Best Monitoring Relay

Automotive Relay Tester 12V Auto Relay Diagnostic Tool Battery Checker Small Relay Tester with Clips

  • Easy To Use - The tester will automatically detect the pin position, the release time of the action, and the consistency of the relay in each test phase. If the tester lights up the green LED light, the relay is normal.
  • if the red LED light is on, the relay is abnormal..
  • To Operate - First, clip the alligator clip of the tester to the car battery, the black clip on the negative pole, and the red clip on the positive pole. When the red LED light is on, it means the tester can start the test. Check the relay before testing. Select the appropriate socket according to the pins, insert the relay into sockets, press the "Test" button, and the tester will automatically detect the pin position of the unknown relay..
  • Fitment - Suitable for most general-purpose automotive relays on the market. When testing, it needs to be connected to the car's 11V-15V battery. The car battery must be a 12V battery, and the battery voltage must be between 11V-15V.
  • 2. The applicable coil resistance is preferably above 20 ohms..
  • Compact - Our automotive Relay tester is small and easy to carry around for on-the-go jobs or for easy storage. Its compact design allows easy use no matter where you are..
  • Simple and Quick - With our patented design this relay tester will give you the ....
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QCQIANG JQX-13F 8 Pin-10A AC 110V Electromagnetic Power Relay with Female Spade Electric Wire Connector(3pcs)

  • JQC-3F general purpose 5 pins SPST power relay PCB type mini power coil relay.
  • Contact : 7A 250VAC, 12A 120VAC/10A 125VAC, 10A 28VDC.
  • Coil 5 pins mini SPST power relay pin quantity : 5 Pin.
  • material : plastic, metal, electronic component.
  • Power relay size (Approx.) : 1.8 x 1.4 x 1.9cm / 0.7"""" x 0.6"""" x 0.7""""(L*W*T),widely used in the remote control, communication, automatic control system, electronic equipments, etc..
  • Power relay PCB type compact and sealed construction. Long operational life. The relay can automatically adjust, protect and transform the circuit.
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ELECTRONICS-SALON DPDT Signal Relay Module, 12Vdc, RY12W-K Relay. Has Assembled.

  • This item has been assembled, and electrical test passed..
  • Size: 50 x 34.9 x 16 mm (approximately 2" x 1.37" x 0.64"), PCB thickness: 1.6mm..
  • high quality signal relay, FR-4 Fiber glass PCB, darlington transistor driving relay, LED indicator for relay action..
  • Relay Contact Material: Gold Overlay Silver-Palladium..
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Painless Performance 80132 Single Pole, Double Throw Relay, 40 Amp

  • ★ The 8-channel relay module is equipped with transistors, diodes and optocouplers to switch higher loads safely, reliably and with little power. The module is also equipped with generously dimensioned relays in order to be able to reliably carry out many switching processes..
  • ★ 5V 8-channel relay module, each relay requires 70mA for switching (switching capacity AC: max. 250V / 10A.
  • ★ 5V 8-channel relay module can be controlled directly with a microcontroller Raspberry Pi, Arduin, 8051, AVR, PIC, DSP, ARM, ARM, MSP430, TTL logic, etc..
  • ★ The relay acts as a switch that responds to a signal from the Arduin. Because of this, it is widely used in IoT projects to control lights and other electronic devices..
  • ★ Application: MCU control, PLC control, industrial area, smart home.If you need this relay, you can buy it directly. If there is a problem during use, you can contact us at any time to refund or replace it..
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3v Relay Board Raspberry Pi Arduino Relay Module 1 Channel Opto-Isolate High Level Trigger for IOT ESP8266 Microcontrollers Development Board

  • 【1 Channel Relay Module】- This Relay Board provides a single relay that can be controlled by any 3V/3.3V digital input from your microcontroller IO..
  • 【Main Specification】- The 3v Relay 1 Channel power switch module compatible with 10A 250VAC and 10A 30VDC load.4pcs * 2.5 mm Fixed Bolt Hole..
  • 【Adopted Optocoupler Isolation】- 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..
  • 【Jumper Caps】You can select whether the relay and the signal use the same power supply or not by removing the jumper caps on the pins. And It is better to share the same power supply, because that is more convenient for using..
  • 【Wide Application】- These 3v relay board works well with Arduino/ ARM /PIC /AVR /MCU/Raspberry/CNC machine/ PS4/3.3V /NodeMCU/IOT/ ESP8266 module etc..
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Shelly 3 EM Wireless 3-Phase Energy Meter Remote Control Sunrise/Sunset Weekly Schedules Device - 1 Pack

