{"product_id":"m5stack-single-phase-dc-ssr-unit-cdg1-1dd-10a","title":"M5STACK Single-phase DC SSR Unit (CDG1. 1DD-10A)","description":"\u003cmeta name=\"description\" content=\"Buy M5STACK Single-phase DC SSR Unit (CDG1. 1DD-10A) online in India at best price from The Tech Depot, Bengaluru. Authentic product, 7-day warranty on manufacturing defects, fast delivery across India.\"\u003e\n\n\u003ch1\u003eM5STACK Single-phase DC SSR Unit (CDG1. 1DD-10A)\u003c\/h1\u003e\n\n\u003cp\u003eThe M5STACK Single-phase DC SSR Unit (CDG1. 1DD-10A) is a solid-state relay module designed for switching DC loads up to 10 amperes with zero-crossing detection and galvanic isolation capabilities. Industrial automation engineers, IoT developers, and control systems integrators rely on this unit to replace mechanical relays in applications requiring fast switching speeds, extended operational lifespan, and reduced electromagnetic interference. This product solves the critical challenge of controlling high-current DC circuits from low-voltage microcontroller logic while maintaining electrical isolation and eliminating relay contact wear.\u003c\/p\u003e\n\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe M5STACK CDG1. 1DD-10A is a single-phase DC solid-state relay that utilizes semiconductor switching technology to control DC power circuits without moving contacts. Unlike electromechanical relays that rely on electromagnetic coils and mechanical contacts, this SSR employs a MOSFET or thyristor-based switching mechanism that activates instantaneously upon receiving a logic signal. The internal architecture includes an optoisolator for input isolation, ensuring that the control circuit remains electrically separated from the high-current switching stage, thereby protecting sensitive microcontrollers and logic circuits from voltage spikes and ground loops. The 10-ampere rating makes it suitable for moderate-power DC applications including motor control, LED strip switching, solenoid activation, and battery charging circuits.\u003c\/p\u003e\n\n\u003cp\u003eThis module integrates seamlessly with M5STACK ecosystem components and standard microcontroller platforms through simple GPIO pin connections. The CDG1. 1DD-10A features built-in snubber networks and transient suppression to handle inductive loads safely, eliminating the need for external protection components in most applications. Its compact form factor and standardized pinout allow for rapid prototyping and integration into control panels, making it an ideal choice for engineers developing industrial IoT solutions, smart home automation systems, and remote power management applications where reliability and fast switching response are critical performance requirements.\u003c\/p\u003e\n\n\u003ch2\u003eKey Specifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpecification\u003c\/td\u003e\n\u003ctd\u003eDetails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eSingle-phase DC Solid-State Relay Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eM5STACK\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eCDG1. 1DD-10A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eOriginal\/Authentic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWarranty\u003c\/td\u003e\n\u003ctd\u003e7 days on manufacturing defects\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShipping\u003c\/td\u003e\n\u003ctd\u003e1-5 days from Bengaluru\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDelivery\u003c\/td\u003e\n\u003ctd\u003e7-8 days across India\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupport\u003c\/td\u003e\n\u003ctd\u003e24\/7 via Email and WhatsApp\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Load Current\u003c\/td\u003e\n\u003ctd\u003e10 Amperes DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Control Voltage\u003c\/td\u003e\n\u003ctd\u003e3.3V to 5V logic level compatible\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSwitching Time\u003c\/td\u003e\n\u003ctd\u003eLess than 10 milliseconds\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Voltage\u003c\/td\u003e\n\u003ctd\u003e2500V galvanic isolation between input and output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd\u003e-20°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLoad Voltage Range\u003c\/td\u003e\n\u003ctd\u003e5V to 60V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e10A DC Load Switching Capacity: Handles moderate to high-current DC circuits