Electrical Supplies › Digital › circuit board low voltage switch

12-24V LED Digital Voltage Meter Independent Switch Low Voltage Alarm Universal

Feature 100% brand new and high quality Universal for: Motorbike Car / Boat / ATV / UTV / Camper / Caravans / Travel Trailer etc. LED Digital Display: Precise 3-bit LED digital display Low Voltage Alarm System(Sound alarm when voltage is below 11.5V)... more

Piartly Household Digital Display DC 5-30V Adjustable Voltage Converter Stepdown Stepup Power Module Regulator Circuit Boards

Description: Digital display: This power module is designed with a screen that makes you can easily read and use. Useful tool: The regulator module can stepdown and stepup the voltage meeting your different needs. Safe to use: This stepdown module... more

5PCS XH-M609 Low Voltage Disconnect Switch Cut Off Digital LED Display Over-Discharge Protect for 12-36V Lithium Battery

Supply Voltage: DC 12-36V Output Voltage: Equal to supply voltage Control : 0.1V : Less than 1.5W Main functions: over charge protection over discharge protection function short circuit protection function over current protection function. Widely :This... more

-521 Digital Time Delay Relay Trigger Cycle Timer Delay Switch Circuit Board Timing Control Module

Wide voltage power supply (6 ~ 30V) supports micro-USB 5.0V power supply easy to use; The interface is clear and simple powerful easy to understand meet almost all your needs; There is a key stop function (STOP key) with reverse polarity protection... more

3X -521 Digital Time Delay Relay Trigger Cycle Timer Delay Switch Circuit Board Timing Control Module

Wide voltage power supply (6 ~ 30V) supports micro-USB 5.0V power supply easy to use; The interface is clear and simple powerful easy to understand meet almost all your needs; There is a key stop function (STOP key) with reverse polarity protection... more

-521 Digital Time Delay Relay Trigger Timer Delay Switch Circuit Board Timing Control Module

All setup parameters are saved automatically power down. Operating voltage: 6--30V support micro-USB 5.0V power supply The trigger source: high trigger (3.0V-24V) signal with no common ground system to improve anti-jamming capability of the system... more

10X -521 Digital Time Delay Relay Trigger Cycle Timer Delay Switch Circuit Board Timing Control Module

All setup parameters are saved automatically power down. Operating voltage: 6--30V support micro-USB 5.0V power supply The trigger source: high trigger (3.0V-24V) signal with no common ground system to improve anti-jamming capability of the system... more

XINYUAN XH-M609 Low Voltage Disconnect Switch Cut Off 12-36V Digital LED Protec Y5L0

Power supply voltage: DC 12-36V Output voltage: equal to the supply voltage Control accuracy: 0.1V Power consumption: ＜ 1.5W Scope of use: Various batteries/lithium batteries Net weight: 28g Product size: 57 * 42 * 19mm Product wiring Set the usage... more

GHYJPAJK XH-M609 Low Voltage Disconnect Switch Cut Off 12-36V Digital LED Protec

Power supply voltage: DC 12-36V Output voltage: equal to the supply voltage Control accuracy: 0.1V Power consumption: ＜ 1.5W Scope of use: Various batteries/lithium batteries Net weight: 28g Product size: 57 * 42 * 19mm Product wiring Set the usage... more

12-36V Low Voltage Digital Protector Disconnect Switch Cut Off Lithium Battery Over Discharge Protection Module Pack of 2

Description: Input Voltage: DC 12-36V Control Accuracy: 0.1V Maximum Amperage Before Breaker Trips: 20A Power Consumption:< 1.5W Compatible Battery: lead acid lithium ion battery solar panel battery Accurate Display: switch module will turn on or off... more

2X -521 Digital Time Delay Relay Trigger Cycle Timer Delay Switch Circuit Board Timing Control Module

All setup parameters are saved automatically power down. Operating voltage: 6--30V support -USB 5.0V power supply The trigger source: high trigger (3.0V-24V) signal with no common ground system to improve anti-jamming capability of the system (also... more

2X DC 12V 24V LED Light Digital Time Delay Timing Delay Relay Switch Circuit Dual Mos Tube Control Board Module

Colour: blue Material: PCB Size: 6 x 3.4 x 1.2cm Package Contents: 2 x Dual MOS tube control board Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the picture a... more

Diymore DC 7-30V Digital LED Relay Board Dual-MOS Trigger Cycle Timing Circuit Switch Timer Delay Module

Features: 1.Dual time MOS output module stable and reliable timing relay module. 2.Four specifications are available including 0-10 seconds 0-100 seconds 0-30 minutes and 0-5 hours. 3.High accuracy 0-10 second version with an accuracy of 0.1 seconds... more

