1
DPST relay: 1 Normally Open, 1 Normally Closed.
Rated for 8A at 250VAC or 30VDC.
Compatible with AC or DC 12V control voltage.
Compact design for easy installation anywhere.
LED indicator shows relay action status.
Two screw mounting holes for secure attachment.
Convenient for various electronic projects and applications.
Average Rating out of 5:
Price Range: $15.00
Material: Silver
2
2-channel relay module for versatile applications.
12V operating voltage for reliable performance.
High-current relays with AC and DC load support.
Opto-isolated for enhanced safety and reliability.
Individually controlled relays for flexible switching.
Easy connection with standard microcontroller interfaces.
Includes terminal plate and mounting bolt holes.
Average Rating out of 5:
Price Range: $8.99
Material: Nickel
3
8-channel relay module for versatile control.
12V operation with high-current relay support.
Opto-isolated inputs for reliable triggering.
Fault-tolerant design ensures stability.
Maximum load: AC 250V/10A, DC 30V/10A.
Easy connection with microcontrollers and devices.
Includes screwed terminal plate for secure connections.
Average Rating out of 5:
Price Range: $8.99
4
SPDT relay with 10A current rating.
Compatible with AC/DC 12V input signals.
Includes pre-wired connections for easy installation.
Durable polycarbonate plastic enclosure for protection.
LED indicator for operational status visibility.
Flexible mounting options with 1/2” nipple.
Includes necessary screws and locknut for assembly.
Average Rating out of 5:
Price Range: $18.00
Material: Silver
5
Voltage detection range: 0-99.9V.
Working voltage: DC 10-16V (12V version).
Current consumption: 16mA standby, 45mA relay.
Relay contact load: 10A/277VAC, 10A/30VDC.
Supports over voltage protection and timing control.
Includes user manual for easy setup.
Compact design for various applications.
Average Rating out of 5:
Price Range: $11.99
Material: Silver
6
5V 1 Channel self-locking relay module
Double-panel design for stability and reliability
Strong anti-interference, prevents accidental triggers
High-power regulator for stable voltage supply
Genuine Songle relay handles high loads
External trigger switch option included
Convenient seat and lead wire provided
Average Rating out of 5:
Price Range: $7.39
Material: Silver Tungsten
7
30-channel Ethernet relay module for industrial applications.
Supports Modbus RTU and Modbus TCP protocols.
Power over Ethernet (PoE) for easy installation.
Includes ABS rail-mount case for durability.
Flash-on and flash-off relay control feature.
Optocoupler isolation for high-voltage protection.
Reverse-proof circuit prevents accidental damage.
Average Rating out of 5:
Price Range: $86.99
8
High precision voltage comparator module.
0.1V resolution accuracy for reliable measurements.
Three voltage options: 5V, 12V, 24V.
Relay activates based on input-reference voltage comparison.
Indicator lights show active channel status.
Ideal for automotive and industrial applications.
Perfect for experimental and circuit testing.
Average Rating out of 5:
Price Range: $18.69
Material: Silver
9
Universal range: 190-480VAC, 50/60Hz for versatility.
Four adjustment pots for customized applications.
Diagnostic LEDs indicate trip status easily.
Microcontroller-based for accuracy and reliability.
Detects single-phase conditions effectively.
Ideal for global applications and environments.
Compact design for easy installation and use.
Average Rating out of 5:
Price Range: $118.78
10
Monitors voltage levels for three-phase motors.
Operates within a 190-480V range.
8-pin octal base for easy installation.
Protects against voltage spikes and drops.
Compact design suitable for tight spaces.
Reliable performance for various industrial applications.
Enhances motor lifespan and efficiency.
Average Rating out of 5:
Price Range: $104.50
11
Four-channel input and output control
20 customizable timing functions available
Wide voltage input: 8V-36V DC
Power anti-reverse connection protection
Power and relay indicator lights
Accurate timing with less than 1% error
Energy-saving automatic power function included
Average Rating out of 5:
Price Range: $16.80
Material: Silver
12
Comprehensive overvoltage and undervoltage protection.
Double LED display for real-time data access.
Customizable overvoltage and undervoltage settings.
Low power consumption ensures energy efficiency.
Robust construction for long-lasting durability.
Flexible reset mode for easy troubleshooting.
User-friendly design enhances operational convenience.
Price Range: $11.62
13
Includes 2 DC Voltage Protection Modules.
Programmable low voltage disconnect for battery safety.
Compatible with 12-36V lead-acid and lithium batteries.
Accurate voltage monitoring for reliable performance.
Protects against over-charging and over-discharging.
