{"id":8115360858292,"title":"4-Channel Relay Module, Optocoupler Insulated, Industrial Robust, Compact IoT Enabled for Smart Home Automation, Industrial Control, Hobby Projects 24V","handle":"4-channel-relay-module-optocoupler-insulated-industrial-robust-compact-iot-enabled-for-smart-home-automation-industrial-control-hobby-projects-24v","description":"\u003ch3\u003e4-Channel Relay Module, Optocoupler Insulated, Industrial Robust, Compact IoT Enabled for Smart Home Automation, Industrial Control, Hobby Projects\u003c\/h3\u003e\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eDouble edition design: it adopts PCB double board design, 4 channels of independent design, and does not interfere with each other. Single chip design, durable and reliable performance, strong anti-interference, no wrong triggering, superior performance.\u003c\/li\u003e\n \u003cli\u003eInsulation Work: trigger optocoupler isolation, the trigger power supply can be an independent external power supply, which is really fully isolated. (If you need external contact power supply: DC12V version of the trigger, a 5.1-6.8K resistor in series; DC24V version of the trigger, a 15-22K resistor in series, otherwise the chip will be damaged.)\u003c\/li\u003e\n \u003cli\u003eDisplay: Use 4 push button switches as product test to check product stability directly (low level trigger is effective). With power indicator (green LED) and 4 switch indicators (red LED);\u003c\/li\u003e\n \u003cli\u003eFriendly Design: User-friendly interface design, all interfaces can be connected directly via the connection lines. Four mounting screw holes are provided.\u003c\/li\u003e\n \u003cli\u003eApplication: This module is widely used for most electronic enthusiasts in the design and development of home and industrial electronics. Suitable for developing electronic circuits, transformation of automation equipment, industrial PLC control, robots and intelligent products for students.\u003c\/li\u003e\n \u003c\/ul\u003e","published_at":"2026-09-02T10:45:33+10:00","created_at":"2026-09-02T00:17:14+10:00","vendor":"Keenso","type":"Optocouplers","tags":["industrial_DE_Aug2026"],"price":10600,"price_min":10600,"price_max":10600,"available":true,"price_varies":false,"compare_at_price":null,"compare_at_price_min":0,"compare_at_price_max":0,"compare_at_price_varies":false,"variants":[{"id":44375089316020,"title":"24V","option1":"24V","option2":null,"option3":null,"sku":"de-B07S6BC6QG","requires_shipping":true,"taxable":true,"featured_image":null,"available":true,"name":"4-Channel Relay Module, Optocoupler Insulated, Industrial Robust, Compact IoT Enabled for Smart Home Automation, Industrial Control, Hobby Projects 24V - 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Relay Module, Optocoupler Insulated, Industrial Robust, Compact IoT Enabled for Smart Home Automation, Industrial Control, Hobby Projects\u003c\/h3\u003e\n\u003cp id=\"b\"\u003e\u003c\/p\u003e \n\n\u003ch3\u003eProduct Features\u003c\/h3\u003e\n \u003cul class=\"a\"\u003e\n \u003cli\u003eDouble edition design: it adopts PCB double board design, 4 channels of independent design, and does not interfere with each other. Single chip design, durable and reliable performance, strong anti-interference, no wrong triggering, superior performance.\u003c\/li\u003e\n \u003cli\u003eInsulation Work: trigger optocoupler isolation, the trigger power supply can be an independent external power supply, which is really fully isolated. (If you need external contact power supply: DC12V version of the trigger, a 5.1-6.8K resistor in series; DC24V version of the trigger, a 15-22K resistor in series, otherwise the chip will be damaged.)\u003c\/li\u003e\n \u003cli\u003eDisplay: Use 4 push button switches as product test to check product stability directly (low level trigger is effective). With power indicator (green LED) and 4 switch indicators (red LED);\u003c\/li\u003e\n \u003cli\u003eFriendly Design: User-friendly interface design, all interfaces can be connected directly via the connection lines. Four mounting screw holes are provided.\u003c\/li\u003e\n \u003cli\u003eApplication: This module is widely used for most electronic enthusiasts in the design and development of home and industrial electronics. Suitable for developing electronic circuits, transformation of automation equipment, industrial PLC control, robots and intelligent products for students.\u003c\/li\u003e\n \u003c\/ul\u003e"}