 220V AC-DC power supplies and safe, industrial-grade relay/SSR switching stages for heavy loads. Here is how I’ll execute your project: - Safe AC-DC Power: Compact, isolated buck/flyback supply with MOV surge protection, fuse, and EMI filtering. - Robust Load Control: High-isolation relay/SSR stage tuned precisely to your machine's inductive/resistive load type. - Full Deliverables: Schematics, PCB Layout, Gerber files, BOM with active stock parts, design calculations, and clear IoT integration wiring.
$140 USD in 7 days
6.6
6.6

Hi there, I carefully reviewed your requirements and can design the complete 220–240 V AC industrial power and machine ON/OFF control PCB for integration with your existing IoT device. I have practical experience with AC-DC power supplies, relay/contactor/SSR control, opto-isolation, MOSFET/driver stages, surge protection, fusing, reverse and over-current protection, creepage/clearance, and industrial PCB design using Altium Designer and KiCad. I can select the correct switching solution based on the actual machine load, ensure safe isolation between mains and low-voltage electronics, and design the board for reliable continuous operation in an industrial environment. You will receive the complete schematic, PCB layout, BOM with available part numbers, Gerber/manufacturing files, design calculations, component ratings, and a clear connection diagram for your IoT board. Just send me a message with the IoT power requirements and machine load details, and I can get started quickly. Best regards, Samuel tshibangu
$156 USD in 1 day
6.5
6.5

Hello, I am Muhammad Javed, an Electrical Engineer with more than 10 years of experience in power electronics, industrial control circuits, and PCB design. I can design a compact and reliable 220–240V AC power supply and machine ON/OFF control PCB integrated with your existing IoT device. I will develop the complete isolated AC-DC power section for your required DC voltage/current, along with a properly isolated machine switching stage using a relay, contactor, SSR, or other suitable device based on the actual machine load. The design will include appropriate fuse protection, surge/transient protection, over-current/short-circuit protection, creepage/clearance, isolation between mains and low-voltage electronics, and suitable component derating for continuous industrial operation. I will provide the complete schematic, professional PCB layout, BOM with practical/available components, design calculations and ratings, Gerber/manufacturing files, and a clear connection/pin diagram for integration with your IoT PCB. I will also carefully review the machine voltage, current, startup/inrush characteristics, and switching requirements before selecting the final switching components. I can start once you provide the IoT device specifications and machine load details, and I will design the PCB with safety and manufacturability as key priorities.
$250 USD in 7 days
6.1
6.1

I’m an experienced Hardware Design & PCB Engineer with practical experience in industrial and power-electronics projects, including AC/DC power supplies, high-voltage switching, protection circuits, isolation, and production-ready PCB design. For your project, I can design the complete 220–240VAC interface, including: • Isolated DC power supply for your IoT device • Safe machine ON/OFF switching using the appropriate relay/contactor/SSR based on the actual load • Fuse, surge/transient, over-current and short-circuit protection • Proper HV/LV isolation, creepage/clearance, grounding and safety considerations • Compact, reliable PCB suitable for continuous industrial operation I will provide the complete schematic, PCB layout, BOM with available components, design calculations/component ratings, Gerber files, and a clear connection diagram for integration with your existing IoT board. I have experience designing boards involving 220VAC, relays, protection circuits, ESP32/STM32-based IoT systems, and industrial interfaces. Once you provide the IoT power requirements and machine load details, I can start the design immediately. Best regards, Mahmoud Hardware Design & PCB Engineer
$140 USD in 7 days
5.6
5.6

Since 1995 I have been working on Analog and Digital Electronics to build any kind of device. I have build lots of devices. So more than 20 years of experience on Electronics. Including power supply design. Any kinds of schematic and PCB design. Expert PCB design in EasyEDA Pro IDE.
$250 USD in 7 days
5.6
5.6

