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Updated: 06 Apr 2026

10 Best Circuit Opening Relays

#1 Best Pick
Hilitchi 10Values Integrated Circuit Chip Assortment Kit opamp, Single Precision Timer, pwm LM324 LM358 LM386 LM393 UA741 NE5532 NE555 PC817 ULN2003 ULN2803(50)

Hilitchi 10Values Integrated Circuit Chip Assortment Kit opamp, Single Precision Timer, pwm LM324 LM358 LM386 LM393 UA741 NE5532 NE555 PC817 ULN2003 ULN2803(50)

Brand: Hilitchi
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  • ✅Durable material: Surface plated with nickel, which is not easy to rust and ensure a long service life.
  • ✅Many values, with 10 types for your choice. Clear Mark, easy to identify the models, enough quantity for your IC chip work.
  • ✅50PCS IC chip kit: LM324 - 5Pcs, LM358 - 5Pcs, LM386 - 5Pcs, LM393 - 5Pcs, UA741 - 5Pcs, NE5532 - 5Pcs, NE555 - 5Pcs, PC817 -5Pcs, ULN2003 - 5Pcs, ULN2803 - 5Pcs.
  • ✅Used with circuit board: choose the appropriate model you need and install it in the right position.
  • ✅We offer a variety of useful IC types for your daily assembly application, such as precision timers, dual operational amplifiers, audio amplifiers, darlington arrays, quad operational amplifiers, etc. Also, you could DIY your own circuit boards.
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#2 Best Value
Kaifucy 6X RC Absorption/Snubber Circuit Module Relay Contact Protection Resistance Surge

Kaifucy 6X RC Absorption/Snubber Circuit Module Relay Contact Protection Resistance Surge

Brand: Kaifucy
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  • For AC or DC 5 ~ 400V inductive load (less than 1000W), protection relay contacts or thyristor.
  • RC absorption circuit,absorb induced electromotive force that from inductive load.
  • RC absorption circuit module used on protecting the relay or thyristor because it can avoid damage that from inductive electromotive force generated by the inductive load when on or off. Preventing electromagnetic interference and increasing the anti-jamming capability of the microcontroller.
  • With varistor, to prevent excessive fluctuations in voltage or current is too large and resulting in relay contact adhesion.
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#3 Budget Pick
Justivana 3X RC Absorption/Snubber Circuit Module Relay Contact Protection Resistance Surge

Justivana 3X RC Absorption/Snubber Circuit Module Relay Contact Protection Resistance Surge

Brand: Justivana
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  • For AC or DC 5 ~ 400V inductive load (less than 1000W), protection relay contacts or thyristor.
  • RC absorption circuit,absorb induced electromotive force that from inductive load.
  • RC absorption circuit module used on protecting the relay or thyristor because it can avoid damage that from inductive electromotive force generated by the inductive load when on or off. Preventing electromagnetic interference and increasing the anti-jamming capability of the microcontroller.
  • With varistor, to prevent excessive fluctuations in voltage or current is too large and resulting in relay contact adhesion.
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#4 Top Choice
SOLUSTRE 10pcs Latching Relay Module Mini Relay for Circuit Automation Easy to Install and Compact Design for Electronic Projects

SOLUSTRE 10pcs Latching Relay Module Mini Relay for Circuit Automation Easy to Install and Compact Design for Electronic Projects

Brand: SOLUSTRE
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  • Electric circuit relay: double pole double , low coil power consumption, ,dpdt relay
  • Electric relay: replace your old or broken latching relay with a new one,micro relay
  • 24v relay: a good substitute pcb power relay for your broken or worn out one,8 pin power relay
  • Uses: widely used in remote control, , communication, automatic control, and power electronic equipment,dc power supply,pcb relay
  • Communication relay: with fine workmanship, simple in design and very practical in use, easily win your favors,power relay coil
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#5 Popular Choice
Create idea 5x Miniature SPST-NO PCB Relay HRS3FN-S-DC5V-A for Electronic Control Boards Control Circuits Non-Latch

Create idea 5x Miniature SPST-NO PCB Relay HRS3FN-S-DC5V-A for Electronic Control Boards Control Circuits Non-Latch