Short-circuit and over-current protection features included.
Excellent customer service for product-related inquiries.
Price Range: $6.99
14
35mm DIN rail mount for easy installation.
Monitors overvoltage and undervoltage conditions.
Records last 5 fault events for analysis.
Adjustable thresholds for voltage protection settings.
Automatic reset after voltage returns to normal.
Flame retardant material for high-temperature durability.
Suitable for various industrial applications and devices.
Average Rating out of 5:
Price Range: $56.63
15
4-channel relay module for versatile applications.
Compatible with various microcontrollers and systems.
High and low level trigger options available.
Optocoupler isolation for enhanced performance.
Efficient power usage with low-trigger current design.
Easy installation with 3.1mm mounting holes.
Reliable and stable operation for all projects.
Price Range: $16.69
16
Double LED display for easy monitoring. Adjustable overvoltage and undervoltage settings. Protects against overcurrent and faults. DIN rail installation for convenience. Low power consumption ensures efficiency. Long mechanical life for durability. Reset mode selection for user preference.
Average Rating out of 5:
Price Range: $15.99
17
Three-phase monitoring for reliability and safety.
Powered by measuring circuit, no auxiliary power needed.
Two groups of normally open/close contacts available.
Includes two indicator lights for operational status.
Standard modular design for easy installation.
Suitable for various industrial applications and machinery.
Protects against phase sequence and phase loss issues.
Price Range: $17.78
18
Compatible with 12V DC power supply
Six-channel design for versatile applications
High and low trigger options available
Self-locking and interlocking relay functionality
Maximum power consumption of 300mA
Ideal for automation and control projects
Easy to integrate with microcontrollers
Average Rating out of 5:
Price Range: $17.49
Material: Silver
19
Adjustable protection for over-voltage and under-voltage.
Instant power cut-off for enhanced safety.
Compatible with 230V single-phase AC systems.
Rated working current up to 63A.
Low power consumption for energy efficiency.
Durable design with long mechanical life.
Ideal for residential electrical equipment protection.
Average Rating out of 5:
Price Range: $11.12
Material: Copper
20
UL approved for safety and reliability.
Sealed construction for protection against contaminants.
SPDT design for versatile switching applications.
120Vac coil voltage for standard electrical systems.
UL/CUL and TUV certified for quality assurance.
Made in the USA for superior craftsmanship.
Ideal for various industrial and commercial uses.
Price Range: $16.99
21
Compact DIN rail mounting design for easy installation.
Monitors phase sequence and phase loss conditions.
Detects phase unbalance, overvoltage, and undervoltage.
Equipped with 1 C/O (SPDT) contact relay.
Five LED indicators for easy status monitoring.
Versatile applications in various electrical systems.
Ideal for air compressors and electric motors.
Price Range: $98.99
Size: 220V AC
22
Mature and stable design for reliable performance.
2-channel setup for versatile control options.
Supports AC250V or DC30V load control.
4M flash memory for extensive programming capacity.
Ideal for smart home and automation projects.
Includes UART port for easy programming access.
Perfect for secondary development and learning.
Average Rating out of 5:
Price Range: $17.91
23
Adjustable overvoltage and undervoltage settings.
Real-time monitoring for voltage stability.
Two reset methods: automatic and manual.
Standard DIN rail installation for easy setup.
Wide voltage range: AC 208V to 480V.
Durable design with low power consumption.
Suitable for various industrial applications.
Average Rating out of 5:
Price Range: $34.71
24
Instantly cuts power during overvoltage or undervoltage.
Automatically recovers when conditions normalize.
Adjustable overvoltage and undervoltage protection settings.
Customizable overcurrent protection and delay time.
Durable design with low power consumption.
Double LED display shows voltage and current readings.
Voltage and current correction from -9.5% to 9.5%.
Average Rating out of 5:
Price Range: $42.99
Size: 100A
Color: WHITE
Material: Copper
25
1-channel relay module for versatile applications.
Supports AC up to 250V and 10A current.
DC voltage support up to 30V and 10A.
Compact size: 2.7x4.4 cm for easy integration.
Includes pre-drilled mounting holes for secure installation.
Green power indicator and red status lights included.
Compatible with 5V, 12V, and 24V systems.
Average Rating out of 5:
Price Range: $7.29
26
Protects electronics from overvoltage and undervoltage.
Double LED display for easy monitoring.
Adjustable overvoltage and undervoltage settings.
Handles up to 63A electrical loads.
Includes reset mode selection for convenience.
Low power consumption and high efficiency.
Long mechanical life for durable performance.
Average Rating out of 5:
Price Range: $16.39