  • POWER MEASUREMENT & CONTROL: Shelly 3EM gives owners enhanced safety and everyday control over appliances or machinery, along with the ability to make smart decisions about electrical consumption. The 3EM is a Wi-Fi energy measurement device, monitoring up to three phases between 110 and 240v per line..
  • MONOPHASE SYSTEMS: Shelly 3EM can calculate 2-way consumption: produced and used energy for each of the three phases. The device can be configured to measure three separate points of a mono-phase electrical system and measure each of them separately..
  • CONTACTOR CONTROL: Shelly 3EM has an integrated 10A relay output for contactor control..
  • NO HUB REQUIRED: You can control Shelly 3EM directly, no hub required. It is compatible with any Wi-Fi router. Or if you prefer you can connect it to your home automation platform..
  • OVERCONSUMPTION PROTECTION: Shelly 3EM can automatically notify and/or switch off the circuit if consumption or energy reaches the preset limit..
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QP2-4.7 Starter Relay QP2-4r7 Relay and Overload 1 Pin Refrigerator Starter Relay and 6750C-0005P Refrigerator Overload Protector Mini Refrigerator Parts Compatible with LG Refrigerator Compressor

  • 【What You Get】Our QP2-4.7 start relay package contains 1 x 4.7 Ohm 1-pin PTC start relay, 1 x 6750C-0005P refrigerator overload protector, set of....
  • 【Universal Parts】The QP2-4.7 start relay suitable for most brands in the market that uses 1 Pin QP2 4.7 Ohm Resistance. The refrigerator overload....
  • 【PTC Starter Relay】The PTC start relay is the generic starter relay applied on various brands of mini fridges and coolers, saving your time and....
  • 【Premium Materials】The overload protector is made of brass, durable, reliable and rust resistant. They are compatible with most mini fridges,....
  • 【Install & Replace】The QP2-4.7 start relay is easy to install and replace, which will work and restore cool air to your refrigerator. The mini....
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Kanruis 12V 20A DC to DC On-Board Battery Charger for AGM Gel Calcium LiFePO4 VRLA Battery with Multi-Protections Multi-Stage Charging

  • APPLICATION: Kanruis DC to DC battery charger is sophisticated multi stage charger, utilizing switch mode and fully automatic computerized control,....
  • SAFE AND RELIABLE: The charger integrates over charging, short circuit, over temperature, thermal overload, solar input overload and input/output....
  • DUAL INPUT: Priority to charge from the main battery, and then from solar panel, no relay or switching required. Microchip monitoring and....
  • SUPERIOR DESIGN: Heavy duty aluminum case and mounting brackets contributes to resist harsh conditions and high quality wires ensure long last....
  • BATTERY-FRIENDLY: Use Pulse Charging Algorithm, which is designed to select the optimum charge mode and revive your discharged battery. And....
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12V Fuse and Relay Box with 6 Slots ATC ATO Blade Fuses and 5pcs 5Pins JD1914 40A Relay and 1pcs 4Pin RTT7121 40A Relay, Fuse Relay Box Kit for Car Truck Trailer Boat

  • Universal: Automotive relay fuse box has high capacity holder box, equipped with 5 5-Pin JD1914 12V 40A Relays and 1 4-Pin RTT7121 12V 40A Relay, and 6 ATC/ATO blade fuses 5A, 10A, 15A, 20A, 25A, 30A, relay fuse box can meet different types of needs, suitable for all ships, RVs, cars, etc.
  • High Performance: The car relay fuse box is an insulating case with strong tamper-proof performance, with a top cover and bottom cover for dustproof, the cable opening hole is the outlet for all wires, which can be well connected together and better shielded from water splashes , dust and debris.
  • Safe and Durable: The car relay fuse box shell is made of high-quality nylon material flame retardant shell, each slot has a precise cutout, and an arc socket is reserved on the edge, so that all your wiring is neat and beautiful, and the overall structure is of solid quality Reliable, excellent metal pin ① blade fuse 12PCS ② 2 big 2 small 4 pin relay ③ 25PCS 5 pin relay.
  • Complete Parts: The unit is equipped with 42 terminals, including 30 relay copper terminals and 12 zinc-plated fuse terminals, all necessary connection pins are included, ....
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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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