{"product_id":"4ch-dip-switch-delay-relay-module-5v-12v-24v-dc","title":"4-Channel DIP Switch Delay Relay Module DC 5V 12V 24V","description":"\u003ch2\u003e4-Channel DIP Switch Delay Relay Module — Model IO26G04\u003c\/h2\u003e\n\u003cp\u003eTake full control of your electronics projects with this versatile \u003cstrong\u003e4-Channel DC Relay Module\u003c\/strong\u003e. Supporting DC 5V, 12V, and 24V operating voltages, this compact relay board features four independently triggered channels, configurable functional modes, and adjustable delay timing — all set via the convenient onboard DIP switch. Whether you're building smart home systems, automotive electronics, or MCU development projects, this module delivers reliable, interference-free switching performance.\u003c\/p\u003e\n\n\u003cp\u003eMade in Mainland China.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4 Independent Channels:\u003c\/strong\u003e Each channel triggers independently with its own delay — no cross-channel interference.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4 Functional Modes:\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003eDelay \/ Non-Locking (Momentary)\u003c\/li\u003e\n      \u003cli\u003eSelf-Locking (Toggle)\u003c\/li\u003e\n      \u003cli\u003eInter-Locking (Latch)\u003c\/li\u003e\n      \u003cli\u003ePower Sequencer (sequential relay activation)\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDIP Switch Configuration:\u003c\/strong\u003e Easily select function mode and delay time directly on the board — no soldering or programming required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Pulse Trigger:\u003c\/strong\u003e Triggered via GND connection through a button, or via low-level MCU IO port control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide Voltage Compatibility:\u003c\/strong\u003e Works with DC 5V, 12V, or 24V supply voltage.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Load Capacity:\u003c\/strong\u003e Each relay supports DC 1–110V \/ 5A or AC 85–265V \/ 6A loads.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSealed Protection:\u003c\/strong\u003e Enclosed design for reliable, durable operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e IO26G04\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Voltage:\u003c\/strong\u003e DC 12V (DC 5V \/ 24V optional)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Current (DC 12V):\u003c\/strong\u003e\n    \u003cul\u003e\n      \u003cli\u003eStandby: 4mA\u003c\/li\u003e\n      \u003cli\u003e1 relay active: 32mA\u003c\/li\u003e\n      \u003cli\u003e2 relays active: 59mA\u003c\/li\u003e\n      \u003cli\u003e3 relays active: 86mA\u003c\/li\u003e\n      \u003cli\u003e4 relays active: 114mA\u003c\/li\u003e\n    \u003c\/ul\u003e\n  \u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelay Max Load:\u003c\/strong\u003e DC 1–110V \/ 5A; AC 85–265V \/ 6A\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 68 × 53.5 × 20 mm\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 58g\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePower Source:\u003c\/strong\u003e DC\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eContact Terminology Guide\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNO:\u003c\/strong\u003e Relay normally open contact\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCOM:\u003c\/strong\u003e Relay common contact\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNC:\u003c\/strong\u003e Relay normally closed contact\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelay Open:\u003c\/strong\u003e COM connects to NO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRelay Close:\u003c\/strong\u003e COM disconnects from NO\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eTypical Applications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eAutomotive electronics\u003c\/li\u003e\n  \u003cli\u003eAC\/DC motor control\u003c\/li\u003e\n  \u003cli\u003eAudio amplifier sequential power-up\u003c\/li\u003e\n  \u003cli\u003ePower sequencer\/conditioner\u003c\/li\u003e\n  \u003cli\u003eLED lighting control\u003c\/li\u003e\n  \u003cli\u003eSmart home automation\u003c\/li\u003e\n  \u003cli\u003eEmergency lighting systems\u003c\/li\u003e\n  \u003cli\u003eMCU development boards (Arduino UNO, MEGA2560, etc.)\u003c\/li\u003e\n  \u003cli\u003eToy car and RC vehicle circuits\u003c\/li\u003e\n  \u003cli\u003eCar delay power-off applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eHow to Use\u003c\/h3\u003e\n\u003col\u003e\n  \u003cli\u003eSelect your desired function mode and delay time using the DIP switches on the board.\u003c\/li\u003e\n  \u003cli\u003eConnect your trigger input (button to GND or MCU IO low-level signal) to the appropriate channel.\u003c\/li\u003e\n  \u003cli\u003eWire your load to the relay terminals (NO, COM, or NC as needed).\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e Always re-power the board after changing any DIP switch settings for changes to take effect.\u003c\/li\u003e\n\u003c\/ol\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1 × IO26G04 DC 5V\/12V\/24V 4-Channel DIP Switch Relay Module\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eLearn more: \u003ca href=\"https:\/\/www.osha.gov\/personal-protective-equipment\" target=\"_blank\" rel=\"noopener\"\u003eOSHA on personal protective equipment\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What operating voltages does this 4-channel relay module support?\u003c\/h4\u003e\n\u003cp\u003eA: This relay module supports DC 5V, DC 12V, and DC 24V operating voltages. The default is DC 12V, with DC 5V and DC 24V available as optional configurations, making it highly versatile for a wide range of electronics and automation projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What are the four functional modes available on this DIP switch relay module?\u003c\/h4\u003e\n\u003cp\u003eA: The module offers four selectable modes via the onboard DIP switch: (1) Delay \/ Non-Locking (Momentary) mode, (2) Self-Locking (Toggle) mode, (3) Inter-Locking (Latch) mode, and (4) Power Sequencer mode, which activates relays in sequence. All four channels operate independently without interfering with each other.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Can I use this relay module with an Arduino or other microcontroller?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This module is fully compatible with MCU development boards including Arduino UNO and MEGA2560. It uses a low-level pulse trigger, so you can control each channel directly from your microcontroller's IO port by pulling the trigger pin to GND (low level).\u003c\/p\u003e\n\n\u003ch4\u003eQ: What is the maximum load each relay channel can handle?\u003c\/h4\u003e\n\u003cp\u003eA: Each relay channel supports a maximum load of DC 1–110V \/ 5A or AC 85–265V \/ 6A, making it suitable for switching LED lights, fans, motors, and other common DC and AC devices.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Do I need to restart the module after changing the DIP switch settings?\u003c\/h4\u003e\n\u003cp\u003eA: Yes. After making any changes to the DIP switch (function mode or delay time), you must power-cycle the module (disconnect and reconnect power) for the new settings to take effect.\u003c\/p\u003e\n\u003c!-- production-packaging-notice --\u003e\n\u003ch3\u003eProduction \u0026amp; Packaging Notice\u003c\/h3\u003e\n\u003cp\u003eTo maintain high stock availability and fast shipping times, our items are sourced from multiple verified manufacturing facilities. While the core quality, materials, and product specifications remain identical, you may notice slight variations in the packaging design, manufacturing origin, or the wording of the printed instructions.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What operating voltages does this 4-channel relay module support?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This relay module supports DC 5V, DC 12V, and DC 24V operating voltages. 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