2,200+ results for relay board
- DC12V/24V Motor Controller Relay Board Forward Reverse Control Limit Start StopOpens in a new window or tabBrand NewC $7.78Top Rated SellerTop Rated SellerWas: C $8.19 5% offczb6721960 (311,153) 99%+C $4.79 shippingfrom China
- DC 12V Motor Controller Relay Board Forward Reverse Control Limit Start StopOpens in a new window or tabBrand NewC $7.24Top Rated SellerTop Rated SellerWas: C $8.05 10% offxiumeche-0 (33,834) 99.7%+C $1.36 shippingfrom ChinaFree returns
- DC 5V/12V Water Level Automatic Controller Liquid Sensor Switch Relay Board NEWOpens in a new window or tabBrand NewC $2.92Top Rated SellerTop Rated Sellerlovesell2013 (76,923) 99.9%+C $1.36 shippingfrom ChinaFree returns
- LAN Ethernet 2 Way Relay Board Delay Switch TCP/UDP Controller Module WEB ServerOpens in a new window or tabBrand NewC $24.88Top Rated SellerTop Rated SellerWas: C $27.34 9% offsatisfyelectronics (217,504) 99.5%+C $1.36 shippingfrom ChinaFree returns
- 1PC DC 12V Motor Controller Relay Board Forward Reverse Control Limit Start StopOpens in a new window or tabBrand NewC $8.05Top Rated SellerTop Rated Sellerkingelectronics15 (68,788) 100%+C $1.36 shippingfrom ChinaFree returns
- 12V Battery Automatic Charging Controller Module Protection Board Relay SwitchOpens in a new window or tabBrand NewC $6.23Top Rated SellerTop Rated Sellerhello_alian (29,728) 99.4%+C $5.46 shippingfrom ChinaFree returns153 sold
- ESP8266 Wireless WIFI 4Channel Relay Module Development Board AC/DC Power SupplyOpens in a new window or tabBrand NewC $12.58Top Rated SellerTop Rated SellerWas: C $13.68 8% offworldchips (190,391) 99.1%+C $2.72 shippingfrom ChinaFree returns
- 1-10PCS DC 5V Relay Shield NE555 Timer Switch Adjustable Module 0 to 10 SecondOpens in a new window or tabBrand NewC $3.08 to C $24.89Top Rated SellerTop Rated Sellerx-modules-x (1,610) 98.8%+C $4.09 shippingfrom ChinaFree returns
- DC 7V-24V Modbus RTU 4 Channel Relay Control Switch RS485/TTL UART ModuleOpens in a new window or tabBrand NewC $9.63Top Rated SellerTop Rated SellerWas: C $10.46 8% offworldchips (190,391) 99.1%+C $2.72 shippingfrom ChinaFree returns
- ESP8266 WIFI Dual Channel Relay Module 5V Power Supply ESP-12F Development DoardOpens in a new window or tabBrand NewC $7.70Top Rated SellerTop Rated SellerWas: C $8.37 8% offworldchips (190,391) 99.1%+C $2.72 shippingfrom ChinaFree returns
- LAN Ethernet 2 Way Relay Board Delay Switch TCP/UDP Controller Module WEB ServerOpens in a new window or tabBrand NewC $25.81Top Rated SellerTop Rated Sellercaelectronics8 (54,353) 99.7%+C $1.28 shippingfrom China
- DC12V 10A Magnetic Latching Relay Module Bistable Self-locking Flip-Flop BoardOpens in a new window or tabBrand NewC $4.00Top Rated SellerTop Rated SellerWas: C $4.40 9% offsatisfyelectronics (217,504) 99.5%+C $1.71 shippingfrom ChinaFree returns
- DC 12V 20A Car Delay Power OFF Switch Relay Board Trigger Relay ModuleOpens in a new window or tabBrand NewC $7.19 to C $7.33Top Rated SellerTop Rated Sellerdeeplearnings (20,906) 99.7%+C $1.36 shippingfrom ChinaFree returns
- Omron Relay Board Transistor 4314544-9 (2563H) NOSOpens in a new window or tabNew (Other)C $314.86Top Rated SellerTop Rated Sellergovernmenttransitsurplus (11,745) 100%from United States
