Home

Explore

View Cart

Deals

Saved

Suggested searches

Plant-based protein powders
Vegan leather handbags
Bedroom decor
Waterproof jackets
Hoodies

Learn more about how we use your data to personalize your experience and ads. Recommendations are for informational purposes only.

PW

PMD Way

Four Channel RS485 Relay Module - 12V DC from PMD Way with free delivery worldwide

Four Channel RS485 Relay Module - 12V DC from PMD Way with free delivery worldwide

PMD Way

Four Channel RS485 TTL Relay Module - 12V DC

4.5 (1,234)

Sold 100+ last 30 days

20% off first order

$36.00

Color

Black

Quantity

Product description loading

Product description loading

This is the product description text that will appear here.

Shop is the next step on our mission to make commerce better for everyone.

Start selling

For brands

For creators

Build your store

Information

Shop Pay

Help center

Social

X (Twitter)

Instagram

Legal

Terms of Service

Privacy Policy

Your Privacy Choices

Powered by

|

Start selling for free

Language

© Shopify Inc. 2026

Quantity

1

Description

Easily control two relays over the RS485 bus with this convenient Four Channel RS485 Relay Module from PMD Way.
Each board contains four relays that can handle 30V DC at 10A, or 230V AC at 10A.
Relays are fully opto-isolated to protect con...

Delivery & Returns

PMD Way

PMD Way

4.4 (47)

More from PMD Way

Sixteen Channel RS485 Relay Module - 12V DC from PMD Way with free delivery worldwide

Sixteen Channel RS485 Relay Module - 12V DC

Four Channel RS232 Control Relay Board - 12V DC from PMD Way with free delivery worldwide

Four Channel RS232 Control Relay Board - 12V DC

Eight Channel RS485 Relay Module - 12V DC from PMD Way with free delivery worldwide

Eight Channel RS485 Relay Module - 12V DC

Two Channel RS232 Control Relay Board - 5V 12V DC from PMD Way with free delivery worldwide

Two Channel RS232 Control Relay Board

Sixteen Channel Optoisolated 5V or 12V Relay Module with Power Supply from PMD Way with free delivery worldwide

Sixteen Channel Optoisolated Relay Module with Power Supply - 5V or 12V

Mercury Tilt Switches in packs of 100 from PMD Way with free delivery worldwide

Tilt Switch - 3mm or 5mm - 100 Pack

1mm 0.5mm Double Sided FPC FFC Breakout PCB from PMD Way with free delivery worldwide

1mm 0.5mm Double Sided FPC FFC Breakout PCB - Various Widths

Huge 100mm Illuminated Flat Arcade Buttons in five colors from PMD Way with free delivery worldwide

Huge 100mm Illuminated Flat Arcade Button

K-Type Thermocouple with 12mm Washer from PMD Way with free delivery worldwide

Automotive Thermocouple with Washer

Useful single channel bistable latching relay modules from PMD Way with free delivery worldwide

Single Channel Latching Relay Module

10kg Load Cell and HX711 Load Cell Amplifier from PMD Way with free delivery worldwide

10kg Load Cell and HX711 Load Cell Amplifier

Optoisolated Relay Modules - Various Configurations

Related to PMD Way

MiOT Store

4.6

(116)

EDA003713314.jpg@8d2645079438c85c2133e690d9f1ea97

PC10-02 LAIZE 10pcs PC Male Thread Straight Pneumatic Quick Fitting Connector

S-MPSI-0138B.jpg@085cd42c5b5ea6805954b6018a22284e

JAX-110B Mini Portable GSM/CDMA/DCS/PHS/GPS Cell Phone Signal Jammer (Coverage: 1-5m)

(1)

TBD06066892.jpg@e57c2d399e647d4fa3b4057af1b1cb0e

For SlimeVR / Smol LSM6DSV + QMC6309 Module

TBD0604465001A.jpg@4d3747bccdbfd4b1d50f041f02f860b6

B-02 Cell Phone Screen Clicker Intelligent Plug-in Physical Connecting Point Device Living Equipment(Black)

TBD0604430001B.jpg@2f296304eaa07da3290220df06e41338

Alcohol Pen Touchless Elevator Push Epidemic Stick Spray Pen(White)

TBD0606281001A.jpg@9b899e790a5d7fd05d3aa0426b46aa10

AIMB-G1 Smart Glasses with 5MP Camera & Real-Time AI Translation 1080P Stabilized Video, 3 Lens Kit(Black)

(1)

TBD0605660901A.jpg@e2595b91b04b27cd702fefdc033a2d8e

JOC TG-77 Mini FM / AM / SW Portable Full-Band Full-Channel Radio(Black)

EDA004793804A.jpg@70507523b19c0900a935089132f31e87

For Ulefone Armor X12 Pro Ulefone Back Clip Phone Case with Carabiner(Black)

TBD0606140308.jpg@ab2345bedb11ba669c66097696551f8a

LED Digital Display Circular Voltage Meter, Color: White AC 65-265V

(1)

PU806B.jpg@7d4f993e83af2f51ef333851e31b234e

For Insta360 X3 PULUZ Lens Guard PC Protective Cover(Black)

TBD0605600201.jpg@f0e85a5663f52f4efbeba41545d742eb

10pcs /Pack Transparent Dressing Waterproof Adhesive Clear Bandages 6x7cm

TBD0605804807.jpg@8b03a5121dd777a30a7b57d4b53002b4

RUITOOL 1/2 inch Tap Socket Pneumatic Wrench Square Socket Inner Quarter Square Hole Wrench Tool, Spec: M14

Atlavox

Exclusive offer available

Antenna for Meshtastic, 915MHz, RP-SMA, Whip, 17CM

(16)