Hello sir, Did go through your job description and glad to share that I have enormous experience in working with Industrial Power Control PCB Design I'm a seasoned programmer and Engineer with quality experience in Flutter, React, Node.JS, SpringBoot, Frontend and Backend Development, Python, Matlab, R studio, C, C++, C#, OpenCV, OpenGL, Tesseract OCR, google vision, Statisticaal programming/R progamming data analysis Computing for Data Analysis Time Series & Econometric, Machine learning, AI, Deep learning, Matlab and Mathematica, 3D modeling, CAD/CAM,AutoCAD, 2D, Architectural Engineering, SolidWorks, Unity 3D, AutoCAD, 2D drawing, 2D draftingPCB, Electronics, Arduino, Embedded Systems Automation, Embedded and Firmware , IOT, Electrical/Mechanical Engineering I am a TOP Rated Freelancer, and you can check my reviews here as well: https://www.freelancer.com/u/mzdesmag. Looking forward to potentially working together on this project. Thanks and Best regards, Adekunle.
$30 USD in 1 day
5.3
5.3

As a seasoned Electrical Engineer and PCB Designer, I'm no stranger to high-power industrial circuits and designing for safe, continuous operation. I've successfully executed projects in the past that involve similar specifications, and my proficiency with Odoo ERP assures you of seamless integration with your existing infrastructure. I understand the criticality of a stable power supply to your IoT device and the machine's control components. Precisely for this reason, my designs always prioritize proper isolation between high-voltage AC sources and low-voltage sections. I'll also ensure the inclusion of necessary protection mechanisms such as fuses, surge protection, over-current/short-circuit prevention measures, etc.
$140 USD in 7 days
4.8
4.8

Hi, I’ve reviewed the project details, and this is exactly the type of power electronics and industrial PCB work I handle. I have experience with AC mains, power supplies, relay/contactor control, isolation, protection circuits, and reliable PCB layouts for continuous operation. I can design the complete schematic and PCB, select suitable components, calculate the required ratings, and provide the BOM, Gerbers, and connection diagram for your IoT device. Please send me the IoT device voltage/current requirements and the machine load details so I can review the design requirements accurately. Best wishes, Ahmed Yahia
$140 USD in 7 days
4.4
4.4

Electronics and circuit design are the primary components of my skillset. Having spent numerous years in electrical engineering, I have successfully designed several complex circuits and layouts similar to what this project entails. I'm well-versed in handling high-voltage AC power supplies and industrial control systems, which would be particularly valuable for your need of a compact yet powerful machine on/off control PCB design. I've got a keen understanding of the necessary protection criteria such as fuse, surge protection, over-current/short-circuit protection etc., aiming to maintain efficient and safe standards even in rugged industrial settings. My previous projects have always centered around reliability, safety, and compactness, mirroring your exact requirements for seamless integration into your existing IoT device. In terms of deliverables, I can guarantee you nothing short of excellence. I will provide you with a complete schematic, PCB layout, BOM with available components, Gerber/manufacturing files - everything you require to ensure your industrial continuous operation runs smoothly. Rest assured that I will also factor in proper isolation between high-voltage AC and low-voltage IoT electronics to maximize safety. Choose me for this project and you won't be disappointed!
$140 USD in 3 days
4.9
4.9

Hi, As a Master’s graduate in Automatics & Systems, power electronics enthusiast, and hardware control engineer, I specialize in designing robust, isolated industrial PCBs, power supplies, and high-voltage switching circuits built for continuous operation. Key Strengths & Technical Approach: 1. Power Electronics & HV Isolation: Extensive experience designing AC-DC power converters (220–240V AC to stable low-voltage DC) with strict galvanic isolation (optocouplers, creepage/clearance safety distances, isolated power stages) to protect delicate IoT microcontrollers from high-voltage transients. 2. Industrial Load Switching & Safety: Proficient in selecting and integrating appropriate switching topologies (electromechanical relays, SSRs, or contactor drivers) equipped with snubber networks, TVS surge protection, MOV overvoltage suppression, and fuse/over-current protections tailored to heavy machine loads. 3. Complete PCB & Manufacturing Deliverables: Hands-on expertise in Altium/KiCad hardware design. I will provide the full manufacturing package: clean schematic, compact multi-layer PCB layout, component design calculations, full BOM, Gerber/NC drill files, and a clear IoT interface pinout diagram. Ready to review your IoT device power specs and machine load ratings to begin the design immediately. Let's connect! Best regards, Zakaria L.
$170 USD in 7 days
2.8
2.8