- SPECTOR LUMENEX PCB RELAY BOARD ACE/408/CON / BY DHL / FEDEXOpens in a new window or tabNew – Open boxC $317.00Top Rated SellerTop Rated Sellerasg111 (444) 99.1%Free shippingfrom India
- WIFI Bluetooth Single Relay Module ESP32-C3 ESP-C3-12F Development BoardOpens in a new window or tabBrand NewC $9.94Top Rated SellerTop Rated SellerWas: C $10.93 9% offsatisfyelectronics (217,504) 99.5%+C $1.36 shippingfrom ChinaFree returns
- 8 Channel Bluetooth Relay Module 5V/7-28V Internet Switch Board - 74 charactersOpens in a new window or tabBrand NewC $19.31Top Rated SellerTop Rated Sellerecbuying (1,350) 99.6%Free shippingfrom China
- Relay Board Din Rail 1 Channel 30VDC 250VAC 5/12/24V Relay Electromagnetic RelayOpens in a new window or tabBrand NewC $12.04 to C $12.35Top Rated SellerTop Rated SellerWas: C $14.88 17% offhabilimenthouse (3,828) 98.1%Free shippingfrom China
- 1X Dual Relay UPC1237 Speaker Protection Board Kit For HIFI Amp AmplifierOpens in a new window or tabBrand NewC $11.15Top Rated SellerTop Rated SellerWas: C $12.25 9% offsatisfyelectronics (217,504) 99.5%+C $1.36 shippingfrom ChinaFree returns
- Relay Board Din Rail 1 Channel 30VDC 250VAC 5/12/24V Relay Built-in MPAOpens in a new window or tabBrand NewC $9.61 to C $9.87Top Rated SellerTop Rated SellerWas: C $12.32 22% offnewshop2023 (735) 98.2%Free shippingfrom China
- DC 12V 1 Channel Bluetooth BLE 5.2 Relay Swithc Module Control Board 6 CommandsOpens in a new window or tabBrand NewC $6.87Top Rated SellerTop Rated SellerWas: C $7.64 10% offsurvy2014 (289,797) 99.6%+C $1.71 shippingfrom ChinaFree returns
- DC Protect 300W Digital Amplifier Speaker Protection Board 2.1 Channel RelayOpens in a new window or tabBrand NewC $8.56Top Rated SellerTop Rated SellerWas: C $9.41 9% offsatisfyelectronics (217,504) 99.5%+C $1.36 shippingfrom ChinaFree returns
- NEW Amplifier Relay 4 Way Audio Input Signal Selector Board Rotary SwitchingOpens in a new window or tabBrand NewC $12.31 to C $13.19Top Rated SellerTop Rated SellerWas: C $14.49 9% offsatisfyelectronics (217,504) 99.5%+C $1.36 shippingfrom ChinaFree returns
- 5V One 1 Channel Relay Module Board Shield For PIC AVR DSP ARM MCU ArduinoOpens in a new window or tabBrand NewC $1.85Top Rated SellerTop Rated Sellerautomatex-pro (202) 100%Free shippingfrom ChinaFree returns
- Smart Battery Charger Power Relay Charging Board Automatic Controller DC12VOpens in a new window or tabBrand NewC $3.22Top Rated SellerTop Rated SellerWas: C $3.38 5% offdiymoudle-studio (338) 100%+C $16.07 shippingfrom ChinaFree returns
- Power-on Delay Relay Module DC 5V 12V Timer Circuit Board for Arduino Off-onOpens in a new window or tabBrand NewC $7.22Top Rated SellerTop Rated Sellerzy-electronics (639) 98.7%Free shippingfrom China
- Efficient 1 Channel Relay Board with LED Status Indication for Each ChannelOpens in a new window or tabBrand NewC $11.16 to C $11.46Top Rated SellerTop Rated SellerWas: C $14.49 23% offhardwareinstrument (3,095) 97.8%Free shippingfrom China
