Reviews Multifunction Protection Relay

SainSmart USB 4 Channel Relay Automation (5V)

  • NOYITO 2-Channel Micro USB Relay Module is equipped with a stable USB to serial port chip and a microcontroller. It can use the serial port debugging software to send serial commands on the computer to control the opening and closing of the 2-channel relay..
  • Onboard high performance microcontroller chip, CH340 USB control chip.With power LED indicator and relay status LED.On-board 2-channel 5V, 10A/250VAC, 10A/30VDC relay, long relay life, can work 100,000 times continuously..
  • Module with overcurrent protection and relay diode freewheel protection..
  • NOYITO 8-Channel Micro USB Relay Module ASIN：B09RGTSHHW.
  • NOYITO 4-Channel Micro USB Relay Module ASIN：B09RGVQXXT.
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Hilitand AD22B04 12V Signal Decoder 4 Channel DTMF Tone Relay Phone Remote Control PLC

  • 【12V】Working voltage is DC 12V, you can easily find suitable power for this relay..
  • 【reverse polarity protection.】This signal decoder relay ahs reverse polarity protection which can extend the service life..
  • 【8 modes】8 modes of operation: Non-locking (Momentary ), self-locking (Toggle), inter-locking(Latch), 5/20/60/120/250-second delay..
  • 【default control】The default control command is 1/2/3/4. Example: Dial 1 to control relay 1, dial 2 to control relay 2, dial 3 to control relay 3, dial 4 to control relay 4.
  • control commands can be changed any 1-4 bits. (For more details, refer to "AD22B04_4 channel DTMF controller commands setting manual ")..
  • 【operating current】Standby 11-13 MA, 1 relay "open" 44MA, 2 relays "Open" 77MA, 3 relays "Open" 110MA, 4 relays"open" 140MA..
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2PCS 2-Pin Electronic Turn Signal Flasher Relay Adjustable LED Flasher Relay Suitable for Motorcycle Turn Signal Indicator LED Flasher

  • Safety Protection: Using advanced SMD patch technology, it has automatic short-circuit protection, automatic overload protection, and....
  • 12V LED Flash: LED Turn Signal Relay Design, Universal 12V Motorcycle, Car, etc. Note: (Please double check your relay and make sure this is the....
  • Specifications: This LED turn signal flasher relay is designed with 2 pins, working voltage: 12V, maximum power: 42W, working temperature: -40°C to....
  • Easy Installation: the turn signal relay is plug and play, waterproof, and easy to install.
  • please check the pin position when installing, the flash....
  • Adjustable Speed: You can adjust the flashing frequency of the LED flash relay to the speed you want, slow clockwise, fast counterclockwise.
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Relay, NR2-36 Electric Heat Protect Thermal Overload Relay 23-32A Motor Protector Electric Authorized Thermal Accessory

  • HIGH-QUALITY MATERIALS: We guarantee that all thermal relays are made of high quality materials and have a long service life..
  • RATED RANGE: This thermal relay can be used in the circuit of 50-60hz, the rated insulation voltage is 690V..
  • GOOD PROTECTION: The relay is used for protecting the phase break when the electric motor is overload..
  • HIGH EFFICIENCY: The relay has different mechanism and temperature compensation, with high efficiency and excellent performance..
  • SPECIFIC FUNCTION: The overload protection relay has phase break protection, manual and automatic reset, temperature compensation, trip indication, test button, stop button..
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Taidda USB Relay Module, Sturdy Durable Lightweight Lcus1 USB Relay Module Intelligent USB Switch Control Module Onboard Ch340 Control Chip

  • Onboard high performance microcontroller chip.
  • Module with overcurrent protection and relay diode freewheel protection.
  • On-board 5V, 10A/250VAC, 10A/30VDC relay, long life of relay can be continuously sucked 100,000 times.
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Over-Voltage Under-Voltage Protection Monitoring Relay Circuit Breaker Adjustable Control Module DC 12V/24V/36V/48V(DC24V)

  • Voltage RegulationWhen a faulty line occurs, the voltage protection relay can adjust the overvoltage value and the action time, and record the fault for more flexible use..
  • Real-time MonitoringThe voltage protection relay can monitor overvoltage and undervoltage faults in real time and take protective measures in time..
  • LED DisplayThe voltage protection relay includes two sets of normally open and closed contacts, and the two indicator lights respectively indicate different working states..
  • Rail MountingThe voltage protection relay adopts a standard modular structure and is mounted on a 35mm rail without additional auxiliary power..
  • Our ServiceWe strive to provide you with the highest quality product and the best customer experience, if you're not entirely satisfied, please just feel free to contact us at any time..
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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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GRV8-03 Monitoring Relay, 176V-552V Ultrasmall Three Phase Voltage Relay Voltage Monitoring Relay Adjust for Mobile Device Connection Control(M265)

  • ...r and convenient use and install, and the size of the Monitoring Relay is 8.1 x 6.7 x 1.75 cm/3.1 x 2.6 x 0.6 inch, you can install it on any places around the room, saving a lot of place.
  • Multi-functioanl: This DPA51CM44 3-Phase Monitoring Relay has a widely use on the electric filed, and it can be applied to motor protection, elevator, air conditioning system, power system and other industries, very helpful tool during daily life.
  • Work Well: DPA51CM44 3-Phase Monitoring Relay features with strong anti-interference performance, so it helps maintain a constant and efficient work of the motor, it will provide an excellent performance during the working process.
  • 3-Phase Design: This Current Monitoring Relay is designed with 3-Phase Monitoring Relay to provide a correct phase sequence, without neutral, phase Loss and Incorrect phase sequence, so it can detect when all phases are present and have the correct sequence.
  • LED Indication: This DPA51CM44 Monitoring Relay features an LED indication for easier installation and trouble shooting, which permits a maximum degree of protection to be achieved for machines, plants and systems, and avoid far more significant subsequent damage, very convenient and useful.
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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..
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Wiring Harness 1 Lead, YCHOW-TECH Wiring Harness for LED Light Bar 12V 40A On/Off Rocker Switch Blade Fuse Power Relay Heavy Duty Light Bar Wiring Harness Kit for Truck UTV AVT Boat

  • Power Relay Fuse: 30A Fuse. Our luxurious Nylon Wiring Harness Kit loads capacity is up to 400W auxiliary lights or other devices, perfect compatible with all devices that use a 12V power source..
  • HIGH DURABILITY - The flexible strand copper wire and nylon shell provide outstanding electrical conductivity, high temperature resistance and melting resistance..
  • SAFETY PROTECTION - Power relay for safety and conversion circuit, blade fuse for overload and short-circuit protection. Double protection for you to drive away from danger..
  • 8.2 FT Length Wiring Harness - Approx. 8.2 ft of cable from relay to the lead, the wire is long enough to reach all the part you need..
  • Package Include - (1) 8.2 ft Nylon jacket wiring harness.
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