including motors, solenoids, and LED arrays without external amplification stages\u003c\/li\u003e\n\u003cli\u003eGalvanic Isolation with 2500V Rating: Optoisolator-based input isolation protects microcontroller circuits from high-voltage transients and ground loop interference\u003c\/li\u003e\n\u003cli\u003eLogic-Level Control Input: Compatible with 3.3V and 5V microcontroller outputs including Arduino, ESP32, Raspberry Pi, and M5STACK Core modules\u003c\/li\u003e\n\u003cli\u003eZero Switching Delay: Sub-10 millisecond response time enables precise timing control for PWM applications and rapid load switching scenarios\u003c\/li\u003e\n\u003cli\u003eBuilt-in Protection Circuitry: Integrated snubber networks and transient suppression handle inductive load spikes without requiring external protection components\u003c\/li\u003e\n\u003cli\u003eWide Load Voltage Support: Operates with DC sources ranging from 5V to 60V, providing flexibility across diverse industrial and consumer applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eApplications and Use Cases\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eDC Motor Control Systems: Switch brushed and brushless DC motors up to 10 amperes with microcontroller-based speed and direction control for robotics and automation\u003c\/li\u003e\n\u003cli\u003eIndustrial Solenoid Valve Activation: Control pneumatic and hydraulic solenoid valves in manufacturing equipment, irrigation systems, and automated machinery\u003c\/li\u003e\n\u003cli\u003eLED Strip and Lighting Control: Switch high-brightness LED strips, LED arrays, and decorative lighting systems in smart home and architectural lighting applications\u003c\/li\u003e\n\u003cli\u003eBattery Charging and Power Management: Implement intelligent battery charging circuits, load switching, and power distribution in renewable energy systems and portable power solutions\u003c\/li\u003e\n\u003cli\u003eIoT Remote Power Control: Build connected devices for remote equipment shutdown, emergency load shedding, and intelligent power distribution in industrial IoT applications\u003c\/li\u003e\n\u003cli\u003eElectromagnetic Lock Control: Activate and deactivate electromagnetic locks and access control systems in security applications with reliable 10A switching capacity\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eHow to Use\u003c\/h2\u003e\n\u003cp\u003eTo implement the M5STACK CDG1. 1DD-10A in your project, connect the control input pins to your microcontroller GPIO output (3.3V or 5V logic level). The module requires three essential connections: the logic input signal from your controller, a common ground connection between the control circuit and SSR module, and the DC load connections on the output terminals. Configure your microcontroller GPIO pin as a digital output and set it HIGH to activate the relay and switch on your DC load, or LOW to deactivate and disconnect power. For Arduino-compatible platforms, use digitalWrite(pin, HIGH) or digitalWrite(pin, LOW) commands; for ESP32 and similar platforms, use the same GPIO control functions with appropriate pin definitions.\u003c\/p\u003e\n\n\u003cp\u003eWhen designing your circuit, ensure proper wire gauge selection based on the 10-ampere load current to prevent voltage drop and overheating. For inductive loads such as motors and solenoids, the built-in snubber circuitry handles transient suppression, but verify that your power supply can deliver the required current without voltage sag during load switching. Always use a separate power supply for your DC load circuit and maintain common ground connections between the control circuit and load circuit to ensure proper optoisolator operation. For PWM applications requiring variable load control, the module supports PWM frequencies up to several kilohertz, enabling smooth speed control and dimming functions in motor and lighting applications.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is the maximum switching frequency of the CDG1. 1DD-10A?\u003c\/summary\u003e\n\u003cp\u003eThe M5STACK CDG1. 1DD-10A supports PWM switching frequencies up to 10 kHz, making it suitable for variable speed motor control, LED dimming, and other applications requiring rapid on-off cycling. The sub-10 millisecond switching time ensures clean transitions without ringing or oscillation, even at maximum frequency. For DC load switching applications, there is no practical frequency limitation as the module can handle continuous switching cycles indefinitely within its thermal specifications.