- 1pc Channel Relay Board 30A Channel For PLC Automation Practical UsefulOpens in a new window or tabBrand NewC $13.64 to C $17.40Top Rated SellerTop Rated SellerWas: C $18.83 8% offspringdance123 (802) 98.1%Free shippingfrom China
- Ferag 526.164.24 Relay Board USEDOpens in a new window or tabPre-OwnedC $110.49Top Rated SellerTop Rated Sellerindustautoco (10,411) 99.5%
- Process Automation 1159-7070 PC Relay Board Black/White Tabs, 11597070Opens in a new window or tabPre-OwnedC $890.01intersupplier (1,148) 99.4%from United States
- SPECTOR LUMENEX PCB RELAY BOARD ACE/408/CON / FAST SHIPPING BY DHL / FEDEXOpens in a new window or tabNew (Other)C $317.08Top Rated SellerTop Rated SellerWas: C $340.94 7% offasg111 (444) 99.1%Free shippingfrom India
- ESP8266 WIFI 1/2/4 Channel Relay Module ESP-12F Development Board DC7-80/5V 30AOpens in a new window or tabBrand NewC $12.28 to C $20.53Top Rated SellerTop Rated Sellerecbuying (1,350) 99.6%Free shippingfrom China
- Protection Module 12V Switch On Module Board for Relay Switch ControllerOpens in a new window or tabBrand NewC $10.50Top Rated SellerTop Rated SellerWas: C $11.17 6% offmotorsdeals_sfc (11,701) 97.7%Free shippingfrom China
- Bluetooth Relay Module 5V 12V Remote Control Switch Board for IoT Smart HomeOpens in a new window or tabBrand NewC $8.79 to C $13.30Top Rated SellerTop Rated Sellerzy-electronics (639) 98.7%Free shippingfrom China
- Relay Board Din Rail 1 Channel 30VDC 250VAC 5/12/24V Relay Electromagnetic RelayOpens in a new window or tabBrand NewC $9.66 to C $10.00Top Rated SellerTop Rated SellerWas: C $11.36 15% offhomefactoryoutlet558 (2,541) 98.6%Free shippingfrom China
- NEW Dual Relay UPC1237 Speaker Protection Board Kit For HIFI Amp AmplifierOpens in a new window or tabBrand NewC $12.25Top Rated SellerTop Rated Sellerlovesell2013 (76,923) 99.9%+C $1.36 shippingfrom ChinaFree returns
- Din-Rail 1 Channel Relay Board 5/12/24V Relay + Interface Electromagnetic-RelayOpens in a new window or tabBrand NewC $8.68 to C $8.93lovelyhome8 (19) 100%Was: C $14.47 40% offFree shippingfrom China
- 32 Channel DC 12V/24V 20A RS485/Ethernet Modbus Rtu Relay Board For PLC IO BoardOpens in a new window or tabBrand NewC $202.13 to C $217.60Top Rated SellerTop Rated Sellerflorder (1,734) 97.3%+C $12.66 shippingfrom China
- Numa Logic NL-362 Up-Down Counter Solid State Relay Board USEDOpens in a new window or tabPre-OwnedC $232.69Top Rated SellerTop Rated Sellerindustautoco (10,411) 99.5%
- Dual Programmable Relay Control Board Cycle Delay Timer Switch Module DC 12VOpens in a new window or tabBrand NewC $12.43Top Rated SellerTop Rated SellerWas: C $13.67 9% offsatisfyelectronics (217,504) 99.5%+C $1.36 shippingfrom ChinaFree returns
- Relay Module Board Shield 1-8 Channel 5/12/24V with Optocoupler High Low TriggerOpens in a new window or tabBrand NewC $5.72 to C $13.83Top Rated SellerTop Rated Sellerecbuying (1,350) 99.6%Free shippingfrom China
- New ListingIndustrial Grade 1 Channel Relay Board with Surge Suppression ProtectionOpens in a new window or tabBrand NewC $12.38 to C $12.72magictown (20) 100%Was: C $14.13 10% offFree shippingfrom China
- Dual Relay UPC1237 Speaker Protection Board For HIFI Amp Amplifier KitOpens in a new window or tabBrand NewC $12.20Top Rated SellerTop Rated Sellercaelectronics8 (54,353) 99.7%+C $1.28 shippingfrom China