Diymore DC 7-30V Digital LED Relay Board Dual-MOS Trigger Cycle Timing Circuit Switch Timer Delay Module

Features: 1.Dual time MOS output module stable and reliable timing relay module. 2.Four specifications are available including 0-10 seconds 0-100 seconds 0-30 minutes and 0-5 hours. 3.High accuracy 0-10 second version with an accuracy of 0.1 seconds... more

Diymore DC 7-30V Digital LED Relay Board Dual-MOS Trigger Cycle Timing Circuit Switch Timer Delay Module

Features: 1.Dual time MOS output module stable and reliable timing relay module. 2.Four specifications are available including 0-10 seconds 0-100 seconds 0-30 minutes and 0-5 hours. 3.High accuracy 0-10 second version with an accuracy of 0.1 seconds... more

DC 6-30V Dual MOS LED Digital Time Delay Relay Switch Module Circuit Board

DC 12V 24V Dual MOS LED Digital Time Delay Relay Trigger Cycle Timer Delay Switch Circuit Board Timing Control Module DIY 0.1 seconds (min) to 999 minutes (max) continuously adjustable. This product is easy to use many functions but all buyers need to... more

Dual MOS LED Digital Time Delay Relay Trigger Cycle Timer Delay Switch Circuit Board Timing Control Relay Module

To achieve quick turn-on and off the circuit an unlimited number of switching; Conducting and cutting process does not produce noise no sparks no electromagnetic interference; Longer service time; The dual-MOS parallel drive lower resistance more... more

DC 6-30V Dual MOS LED Digital Time Delay Relay Switch Module Circuit Board

DC 12V 24V Dual MOS LED Digital Time Delay Relay Trigger Cycle Timer Delay Switch Circuit Board Timing Control Module DIY 0.1 seconds (min) to 999 minutes (max) continuously adjustable. This product is easy to use many functions but all buyers need to... more

Diymore DC 7-30V Digital LED Relay Board Dual-MOS Trigger Cycle Timing Circuit Switch Timer Delay Module

Features: 1.Dual time MOS output module stable and reliable timing relay module. 2.Four specifications are available including 0-10 seconds 0-100 seconds 0-30 minutes and 0-5 hours. 3.High accuracy 0-10 second version with an accuracy of 0.1 seconds... more

2Pcs DC12-24V MOS Digital Time Delay Relay Trigger Timer Delay Switch Circuit Board Timing Control Module

Name: Relay Module size: 6.0 x 3.4 x 1.2cm colour:Blue Material:PCB Package Contents: 2 x Trigger Cycle Timer Only the above package content other products are not included. Note: Light reflection and different displays may cause the color of the item... more

Relay Switch Controller DC 6~80V Voltage Detection Charging Discharge Monitor with Case Digital display DC voltage detection

A30: Features: Digital display DC voltage detection control the relay output. DC 6~80V relay interface board with 2 buttons for easy operation. With clear LED display convenient to check the value. Adjustable Voltage Detection Range: DC 0~99.9V. When... more

4in1 Digital Multimeter Infrared Thermometer Electric Test Pen Circuit Analyzer Detector 3.5inch LCD Color Display Handheld Multimeter True RMS 9999 Professional Voltage Capacitance Resistance

power supplies after detecting the lithium battery power depletion it will automatically switch to dry battery for power supplying. �Widely Appications】: Widely used in the electrical testing industry electrician industry electronic overhaul... more

ANCEL BST60 Car Battery Tester 12V 24V Batteries Digital Analyzer Voltage Power Test Charging Test Automotive Battery Scanner AGM/GEL/EFB Lead-acid Battery Checker Alternator Tester Circuit Load Test

Function List: 1. Test all 12V vehicle starting lead-acid batteries. 2. Show real-time voltage and battery charge with the result of LOW/MID/FULL. 3. Test charging system with the result of LOW/ OVER/CHARGE and display the charging voltage in real... more

Arealer 24VDisplay Digital Voltage Meter Test Control Relay Timer Time Delay Circuit Changer Module with Case

This controller with LED digital display adopts high-quality components and fully automatic SMT process for good performance. It has 1 voltage detection channel and a set of relay switch output(normally open and normally closed). Features: LED digital... more

Blue LED 12-24V Car Panel Digital Display Voltage Meter with Independent Switch

Feature 100% brand new and high quality Universal for: Motorbike Car / Boat / ATV / UTV / Camper / Caravans / Travel Trailer etc. LED Digital Display: Precise 3-bit LED digital display Low Voltage Alarm System(Sound alarm when voltage is below 11.5V)... more

Pecham 90101E 5Gang Multi-Function 5 Gang Rocker Dual USB Charger + Digital Volmeter +12V Outlet Pre-Wired Switch Panel with Circuit Breakers for RV Car Boat Truck Trailer 2 Years Warranty

