Top Open Relay Reviews

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..

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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.

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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..

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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..

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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..

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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.

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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.

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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.

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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.

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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..

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Valefod DC 5V Relay Module 1-Channel Relay Switch with Optocoupler Isolation High/Low Level Trigger, Pack of 10

【Control Devices】The 1-channel relay module uses genuine high quality DC5V relay and SMD opto-isolator supporting high/low level trigger, widely apply to control various AC/DC appliances, and other devices with large current..
【Load Range】NO(Normally open) maximum load < AC 250V/10A, < DC 30V/10A. Trigger current of opto-isolator: 5mA..
【Fault-tolerant Design】The relay will not operate even if the control line is disconnected..
【Universal Interface】Equipped with screwed terminal plate and fixed bolt holes(diameter: 3.1 mm) on both sides for easy installation..
【High Compatibility】The relay module can be controlled directly by 5V logic signals from microcontroller(8051, AVR, PIC, DSP, ARM, Raspberry Pi, MSP430, TTL logic etc).

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EVTSCAN Latest DPA51CM44 3-Phase Monitoring Relay, Current/Voltage Monitoring Relay Phase Sequence Protector for Three-Phase System, Without Neutral, Phase Loss, 208-480VAC

✈ PRODUCT NAME---Voltage Monitoring Relay.
Protection function: over voltage, under voltage.
Contact capacity: 6A 250VAC (resistivity).
✈ REAL-TIME MONITORING---The voltage monitoring relay could achieve real-time monitoring of dc overvoltage and undervoltage faults, and over-voltage, under-voltage value, and action time can be adjusted.
✈ MAIN FEATURES---The voltage monitoring relay is of 2 sets of normally open and normally closed contacts, 2 indicator lights indicate various working conditions, no additional auxiliary power supply is required.
✈ 35MM GUIDE RAIL---With 35mm guide rail and standard modular structure, the voltage monitoring relay is easy to install, easy to operate.
✈ TYPICAL APPLICATIONS---The voltage monitoring relay is typically applied in dc motor, battery,UPS power supply, dc switchgear, dc panel, industrial control system.

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100 INTELLid 26 Bit Clamshell Proximity Access Control Cards

1,100 Users over 2 Outputs. Codes may be 4~8 digits: - Output #1 – Form C relay, 1A@30VDC, 1,000 users - Output #2 – Form C relay, 1A@30VDC, 100 users.
Outputs can be programmed to activate for up to 99,999 seconds (nearly 28 hours).
Up to 50 (01~50) possible temporary visitor codes, which can be programmed for one-time or limited-time use (1~99 hours).
Programmable egress input with optional warning alarm and delayed egress.
Up to 50 (01~50) duress codes for output #1 and 10 (01~10) for output #2.
Duress code signals a silent alarm if an authorized user is forced to open the door under duress.
Keypad illuminates when a button is pressed.
backlight can be programmed for FULL, AUTO, or OFF in standby mode.
Real-time clock to auto-disable access at specific times.
Door sensor input for anti-tailgating operation, Door-propped-open warning, Door-forced-open warning, Durable and attractive stainless steel faceplate, IP66 Weatherproof Rating.

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