With a profound expertise in RF design and electronics, my team and I offer a tailored solution to your Industrial Power Control PCB Design needs. Our extensive experience in designing power supplies for different voltage ranges, will ensure the delivery of stable DC power for your IoT device at the specified 220-240VAC requirement. We are well-versed in implementing appropriate relays/contactors/SSRs or any alternative that could facilitate efficient machine ON/OFF control without sacrificing safety measures. Having worked on numerous industrial projects, we understand the crucial need for the protection of both equipment and personnel. Therefore, our design will meticulously incorporate necessary features such as over-current/short-circuit protection, fuses, and surge protection. The resulting design will be secure, reliable, compact, and more than capable of enduring continuous operation typical of industrial environments.
$140 USD in 7 days
2.5
2.5

Hello, I will design a compact 220V AC to DC power supply and switching control board for your industrial machine. I will integrate a high efficiency isolated AC-DC step down stage to provide clean DC power to your IoT board. For the low voltage and high voltage separation, I will use optocoupler isolation and maintain strict creepage and clearance distances across the board. The machine load control section will utilize an industrial relay or solid state relay driven by your IoT signal, equipped with snubber networks for inductive load protection. I will also incorporate an AC fuse, MOV surge suppressor, and EMI filtering to protect against voltage transients during continuous operation. 1) What is the maximum current or power rating of the industrial machine load being switched? 2) What is the exact DC operating voltage and peak current required by your IoT device? 3) Which PCB design software, such as Altium Designer or KiCad, do you prefer for native files? Thanks, Bharat
$222 USD in 7 days
2.0
2.0

I have hands-on experience with industrial AC-DC conversion, high-current load switching, and PCB design with galvanic isolation between high- and low-voltage sections. I've also worked on signal conditioning for industrial instrumentation (4-20mA) and PLC-based automation (IEC 61131-3), giving me a solid grasp of the safety and reliability requirements for continuous industrial operation. Approach: Isolated AC-DC supply (flyback or certified module), sized to your IoT device's voltage/current Protection: I²t-rated fuse, MOV/varistor for surges, TVS on the DC output Galvanic isolation between AC and control side (optocoupler/isolated driver), respecting creepage/clearance per IEC 60950/62368 Switching via relay, contactor, or SSR depending on load type, with snubber for inductive loads KiCad layout with current-rated traces and isolation zones verified via DRC Deliverables: schematic, PCB layout, BOM (Mouser/Digikey/LCSC), Gerbers, design calculations, and a connection diagram for integration with your IoT board. Ready to receive your IoT specs and machine load data to begin sizing calculations. Best regards,
$200 USD in 7 days
1.0
1.0

Hello, I can design the complete 220–240 VAC industrial power and machine control PCB, focusing on electrical safety, isolation, reliability and continuous operation. I would begin by reviewing the IoT device voltage/current requirements and machine load characteristics to select the appropriate power architecture and switching device. For the AC input, I would implement fuse protection, surge/transient protection, inrush-current considerations and overcurrent/short-circuit protection. The DC supply would be designed with adequate voltage regulation, filtering and thermal margins. For machine control, I would select a properly rated relay, contactor or SSR based on the load type, voltage, current, switching frequency and inrush current. The IoT control signal would drive an isolated switching stage using an optocoupler or suitable isolated driver, maintaining safe separation between the low-voltage electronics and mains section. The PCB layout would include appropriate creepage/clearance, isolation barriers, separated HV/LV zones, safe return paths, thermal considerations and proper terminal placement. Component voltage, current, surge and temperature ratings would be verified through design calculations. Deliverables will include the complete schematic, PCB layout, BOM with available components, Gerber/manufacturing files, design calculations, component ratings and an integration pin/connection diagram. I’m available to start immediately.
$100 USD in 7 days
0.6
0.6