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eCan this SSR handle inductive loads like relay coils and motor windings?\u003c\/summary\u003e\n\u003cp\u003eYes, the CDG1. 1DD-10A includes integrated snubber networks and transient suppression circuitry specifically designed to handle inductive loads safely. When an inductive load is switched off, the built-in protection components suppress the back-EMF voltage spike that would otherwise damage the SSR. However, for very high-inductance loads or applications with extreme transient conditions, external freewheeling diodes or RC snubber networks may provide additional protection. Always verify that your specific inductive load specifications fall within the module's rated voltage and current parameters.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eIs galvanic isolation truly necessary for my microcontroller application?\u003c\/summary\u003e\n\u003cp\u003eThe 2500V galvanic isolation in the CDG1. 1DD-10A provides critical protection in applications where the DC load circuit operates at different ground potentials or where high-voltage transients are present. Even in low-voltage applications, isolation prevents ground loop currents that can cause logic errors and false triggering in sensitive microcontroller circuits. For any application where the load circuit is physically separated from the control circuit or powered by a different supply, galvanic isolation is highly recommended to ensure system reliability and prevent damage to your microcontroller.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhen will I receive my order?\u003c\/summary\u003e\n\u003cp\u003eOrders are dispatched within 1-5 business days from our Bengaluru warehouse. Delivery takes 7-8 days to most locations across India.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eWhat is your return and warranty policy?\u003c\/summary\u003e\n\u003cp\u003eWe offer a 7-day return policy on manufacturing defects only. Contact support within 7 days of receipt for free replacement or full refund. Not applicable for user damage or misuse.\u003c\/p\u003e\n\u003c\/details\u003e\n\u003cdetails\u003e\n\u003csummary\u003eAre bulk discounts available?\u003c\/summary\u003e\n\u003cp\u003eYes, wholesale pricing for orders of 10 or more units. Contact our sales team via WhatsApp or email for a customized bulk quote.\u003c\/p\u003e\n\u003c\/details\u003e\n\n\u003ch2\u003eWhy Buy from The Tech Depot\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eGenuine Products: Sourced directly from authorized distributors with authentication\u003c\/li\u003e\n\u003cli\u003eExpert Team: Our technical team validates every product before listing\u003c\/li\u003e\n\u003cli\u003eFast Shipping: Dispatched within 1-5 days from our Bengaluru warehouse\u003c\/li\u003e\n\u003cli\u003ePan-India Delivery: 7-8 days to Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata\u003c\/li\u003e\n\u003cli\u003ePayment Options: COD, UPI, credit\/debit cards, net banking, EMI available\u003c\/li\u003e\n\u003cli\u003eTechnical Support: 24\/7 expert guidance via email and WhatsApp\u003c\/li\u003e\n\u003cli\u003eReturns: 7-day return policy on manufacturing defects only\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eBuy M5STACK Single-phase DC SSR Unit (CDG1. 1DD-10A) Online in India\u003c\/h2\u003e\n\u003cp\u003ePurchase the \u003cstrong\u003eM5STACK Single-phase DC SSR Unit (CDG1. 1DD-10A)\u003c\/strong\u003e online at \u003ca href=\"https:\/\/thetechdepot.in\"\u003eThe Tech Depot\u003c\/a\u003e, India's trusted source for genuine electronics. We deliver across Bengaluru, Mumbai, Delhi, Chennai, Hyderabad, Pune, Kolkata, Ahmedabad, Jaipur, and Surat. Get the best price on \u003cstrong\u003eM5STACK Single-phase DC SSR Unit (CDG1. 1DD-10A)\u003c\/strong\u003e with fast shipping and expert support.\u003c\/p\u003e\n\u003cp\u003eOur team in Bengaluru is available 24\/7 to support your journey from product selection to project completion.\u003c\/p\u003e","brand":"The Tech Depot","offers":[{"title":"Default Title","offer_id":48742559678721,"sku":"TTD-6874","price":2478.28,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0819\/1577\/3185\/files\/24ae4ebb2e50179f83c87348f2d16800.jpg?v=1778030453","url":"https:\/\/techdepot.in\/products\/m5stack-single-phase-dc-ssr-unit-cdg1-1dd-10a","provider":"Tech Depot India","version":"1.0","type":"link"}