- ESP8266 Dual Channel WIFI Relay Module ESP-01/01S DC 5V With Relay IndicatorOpens in a new window or tabBrand NewC $2.31 to C $6.64Top Rated SellerTop Rated SellerWas: C $3.49 9% offsatisfyelectronics (217,504) 99.5%+C $1.36 shippingfrom ChinaFree returns
- New ListingESD Securitron RT-2 1224 Relay Board 5A 12/24vdcOpens in a new window or tabPre-OwnedC $43.08Top Rated SellerTop Rated Sellerslybrood7 (9,811) 99.7%+C $36.67 shippingfrom United States
- 5V 1/2/4/6/8 Channel With Optocoupler Relay Board Module LED For Arduino SeniorOpens in a new window or tabBrand NewC $2.12 to C $7.44Top Rated SellerTop Rated Sellertechwin_us (1,900) 97.7%+C $6.08 shippingfrom ChinaFree returns
- 1PCS New Omron Module G8N-1 12V DC Relay ModuleOpens in a new window or tabBrand NewC $7.38Top Rated SellerTop Rated SellerWas: C $8.38 12% offmiantaxia-0 (19,075) 99.6%+C $5.48 shippingfrom China
- 4 Channel WiFi Delay Relay Switch APP Wireless Remote Control ModuleOpens in a new window or tabBrand NewC $11.89Top Rated SellerTop Rated SellerWas: C $13.06 9% offsatisfyelectronics (217,504) 99.5%+C $1.71 shippingfrom ChinaFree returns
- ESP32-WROOM Development Board Single Relay Module DC7-60V Micro USB 5VOpens in a new window or tabBrand NewC $9.60Top Rated SellerTop Rated SellerWas: C $10.67 10% offsurvy2014 (289,797) 99.6%+C $1.71 shippingfrom ChinaFree returns
- NEW Amplifier Relay 4 Way Audio Input Signal Selector Board Rotary SwitchingOpens in a new window or tabBrand NewC $11.99 to C $12.99Top Rated SellerTop Rated Sellercaelectronics8 (54,353) 99.7%+C $1.28 shippingfrom China
- 1X DC 12V 20A Car Delay Power OFF Switch Relay Board Trigger Relay ModuleOpens in a new window or tabBrand NewC $6.80 to C $6.99Top Rated SellerTop Rated Sellercaelectronics8 (54,353) 99.7%+C $1.28 shippingfrom China
- Relay: Electromagnetic,24VAC, 16A, 40.61.8.024.0000, FinderOpens in a new window or tabBrand NewC $5.27Top Rated SellerTop Rated Sellerlemona_electric (3,524) 99.2%+C $9.37 shippingfrom Lithuania
- 1/2/4/8 Channel ESP32 WIFI Bluetooth BLE Relay Module ESP8266 Development BoardOpens in a new window or tabBrand NewC $12.31 to C $24.63Top Rated SellerTop Rated Sellerxyz-electronics (1,825) 99%+C $4.09 shippingfrom China
- ESP8266 WIFI 4 Channels Relay Module ESP-12F Dual Channel 5V Development BoardOpens in a new window or tabBrand NewC $9.08 to C $12.98Top Rated SellerTop Rated SellerWas: C $9.56 5% offgc_supermarket (247,325) 98.8%+C $6.53 shippingfrom ChinaFree returns
- 3-Digit Display Delay Timing Relay Module Timer Relay Board 1-999 Seconds DC 12VOpens in a new window or tabBrand NewC $5.86Top Rated SellerTop Rated Sellerdeeplearnings (20,906) 99.7%+C $1.36 shippingfrom ChinaFree returns
- DC12V/24V Motor Controller Relay Board Forward Reverse Control Limit Start StopOpens in a new window or tabBrand NewC $13.38Top Rated SellerTop Rated Sellershieldsfans (88,462) 98.9%+C $58.80 shippingfrom China
- NEW Speaker Protective Board Relay Protection Board AC 12V-18V Audio PortableOpens in a new window or tabBrand NewC $7.53Top Rated SellerTop Rated Sellerdeeplearnings (20,906) 99.7%+C $1.36 shippingfrom ChinaFree returns