Multi Functional Switch Panel: Product integrated with dual USB port digital voltmeter 12V outlet waterproof board and 5 on / off rocker switches this 12V/24V electrical panel can meet your various needs Safety Protection: Real time LED voltmeter shows... more

Nilight 90101E 5Gang Multi-Function 5 Gang Rocker Dual USB Charger + Digital Volmeter +12V Outlet Pre-Wired Switch Panel with Circuit Breakers for RV Car Boat Truck Trailer 2 Years Warranty

Multi Functional Switch Panel: Product integrated with dual USB port digital voltmeter 12V outlet waterproof board and 5 on / off rocker switches this 12V/24V electrical panel can meet your various needs Safety Protection: Real time LED voltmeter shows... more

Pinnaco Digital Boost Board 100W Step-Up Voltage Regulator Module with Adjustable Output and Digital Voltmeter - Ideal for DIY Electronics Projects

This is a powerful boost module that is used when there is no suitable high voltage supplys to suit driving load. It has a voltage display function it can display input voltage or output voltage just press button to switch; it tests voltage accuracy is... more

moobody Digital Boost Board 100W Step Up Module Voltage Regulator with Adjustable 4 35VDC To 5 45VDC Output and 5A Digital Voltmeter for Electronic Projects

This is a powerful boost module that is used when there is no suitable high voltage supplys to suit driving load. It has a voltage display function it can display input voltage or output voltage just press button to switch; it tests voltage accuracy is... more

12-24V LED Panel Digital Display Voltmeter Low Alarm W/ Independent Switch Blue

Feature and high quality Universal for: Motorbike Car / Boat / ATV / UTV / Camper / Caravans / Travel Trailer etc. LED Digital Display: Precise 3-bit LED digital display Low Voltage Alarm System(Sound alarm when voltage is below 11.5V) Independent... more

Diymore 5V 3.3V Logic Tester Pen Level Tester Digital Circuit Debugger Logic Pulser Analyzer Probe Circuit Tool with Dupont Line

Features: Affordable size for handheld Elastic probe for easy measurement DuPont wire-connected power supply development board learning board tool Tri-state display: high low level high impedance (disconnected) One-handed measurement convenient and... more

EOTVIA DC Current Detection Module Relay Switch Sensor Digital Display Motor Controller 12V Motor Control Relay Board DC Current Detection Module

Feature: 1. Control Module: When the current is too large or too small the relay switch will control line to connect and disconnect or give a . 2. Detection Range: Can conveniently detect DC 7‑30V current between 0‑10A and the detection voltage is... more

DEWIN Remote Switch Led Light Lamp 180?240V 3 Way ON/OFF Digital RF Remote Control Switch Wireless

Feature: 1.Suitable for droplight crystal lamp modern low pressure they absorb dome day flower light Fluorescent lamp energy saving light bulbs extractor fan etc. 2.The Working Voltage of the remote switch is AC180V - 240V 50Hz / 60Hz. 3.It can be used... more

DEWIN Remote Switch Led Light Lamp 180?240V 3 Way ON/OFF Digital RF Remote Control Switch Wireless

Feature: 1.Suitable for droplight crystal lamp modern low pressure they absorb dome day flower light Fluorescent lamp energy saving light bulbs extractor fan etc. 2.The Working Voltage of the remote switch is AC180V - 240V 50Hz / 60Hz. 3.It can be used... more

Fule LED Light Car Tool Digital LCD Tester Electric Voltage Test Pen Probe Detector

Features: *Brand new and high quality. *Made of high quality material durable and practical to use. *The sharp steel probe can easily pierce the wire insulation to check the circuit. *The probe pen is suitable for checking circuits fuses switches and... more

BAMILL LED Light Car Tool Digital LCD Tester Electric Voltage Test Pen Probe Detector

Features: *Brand new and high quality. *Made of high quality material durable and practical to use. *The sharp steel probe can easily pierce the wire insulation to check the circuit. *The probe pen is suitable for checking circuits fuses switches and... more

Cogfs LED Light Car Tool Digital LCD Tester Electric Voltage Test Pen Probe Detector

Features: *Brand new and high quality. *Made of high quality material durable and practical to use. *The sharp steel probe can easily pierce the wire insulation to check the circuit. *The probe pen is suitable for checking circuits fuses switches and... more

Yannee LED Light Car Tool Digital LCD Tester Electric Voltage Test Pen Probe Detector

Features: *Brand new and high quality. *Made of high quality material durable and practical to use. *The sharp steel probe can easily pierce the wire insulation to check the circuit. *The probe pen is suitable for checking circuits fuses switches and... more