Top General Relay Open Reviews

AITRIP 8 Pack 3V 1 Channel Relay Power Switch Module with Optocoupler Opto Isolation High Level Trigger for IOT ESP8266 Development Board

• 【30VDC 250VAC Load】 Equiped with high-current relay, AC250V 10A.
• DC30V 10A, each relay has normally open and normally closed contact. Can be selected by jumper relay and TTL or ground..
• 【High Level Trigger】The relay module is triggered by high level signal, which can be input from microcontroller IO..
• 【 3V/3.3V power relay module】- This Relay Board provides a single relay that can be controlled by any 3V/3.3V digital input from your microcontroller IO..
• 【Wide Application】- These 3v relay board works well with ARM /PIC /AVR /MCU/Raspberry/CNC machine/ PS4/3.3V /NodeMCU/ ESP8266 module etc..
• 【Long Life】 - Fast response time less than 20ms and long lifetime up to 100,000 times snap action with diode freewheel protection..

Taidacent Vibration Sensor Delay Module AC 220V Power Supply Vibration Sensitivity Adjustable Vibration Detection Switch for Home Application

AEDIKO 4pcs Relay Module DC 5V Relay Switch 1 Channel Relay Board with Optocoupler Isolation Support High or Low Level Trigger

• Fault-Tolerant Design: Fault Tolerant Design, Even if the Control Line is Broken, the Relay will not Operate.
• All Interfaces of Relay can be Wired Out Through the Terminals Directly,Normally Open and Normally Closed.
• Optocoupler Isolation:1 Channel Relay Board use Optocoupler Isolation that has Strong Driving Ability and Stable Performance ,The Isolation Circuit Prevent Damages to I / O Port by Relay Switch Current.
• Jumper Design: The Relay Module has a Jumper That You Can Set Rather the Unit State Changes with High or Low Signal. Has Screw Terminals for Relay (NC,C,NO) and for Input.
• Wide Application: DC 5V Relay Module Works Well with ARM /PIC /AVR /MCU/Raspberry/CNC Machine/ PS4 etc..

DPST 1NO 1NC 8Amp Power Relay Module, Briidea 24V AC/DC Power Relay Control Voltage, White

• INPUT CONTROL SIGNAL: Voltage AC or DC 24V, Current 17mA..
• OUTPUT CURRENT: Output switch DPST 1NO 1NC(Double Pole Single Throw, 1 Normally Open and 1 Normally Close ), rated current 8A/250VAC or 8A/30VDC (one switch)..
• SIMPLE & PRACTICAL: This passive power relay module is simple and practical, which is very convenient to use. It can support both Normally Open and Normally Close..
• EASY MOUNT: The power relay is of compact plastic case and wires connects for easy mount. Two screw mounting holes are convenient for you to fix it on the wall or wooden board. Of course, you can also choose not to lock the screw..
• LED INDICATION: This power relay has a led indicator for relay action indication. It is obvious to know the status of the switch at a glance..

Parts Express 12 VDC 4-Pin Relay Socket With Diode for Starter Kill Circuit

• Never go beyond its capabilities. Try to stay 10 to 15% below what the rate is for.
• 12-volt 5-prong relay. Excellent water-repellent and dustproof ability, but not using it in water.
• Be careful when plugging the relay into the socket. If you push hard, you will bend the female connector.
• Primary leads use 12 a.w.g tinned copper wire. Coil leads use 16 a.w.g.
• SPDT relay: it has both normally open and normally closed terminals, terminal 87A is powered when the relay is inactive and switches the power to terminal 87 when the relay is activated.

Aoicrie 5Pcs DC 5V 1 Channel Relay Module Board Shield with Optocoupler Isolation Support High or Low Level Compatible Development Board Trigger

• This Relay Board Maximum load: AC 250V/10A, DC 30V/10A With power and relay action indicator.each relay has normally open and normally closed contact. Can be selected by jumper relay and TTL or ground..
• Main Specification Peak Load of NO Connector: AC 250V/10A, DC 30V/10A.
• These Relay Board use photocoupler isolation that has strong driving ability and stable performance.The isolation circuit prevent damages to I / O port by relay switch current.The module has a jumper so you can set rather the unit state changes with high or low signal. Has screw terminals for relay (NC,C,NO) and for input.
• Using SMD optocoupler isolation, strong driving capability, stable performance.Fault tolerant design, even if the control line is broken, the relay will not operate.
• And interface design humanized, all the interface can be directly connected through the terminal lead, so convenient..
• Wide Application These 5V relay board works well with for ARM /PIC /AVR /MCU/Raspberry/CNC machine /etc..

Aoicrie 5Pcs DC 12V 1 Channel Relay Module Board Shield with Optocoupler Isolation Support High or Low Level Compatible Development Board Trigger

• This Relay Board Maximum load: AC 250V/10A, DC 30V/10A With power and relay action indicator.each relay has normally open and normally closed contact. Can be selected by jumper relay and TTL or ground..
• Main Specification Peak Load of NO Connector: AC 250V/10A, DC 30V/10A.
• These Relay Board use photocoupler isolation that has strong driving ability and stable performance.The isolation circuit prevent damages to I / O port by relay switch current.The module has a jumper so you can set rather the unit state changes with high or low signal. Has screw terminals for relay (NC,C,NO) and for input.
• Using SMD optocoupler isolation, strong driving capability, stable performance.Fault tolerant design, even if the control line is broken, the relay will not operate.
• And interface design humanized, all the interface can be directly connected through the terminal lead, so convenient..
• Wide Application These 12V relay board works well with for ARM /PIC /AVR /MCU/Raspberry/CNC machine etc..

