Best Songhe in 2026

Optocoupler Isolator:3V/3.3V power relay module supports photocoupler isolation control.

30VDC 250VAC Load：The power switch is compatible with 10A 250VAC and 10A 30VDC load.

This module can be applied to fields in the input voltage is higher than the step-down output voltage, such as batteries, power transformers, DIY adjustable power supply, 24V Car T of the power equipment industry buck, 12V switch 3.3V, 12V switch 5V, 24V switch 5V, 24V switch 12V, 36V 24V turn and so on.

With a voltage meter and voltmeter displays self-calibration. Uses a more advanced microprocessor voltage voltmeter error ± 0.05V, Range 0 ~ 40V. (To ensure accuracy voltmeter, make sure the input voltage of 4.5V and above)

Touch of a button to switch the input or output voltage measurements and has a light show which is being measured voltages, and save the settings, even the power off and then on

Operating voltage: DC3-5V;Operating current: less than 20mA

Sensor Type: Analog

Operating temperature:10-30

based on I2C interface of the I/O expansion module, 2 I/O scalable 8 I/O (can be used at the same time up to 8 PCF8574, expanded to 64 input/output (I/O)

Supports two interface type to access the target board: header or seat;Support I2C bus cascade (through the header, seat docking simulation,, at the same time using a plurality of I2C module)

the I/O resources in short supply and the MCU I/O expansion

125 Channels, Multi-point communication and frequency hopping to meet the communication needs

Built-in hardware CRC error detection, Multipoint communication address control.

Low-power 1.9 ~ 3.6V, only 1uA on Power down mode

Fast start up, loading and file transfers

More reliable and durable than a hard drive

Multiple capacities with space for applications or a hard drive replacement

Sequential reads/writes up to 560/510 MB/s and random reads/writes up to 95K/90K on all file types

Accelerated by Micron 3D NAND technology

Integrated Power Loss Immunity preserves all your saved work if the power unexpectedly gets cut

Never go beyond its capabilities. Try to stay 10 to 15% below what the rate is for

12-volt 5-prong relay. Excellent water-repellent and dustproof ability, but not using it in water

Be careful when plugging the relay into the socket. If you push hard, you will bend the female connector

HIGH SWITCHING CAPABILITY: 5-Pin SPDT (Single Pole Double Throw) 30/40 A Relay.

INTERLOCKING RELAY SOCKET: The relay socket harness base is interlocking designed for easy cable management and organization.

GREAT QUALITY: The durable relay and heavy duty relay socket with 5 wires are made by high-grade materials to ensure superior quality.

Heavy duty 4-prongs SPST relays, jd1912 12v 40a relay

Use optional Relay Harness, or female Crimp Connectors

High 40A coil capacity- able to handle those high current applications with ease

Gikfun Packing 20pcs OPTOCOUPLER DIP-4 PC817C PC817

Number of Pin: 4

Pin Pitch: 2.54mm

The HELLA ValueFit driving light's high-performance LEDs and a precisely calculated reflector create the ideal light you need when you need it! Count on HELLA!

Aluminum die cast housing provides effective heat dissipation via cooling ribs on the back and an extremely light weight design

Off Road Use Only. This light will fit your needs for trucks, cars, SUV's, all-terrain vehicles and pretty much anything you can imagine.

Supports Raspberry Pi A+ 3A+ B+ 2B 3B 3B+ 4B, the RPi Relay Board gives your Pi the ability to control high voltage/high current devices, easily makes normal home appliances become intelligent.

High quality Panasonic JS1-5V-F power relays, loads up to 10Amp/250VAC, 5Amp 30VDC.

One LED for power and three LEDs for relays status indicating. Darlington transistors circuit driving relay, improve the reliability of action. Relay control jumper, allows to control the relays by custom pins other than the default pins

Product Type:Dip Switch

Item Package Weight:0.204 Kilograms

Item Package Dimension:6.35 cm L X11.176 cm W X17.018 cm H

The module uses genuine quality relay, normally open interfaces , Maximum load: AC 250V/10A, DC 30V/10A.