- DC Protect 300W Digital Amplifier Speaker Protection Board 2.1 Channel Relay NEWOpens in a new window or tabBrand NewC $9.42Top Rated SellerTop Rated Sellerkingelectronics15 (68,788) 100%+C $1.36 shippingfrom ChinaFree returns
- Din-Rail 1 Channel Relay Board 5/12/24V Relay + Interface Electromagnetic-RelayOpens in a new window or tabBrand NewC $14.50 to C $14.88Top Rated SellerTop Rated Sellerhuahuashoping268 (183) 98.4%Free shippingfrom China
- 300W Digital Power Amplifier Protection Board Delay Relay Speaker Protection NEWOpens in a new window or tabBrand NewC $9.00Top Rated SellerTop Rated Sellerlovesell2013 (76,923) 99.9%+C $1.36 shippingfrom ChinaFree returns
- 1PCS New WeMos D1 Mini DC 5V 1CH Relay For Arduino ESP8266 Development BoardOpens in a new window or tabBrand NewC $2.20Top Rated SellerTop Rated Sellerppd_industry (362) 99.4%Free shippingfrom ChinaFree returns
- ESP32-WROOM Development Board Single Relay Module DC7-60V Micro USB 5V NEWOpens in a new window or tabBrand NewC $9.69Top Rated SellerTop Rated SellerWas: C $10.65 9% offsatisfyelectronics (217,504) 99.5%+C $1.36 shippingfrom ChinaFree returns
- Industrial Grade Din Rail Mounting Relay Board with Protection FeatureOpens in a new window or tabBrand NewC $10.68 to C $11.05Top Rated SellerTop Rated SellerWas: C $11.36 6% offgumusserv (2,936) 98.5%Free shippingfrom China
- 1X Speaker Protective Board Relay Protection Board Audio Portable AC 12V-18VOpens in a new window or tabBrand NewC $7.70Top Rated SellerTop Rated Sellercaelectronics8 (54,353) 99.7%+C $1.28 shippingfrom China
- NEW DC 12V Motor Controller Relay Board Forward Reverse Control Limit Start StopOpens in a new window or tabBrand NewC $8.13Top Rated SellerTop Rated Sellercaelectronics8 (54,353) 99.7%+C $1.28 shippingfrom China
- AC powered ESP32 WiFi Bluetooth ble single relay module ESP32 development boardOpens in a new window or tabBrand NewC $11.88Top Rated SellerTop Rated Sellercaelectronics8 (54,353) 99.7%+C $1.28 shippingfrom China
- 12V Battery Protection Module Lead-acid Battery Voltage Protection Relay BoardOpens in a new window or tabBrand NewC $3.77Top Rated SellerTop Rated SellerWas: C $4.09 8% offworldchips (190,391) 99.1%+C $2.72 shippingfrom ChinaFree returns
- New Listing51224V Interface Electromagnetic Relay Board with Wide Application RangeOpens in a new window or tabBrand NewC $13.75 to C $14.13Top Rated SellerTop Rated Sellerhomefactoryoutlet558 (2,541) 98.6%Free shippingfrom China
- Din Rail 1 Channel-Relay Board 5/12/24V Relay + Interface Electromagnetic RelayOpens in a new window or tabBrand NewC $12.21 to C $12.54Top Rated SellerTop Rated SellerWas: C $14.03 13% offcarcelebrity (92) 98.8%Free shippingfrom China
- Reflex Inc 12M3-101 Voltage Sensor Relay Board ! NEW !Opens in a new window or tabBrand NewC $168.99Top Rated SellerTop Rated Sellerindustautoco (10,411) 99.5%
- SPECTOR LUMENEX PRIMARY PERIPHERAL I/O PCB RELAY BOARD ACE/401/PIO OB101/01/3/07Opens in a new window or tabPre-OwnedC $889.88Top Rated SellerTop Rated Sellerasg111 (444) 99.1%Free shippingfrom India
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