Anfukone T92P7A22-240 Power Relay, DPST-NO, 240VAC, 30A, Panel

• It is perfect used in the remote control, communication, automatic control system, electronic equipment's..
• Relay contacts : 003cbr003e Terminals 1 and 8 public points ；003cbr003e Terminals 2 and 7 Relay Coil Voltage.
• 003cbr003e Terminals 3 and 6 N/O Normally Open.
• 003cbr003e Terminals 4 and 5 N/C Normally Closed.
• Total Size (Approx. ): 1. 4" x 1. 4" x 2. 6".
• 003cbr003ePackage : 1 x Power Relay & Socket..

ELEGOO 8 Channel DC 5V Relay Module with Optocoupler Compatible with Arduino UNO R3 MEGA 1280 DSP ARM PIC AVR STM32 Raspberry Pi

• 5V 8-Channel Relay interface board, each one needs 70mA Driver Current.
• Equiped with high-current relay, AC250V 10A.
• Each relay has normally open and normally closed contact. Can be selected by jumper relay and TTL or ground..
• With power indicator,8-way road has a status indicator. With a relay coil to absorb the diode protection..
• Standard interface that can be controlled directly by microcontroller (Arduino , 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic).
• The 8 channels are optically isolated, safe, reliable, anti-interference. Widely used for all MCU control, industrial sector, PLC control, smart home control。For a complete data sheet for this relay board, please download it from: http://dwz.win/UhW.

Nilight 50003R Automotive Set 5-Pin 30/40A 12V SPDT with Interlocking Relay Socket and Wiring Harness-5 Pack, 2 Years Warranty

• High switching capability: Normally open 40A/14V DC and normally close 30A/14V DC. Suitable for Nilight LED light bar wiring harness kit.
• Premium quality: Durable relay and harness socket with 5 wires.
• Made by high-grade materials to ensure superior quality and long lifespan.
• Male-female slot design: Unique male-female slot design, easy to connect the relay with harness socket, clean and neat after installation.
• Easy wiring: The relay sockets come with different colors for loads/accessories, simple and convenient wiring.
• Package include: 5 x relay and 5 x relay socket with wires.Fit type: Universal fit.

EHDIS Car Relay 4 Pin 12v 40amp Spst Model No.: JD2912-1H-12VDC 40A 14VDC, Auto Switches & Starters,Pack of 2

• Never go beyond its capabilities. Try to stay 10 to 15% below what the rate is for.
• 12-volt 5-prong relay. Excellent water-repellent and dustproof ability, but not using it in water.
• Be careful when plugging the relay into the socket. If you push hard, you will bend the female connector.
• Primary leads use 12 a.w.g tinned copper wire. Coil leads use 16 a.w.g.
• SPDT relay: it has both normally open and normally closed terminals, terminal 87A is powered when the relay is inactive and switches the power to terminal 87 when the relay is activated.

Weewooday 15 Pieces 5V Relay Module 1- Channel Relay Control Boards with Optocoupler Isolation High and Low Level Trigger Expansion Board

• Relay module: this relay board supports high and low level trigger and can be controlled by any 5V digital output of the microcontroller.
• Parameter details: maximum load of normally open interface: AC 250v/ 10A, DC 30v/ 10A, trigger current is 5mA.
• The 5v relay control board adopts SMD optocoupler isolation, which has strong driving ability and stable performance.
• Practical design: with fault-tolerant design, the relay module will not operate even if the control line is disconnected.
• All interfaces can be provided through directly connected terminal s since the humanized interface design, it is very convenient to use.
• High compatibility: the relay module can be directly controlled by the 5V logic signal provided by the microcontroller, suitable for 8051, Raspberry Pi, PIC, DSP, ARM, AVR, MSP430, TTL logic, etc..
• Wide application: this 5V relay board can be applied with Raspberry/ CNC machine/ ARM/ PIC/ AVR/ MCU/ PS4 and more.

Shuian 10 Pcs 3V Relay Power Switch Board, Songhe DC 1 Channel Optocoupler Relay, High Level Trigger for IOT ESP8266 Development Board.

• The 3v Relay 1 Channel power switch module compatible with 10A 250VAC and 10A 30VDC load.4pcs * 2.5 mm Fixed Bolt Hole..
• 3V/3.3V power relay module supports photocoupler isolation control and dual power supply input ensure high anti-interference ability. Fast response time less than 20ms and long life time up to 100,000 times snap action with diode freewheel protection..
• Equiped with high-current relay, AC250V 10A.
• DC30V 10A,each relay has normally open and normally closed contact. Can be selected by jumper relay and TTL or ground..
• Support dual power supply input ensure high anti-interference ability,high reliability of photoelectric isolation protection,The external connection uses the rotary crimping terminal, causes the wiring to be more solid..
• You are free to select whether the relay and the signal share the same power supply or not by removing the jumper caps on the pins or not. It is recommended to share the same power supply, because that is more convenient for using..