{"product_id":"2-channel-pwm-relay-switch-rc-model-4-8-10v-bec","title":"2-Channel PWM Relay Switch for RC Car Boat Plane 4.8-10V BEC","description":"\u003ch2\u003e2-Channel PWM Relay Switch — Precise Remote Control for RC Models\u003c\/h2\u003e\n\u003cp\u003eTake full control of your RC builds with this versatile \u003cstrong\u003e2-Channel PWM Electronic Relay Switch\u003c\/strong\u003e. Designed for hobbyists and enthusiasts, this compact module lets you remotely toggle two independent output channels using any standard RC transmitter and receiver. Whether you're firing model rockets, triggering smoke systems, switching navigation lights, or controlling agricultural machinery, this relay switch delivers reliable, responsive performance.\u003c\/p\u003e\n\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWide BEC Voltage Compatibility:\u003c\/strong\u003e Operates on 4.8V–10V, supporting standard 5V and high-voltage 7.4V BEC setups. \u003cem\u003eDo not exceed 10V to avoid damage.\u003c\/em\u003e\n\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDual Independent Channels:\u003c\/strong\u003e Independently switch Channel A and Channel B — open, closed, or both open simultaneously for flexible circuit control.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStandard PWM Signal:\u003c\/strong\u003e Compatible with 1000–2000µs control signals, the same range used by most ESCs and RC receivers.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh Controlled Voltage Rating:\u003c\/strong\u003e Each output port supports up to 125V maximum controlled voltage, handling a wide range of downstream devices.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLow Standby Draw:\u003c\/strong\u003e Only ~10mA in standby mode, preserving your battery life during idle periods.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompact \u0026amp; Lightweight:\u003c\/strong\u003e Measures approximately 37mm × 26mm × 20mm — easy to mount in tight airframes, hulls, or chassis.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConfigurable Middle Position:\u003c\/strong\u003e Default neutral range of 1300–1700µs for easy integration with your existing RC setup.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWorking Modes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eChannel A closed, Channel B open\u003c\/li\u003e\n  \u003cli\u003eChannel A open, Channel B closed\u003c\/li\u003e\n  \u003cli\u003eBoth Channel A and Channel B open\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eApplications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eRemote control of model rocket launches\u003c\/li\u003e\n  \u003cli\u003eModel smoke emission systems\u003c\/li\u003e\n  \u003cli\u003eWeapon system controls in realistic RC machines\u003c\/li\u003e\n  \u003cli\u003eNavigation lights for model aircraft\u003c\/li\u003e\n  \u003cli\u003eRemote control agricultural machinery\u003c\/li\u003e\n  \u003cli\u003eVarious remote-operated switch systems for RC boats, cars, and planes\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003ctable\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBEC Voltage Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e4.8V – 10V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~135mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStandby Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~10mA\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMax Controlled Port Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e125V\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSignal Range\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1000µs – 2000µs (PWM)\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDefault Middle Position\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1300µs – 1700µs\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e~37mm × 26mm × 20mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMade in China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\n\u003ch3\u003ePackage Includes\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e1× 2-Channel PWM Electronic Relay Switch\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e Due to lighting and screen differences, colors may vary slightly from product images. Please allow 1–10mm measurement tolerance.\u003c\/p\u003e\n\n\u003cp\u003eFor general RC hobby safety guidelines and electronic component handling tips, visit the U.S. Consumer Product Safety Commission (CPSC).\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003ch4\u003eQ: What RC receivers is this 2-channel PWM relay switch compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This relay switch is compatible with virtually any standard RC receiver that outputs a PWM signal in the 1000–2000µs range, which covers the vast majority of RC car, boat, plane, and rocket receivers on the market today.\u003c\/p\u003e\n\u003ch4\u003eQ: Can I use this relay switch with a 7.4V high-voltage BEC system?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! This module is specifically designed to support mainstream BEC voltages including standard 5V and high-voltage 7.4V BEC systems. Just ensure the input voltage does not exceed 10V to prevent damage to the module.\u003c\/p\u003e\n\u003ch4\u003eQ: What can I connect to the output ports of this relay switch?\u003c\/h4\u003e\n\u003cp\u003eA: The output ports support up to 125V maximum controlled voltage, making them suitable for controlling LEDs, lights, smoke generators, launch systems, and other electronic accessories commonly used in RC models.\u003c\/p\u003e\n\u003ch4\u003eQ: How do I set the neutral\/middle position for my transmitter?\u003c\/h4\u003e\n\u003cp\u003eA: The default middle position range is 1300–1700µs. This falls within the standard PWM signal range and should be automatically recognized by most RC transmitters without requiring manual adjustment.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What RC receivers is this 2-channel PWM relay switch compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This relay switch is compatible with virtually any standard RC receiver that outputs a PWM signal in the 1000–2000µs range, which covers the vast majority of RC car, boat, plane, and rocket receivers on the market today.\"}}, {\"@type\": \"Question\", \"name\": \"Can I use this relay switch with a 7.4V high-voltage BEC system?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! This module is specifically designed to support mainstream BEC voltages including standard 5V and high-voltage 7.4V BEC systems. 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