Brand: Create idea
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  • Relay part number: HRS3FN-S-DC5V-A, 616310, small PCB mounting type, high-quality plastic packaging, good insulation performance, to ensure stable circuit operation.
  • The relay coil voltage: 5V, mounting type: PCB, contact configuration: single-pole single-throw normally open contact, operating temperature: -40 to +85°C, switching current: 10A,
  • Switching power: 2500VA, 300W, maximum switching voltage (AC): 277V, maximum switching voltage (DC): 30V.
  • The relay structure type is SPST-NO (normally open single-pole single-throw), suitable for single-way switch control scenarios.
  • The relay is suitable for various electronic control boards, smart home systems, power management equipment, industrial control circuits and other scenarios.
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#6 Top Pick
Aexit Bistable (Control electrical) Latching Relay Expansion Circuit Board Module (37ry584qf394) SCM Control

Aexit Bistable (Control electrical) Latching Relay Expansion Circuit Board Module (37ry584qf394) SCM Control

Brand: Aexit
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  • Material: Metal
  • Net Weight: 20g
  • Package Content: 1 x Bistable Latching Relay Module
  • Country of Manufacture: CHINA
  • Product Name: Bistable Latching Relay Module<br>(121678tta7866322htgf2518552)
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#7 Top Pick
MHCOZY WiFi Wireless Smart Switch Relay Module for Smart Home 5V/12V,WiFi Momentary and Self-Locking Relay,Be Applied to Access Control, Add WiFi Remote to Garage Door (WiFi Garage Door Opener)

MHCOZY WiFi Wireless Smart Switch Relay Module for Smart Home 5V/12V,WiFi Momentary and Self-Locking Relay,Be Applied to Access Control, Add WiFi Remote to Garage Door (WiFi Garage Door Opener)

Brand: MHCOZY
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  • WIFI app remote and voice control,and extra 433Mhz RF control,Automate your Garage to WIFI Smart Garage Door Opener,no hub,no year fees, Wireless remote control your garage door by phone through smart life app remote anywhere,with extra 433mhz receiver built in,you can pair with your 433mhz RF for elder.hands free to tell Alexa Google home assistant to open the door when busy,using open/close the garage door short voice command
  • Super Easy to Configure,just power it with phone adapter and micro usb cable(don't include).once it's powered,connect to phone bluetooth,then enter your wifi network password,you will finish configure with smart life app. Smart life/tuya app remote control,set schedule as your need.Easy to Set up,Power up by 5V Adapter,Sensor with Cable Included,Existing Remote and Keypads Still Works.Please noted it support 2.4G WIFI only
  • Get reminder&history record,get real status from app,Never Worry about if Garage Door is Open Again
  • Compatible with Most Garage Door Openers,with extra 433mhz function,work with alexa assistant, you can create more scenes as your need,open the door when driving near or close the door after driving away from your home
  • Share Control to your family,Invite Family to Enjoy Free Remote Control,pair extra 433mhz RF in your car for spare
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#8 Top Pick
5pcs Circuit Electromagnetic Suppression Module RC Snubber Absorption Circuit Module for Protection of Relay Contacts, Thyristors

5pcs Circuit Electromagnetic Suppression Module RC Snubber Absorption Circuit Module for Protection of Relay Contacts, Thyristors

Brand: TopHomer
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  • INTERFERENCE REDUCTION This module is designed to reduce electromagnetic interference and increase the immunity of microcontrollers, ensuring stable and continuous performance in various electronic environments
  • EASY WIRING CONFIGURATION With crimp terminals, this module offers a compact and lightweight design that facilitates installation in circuits and makes it user friendly and versatile for numerous applications
  • Reliable Protection This RC snubber circuit module protects relay and thyristors from damage caused by the induced electromotive force when switching inductive loads on or off, ensuring reliable operation and longer component life
  • Stable Voltage Management This varistor-equipped module prevents relay contacts from sticking due to excessive voltage fluctuations or high currents, ensuring consistent voltage management and minimizing power fluctuations
  • Flexible Load Compatibility This module is suitable for inductive AC or DC loads from 5V to 400V and below 1000W, effectively protecting relay contacts and thyristors. This makes it versatile in various electrical systems
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#9 Top Pick
5PCS XH-M131 photosensitive Resistor Module Brightness Automatic Control Module Light Relay Switch (5V)

5PCS XH-M131 photosensitive Resistor Module Brightness Automatic Control Module Light Relay Switch (5V)

Brand: Senzooe
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  • 5PCS XH-M131 photosensitive resistor module brightness automatic control module light relay switch
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#10 Top Pick
WVE by NTK 1R1441 Circuit Opening Relay

WVE by NTK 1R1441 Circuit Opening Relay

Brand: WVE by NTK
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  • Relays carry high-amperage current controlled by a low-current switch
  • When a faulty relay is not replaced, the circuit will either be non-functional or remain engaged
  • Designed to meet or exceed OE specifications in form, fit and function
  • Global coverage for import and/or domestic applications
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