Using SMD optocoupler isolation, strong driving capability, stable performance; trigger current 5mA.

Fault-tolerant design, even if the control line is broken, the relay will not move.

The module uses genuine quality relay, normally open interfaces

Maximum load: AC 250V/10A, DC 30V/10A

SMD optocoupler isolation, strong driving ability, stable performance; trigger current 5mA

♥【What You Get】Each package With 2 mini bag of thermal grease which apply on the back of the SSR to make the temperature dissipate faster.

♥ Product Name: solid state module relay SSR-25DA, 3-32VDC/24-480VAC ; Current & Frequency:25A,50/60Hz.

♥ Total size (approximate):58 x 45 x 32mm/2.3" x 1.8" x 1.26" (l*w*t); Net weight:116g; Material:metal, plastic, electronic parts.

Optocoupler Isolator:3V/3.3V power relay module supports photocoupler isolation control.

30VDC 250VAC Load：The power switch is compatible with 10A 250VAC and 10A 30VDC load.

4-gauge, top post dual cable type

Fit type: Universal

Made in China

Special attention: the current of this product is 10A for a long time.A large heat sink or fan need to be added.Model: SSR-40DA Solid State Relay 40A DC to AC

Input voltage: 3-32V DC Output voltage: 24-380V AC

Output current: 40A(≤50%); Working Voltage: 250V;

12V 30A 5-Prongs High-current welded connections for reliability,model JD1914-12V-30A

Standard is a global manufacturer of original equipment ignition products; complete quality control is maintained through the manufacturing process from componentry to finished product

High quality composite housings protect against harsh temperatures and severe under hood conditions

40A Solid State Relay Specifications:Load Voltage: 24-380VAC

Load Current: 40A

Input Voltage: DC 3-32V

Controls oil burner, oil valve (if desired) and the ignition transformer in response to a call for heat

Solid state flame sensing circuit

LED on terminal strip indicates system lockout

Reversing relay module. Powers any reversing motor equipment, can be used for any application that requires the ability to reverse motion

Support Momentary-action(Self-resetting) switch and Alternate-action (Self-holding) switch. For Self-resetting switch, when the switch is pressed the motor operates, and when the switch is released the motor stops.

Compact plastic case and wires connect for easy mount.

Model: SSR-40DA, single phase Solid State Relay 60A DC to AC control, CE Compliant to EN60950-1

Input voltage 3-32V DC, Load voltage 24-380V AC, Max load current 40 Amp

Rugged epoxy encapsulation construction, high isolation over than 50MΩ(500VDC), high dielectric over than 2.5KV, output snubber circuit protection

Input control signal: Voltage AC or DC 12V, Current 33mA.

Output switch DPST 1NO 1NC(Double Pole Single Throw, 1x Normally Open and 1x Normally Close ), rated current 8A/250VAC or 8A/30VDC (one switch).

Compact plastic case and wires connects for easy mount. LED indication for relay action.

Product name : solid state relay; Model No.: SSR-40DA；If you want to reach 40A, you need to add a large heat sink and fan

Current : 40A;Frequency : 50/60Hz; output Voltage : 24-480vac；Special attention:This relay cannot be used for more than 15A for a long time.If that actual use current exceeds 15A，It is necessary to separately configure the heat sink.

Control Voltage : 3-32vdc; mounting hole diameter : 4.5Mm/0.18"

Module uses genuine high quality relay, normally open interface maximum load: AC 250V / 10A, DC 30V / 10A

Using optocoupler chip isolation, strong drive capability, stable performance; trigger current 5mA

Module can be set by jumper high or low trigger

Input: 12V DC (relay powered)

Control voltage: 250V Max

30A High Current 12V Contactor relay Switch DC power Switching Control Board

Special attention: The current of this product is 10A for a long time.A large heat sink or fan need to be added.Model: SSR-40AA Solid State Relay 40A AC to AC

Input: 80-250V AC Load: 24-380V AC

Heat Sink Mounting Thread Diameter (Approx.) : 0.5cm / 0.19"