USB-C Waterproof Bulkhead Extension Ribbon Cable, 100mm

(11)

Antenna for Meshtastic, 915MHz, N-Type, Outdoor, 7", 5dBi

(23)

ThinkNode M1/M5 Gizont Antenna Collar

(9)

Panel-Mount Switch for WisBlock, IP67 Waterproof, JST Connectors

(14)

RP-SMA Male to N-Type Female 30CM Outdoor Cable for Seeed SenseCAP P1 Pro Solar Node

(6)

Antenna Cable - Flex100 - SMA M TO N WF 15CM

(6)

T1000-E Meshtastic Radio

(17)

Amphenol Enclosure Vent VENT-PS1YBK-N8001

(3)

Antenna Cable - RG178 - IPEX-F TO N-TYPE-F Waterproof 15CM

(4)

Antenna for Meshtastic, 915MHz, SMA, Whip, 17CM

(12)

Antenna Cable - Flex100 - SMA M TO SMA F 15CM

(5)

Salrog (Powered by Solnuance)

4.5

(232)

TBD0595723006.jpg@88cd8d2187dba29e329f8dd8e5500930

7 in 1 Cutlery Spoon Chopsticks And Straw Set Stainless Steel Portable Cutlery Set, Specification: Silver + Deep Bag

TBD0605329601C.jpg@bb09c40ea55c5a211bf7a0e9ab9944ee

6pcs / Set Plant Trunk Adjustable Splice Protector(Black)

(1)

TBD0604829401A.jpg@d7ab3c13b6fdf284ae4ede6b86da36dc

10pcs Adjustable LST Clips Plant Stem Bending Low Stress Training Hydroponic Grow Binder(Blue)

TBD06050459.jpg@051bd5919491e5ec2116775b0b5e5e96

Silicone Dice Resin Molds with 7 Standard Polyhedral Stereoscopic Dice Cavities

(1)

TBD0602305302.jpg@2f3fd768a82bace5529de031e34189f5

Furniture PU Universal Plug Caster Office Chair Mute Wheel, Size: 2.5 Inch

LED8978WL.jpg@7b511e352d7be5ca3e9e82912bfe9437

G4-2508 5W COB LED Corn Light, AC 12V, DC 12-24V (White Light)

TBD06052728.jpg@191c5f9d655dfb9ad164f7a0af7b3651

5 In 1 Multi Tool Small Outdoor Gadgets With SIM Tray Ejector, Screwdriver, Bottle Opener, Etc

TBD0418934401E.jpg@5721081301141c06c5dcb0167f162519

Aluminum Cigar Cigarette Case Tobacco Holder Pocket Box Storage Container Smoking Set(Silver)

TBD06046719.jpg@ae0621f41399a0a1978eb4f19a3e4412

Portable Car Fuel Saver Auto Gas Economizer Power Plug

(1)

HC1194A.jpg@cb585e6a9c40b7052a2d4f0613750d86

600MG Ozone Generator Cleaner Sterilizer for Vegetables and Fruits

LED0110WW.jpg@e7c46d36621fac1031904f26e79121dd

3W COB LED Light, G9 300LM PC Material Dimmable SMD 1505 for Halls / Office / Home, AC 220-240V(Warm White)

TBD0606063501A.jpg@bea33e754d0fee12c8ba17708b644824

5pcs /Pack Filter For Cate Mate Pet Fountain Multi-Cycle Filtration Cartridge(Blue)

RobotShop USA

4.7

(356)

Litter-Robot 3 Open Air Cat Sensor

Litter-Robot 3 Open Air Cat Sensor

(40)

Monk Makes Speaker for MICRO:BIT

Monk Makes Speaker for MICRO:BIT

Litter-Robot 3 Open Air Anti-Pinch Pins (2pk)

Litter-Robot 3 Open Air Anti-Pinch Pins (2pk)

(13)

Litter-Robot 3 Open Air DFI Hardware (v2)

Litter-Robot 3 Open Air DFI Hardware (v2)

(21)

50 Kg Micro Load Cell

50 Kg Micro Load Cell

Nexus 38mm Plastic Omni Wheel

Nexus 38mm Plastic Omni Wheel

(1)

Black PVC Liner for Litter-Robot 3 Open Air Globe Assembly

Black PVC Liner for Litter-Robot 3 Open Air Globe Assembly

(2)

Replacement Motor Top for Snap Circuits

Replacement Motor Top for Snap Circuits

(3)

Conductor with 1-Snap for Snap Circuits

Conductor with 1-Snap for Snap Circuits

Replacement 0.1uF Capacitor for Snap Circuits

Replacement 0.1uF Capacitor for Snap Circuits

(3)

58mm Plastic Omni Wheel (compatible with Servos and Lego Mindstorms NXT)

58mm Plastic Omni Wheel (compatible with Servos and Lego Mindstorms NXT)

60mm Omni Wheel

60mm Omni Wheel

Discover top brands

Fashion Nova

4.3 (428.9K)

Little Sleepies

Exclusive offer available

Little Sleepies

4.9 (403.4K)

32 Degrees

4.7 (228K)

OOFOS

Exclusive offer available

OOFOS

4.5 (178.2K)

Rockstar Original

Rockstar Original

Rockstar Original

4.6 (186.5K)

Revice

4.5 (8.7K)

Mandala Scrubs

Exclusive offer available

Mandala Scrubs

4.6 (11.4K)

Culture Kings US

Culture Kings US

Culture Kings US

4.7 (148.5K)

Exclusive offer available

The GLD Shop

4.7 (169.7K)

Aviator Nation

Exclusive offer available

Aviator Nation

4.5 (93.4K)