Hello, I’m an Electronics & PCB Design Engineer with experience in circuit design, embedded/IoT systems, power electronics, and PCB development using KiCad and Altium. I understand that this project requires a safe and reliable integration of 220–240V AC input, an isolated DC power supply for your IoT device, and an industrial machine ON/OFF switching stage. I can deliver: • Complete schematic and circuit architecture • AC input protection: fuse, surge and over-current protection • Isolated AC/DC power solution for the IoT electronics • Proper HV/LV isolation and PCB creepage/clearance • Relay, SSR or contactor interface selected according to the machine load • Isolated control interface from the IoT device • Complete PCB layout optimized for safety and manufacturability • Component selection, ratings and design calculations • BOM with available components • Gerber/manufacturing files • Connector and pinout diagram for IoT integration Once you provide the IoT voltage/current requirements and machine voltage, current, load type and inrush current, I can select the appropriate architecture without making assumptions about the load. I will prioritize electrical safety, reliability and continuous industrial operation. I can deliver the complete design package within 8 days, depending on the final specifications. Best regards, Hamza Electronics & PCB Design Engineer
$110 USD in 8 days
0.4
0.4

I would be glad to take the opportunity to design your industrial 220–240V AC power supply and machine ON/OFF control PCB. I have practical experience in power electronics, circuit design, PCB layout, and high-voltage/low-voltage isolation, with a strong focus on safety and reliable continuous operation. I can develop the complete solution including: • 220–240V AC input protection, fuse, surge/over-current protection, and filtering • Stable isolated DC supply for your existing IoT device • Safe IoT control interface for relay, contactor, SSR, or suitable switching device • Proper creepage, clearance, isolation, grounding, and PCB safety considerations • Complete schematic, PCB layout, BOM, component ratings, calculations, and pin/connection diagram • Production-ready Gerber and manufacturing files Once you provide the IoT voltage/current requirements and machine load details, I can select appropriate components and optimize the design for compactness, reliability, availability, and industrial operation. Give me one opportunity to handle your project. I assure you of accurate, professional work and timely delivery.
$30 USD in 2 days
0.6
0.6

hi, The key design challenge is combining 220–240V AC machine control with a stable low-voltage supply while maintaining proper isolation and protection for the existing IoT electronics. I’d begin by reviewing the IoT voltage/current requirements, control signal, machine load, and operating conditions. I’d then select the appropriate switching method and protection components, calculate ratings, and build the schematic around safe high-voltage/low-voltage separation. Using Circuit Design and PCB Layout, I’d develop the board with suitable clearances, routing, protection, and practical component placement for continuous operation. The final package would include the schematic, PCB layout, BOM, Gerbers, calculations, and integration pin diagram. Could you provide the machine’s maximum voltage/current and the IoT board’s required DC output and control-signal specifications?
$140 USD in 3 days
0.0
0.0

I've spent 20+ years in electronics and embedded hardware, with real mains-voltage power design and industrial control PCB experience. I've built 220-240V AC-DC supplies and done SSR/contactor switching layouts on past jobs. I pay close attention to creepage and clearance spacing for hi-pot isolation between AC and low-voltage sides. Fuse and MOV ratings get calculated from actual fault current, and I design to IEC 60664/61010 safety margins. The hard part here is keeping the isolation barrier solid while the machine load current runs across the same board as your IoT control section. - Buck or flyback stage off 220-240V AC feeding your IoT device's DC rail, sized to its actual draw - SSR (or contactor driver for mechanical loads) triggered through an opto-isolated input from the IoT ON/OFF signal - Input fuse plus MOV/TVS on the AC line, separate fuse or breaker rating on the switched machine leg - Creepage/clearance spacing per IEC 60664 between the AC side and the low-voltage IoT header - Snubber or zero-cross switching on the SSR if the load is inductive, to cut inrush and EMI You get the schematic, PCB layout, BOM with in-stock parts, Gerbers, design calcs for fuse/MOV/creepage sizing, and a pinout diagram for your IoT board. What's the load current, and is it resistive or inductive? I can start right away.
$150 USD in 10 days
0.0
0.0

Dhaka, Bangladesh
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