eletechsup 4 Channel DC 12V RS485 Relay Module Modbus RTU & at Command Remote Control Switch for PLC PTZ Camera Security Monitoring (1)
Asin: B0C2CV735N | Model: CE040 | PartNumber: CE040 | Ean: 0755502061478 | UPC: 755502061478
As an Amazon Associate we earn a fee from qualifying purchases when you follow a link to Amazon from this page. We rank the products, but the links to Amazon are promotional.Under The Modbus Command Mode, It Can Support Up To 32 Devices In Parallel.
Weight: 57G.
Size: 80 * 47 * 19.5Mm.
Two Instruction-Control Mode : At Command And Modbus Command.
Features
- DC 12V 4Ch RS485 Modbus & AT command Relay Board
- Two instruction-control mode : AT command and MODBUS command
- Under the MODBUS command mode, it can support up to 32 devices in parallel
- Size: 80 * 47 * 19.5mm
- Weight: 57g
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Brand: eletechsup | Manufacturer: eletechsup
See On Amazon Similar To eletechsup 4 Channel DC 12V
#1
eletechsup 10W 2 Channels Multiple Switching Power Supply Module 5V 12V Dual Output DC DC Step-Down Buck Converter Board (4)
Asin: B0BX96YPC9 | Ean: 0755462411856 | UPC: 755462411856
Dc-Dc Step-Down Converter Module Working Frequency 550Khz. Efficiency Is 75-90%..
Overtemperature Shutdown, Input Under-Voltage Protection, Bs-Voltage Protection, And Short Circuit Protection..
Quiescent Current: About 1Ma.
H Version Maximum Output Current : 12V/0.5A;5V/1A.
Features
- H Version:Input DC 14-30V,Output1 DC 12V/Output2 DC 5V
- H Version Maximum Output Current : 12V/0.5A;5V/1A
- DC-DC Step-Down Converter module working frequency 550KHz. efficiency is 75-90%.
- Quiescent current: about 1MA
- Overtemperature shutdown, input under-voltage protection, BS-voltage protection, and short circuit protection.
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Brand: eletechsup | Manufacturer: eletechsup
See On Amazon #2
DC 5V 200mA 4 Channel USB Relay Module with Doubled High Current Tracks
Asin: B07MVYX8Y5 | Ean: 6941699253473
Current Consumption: 200Ma.
Led For Each Relay Output.
Power Supply: 5V Dc.
Brand: MFMYUANHAN | Manufacturer: MFMYUANHAN
See On Amazon #3
ANMBEST 2PCS 4 Channel 12V Relay Module with Optocoupler High or Low Level Trigger Expansion Board for Raspberry Pi Arduino
Asin: B08PNX72ZQ | Model: ANMBEST_MD314-319 | PartNumber: ANMBEST_MD314-319 | Ean: 7903265708939
Reliable: Fault-Tolerant Design, Even If The Control Line Breaks, The Relay Will Not Move; With Optical Coupling Isolation, Triggering More Reliable, More Stable..
High/Low Level Trigger Can Be Selected By Jumper. Very Versatile, You Can Reverse The Input Logic With The Jumper..
Easy To Install: Equipped With Screwed Terminal Plate And Fixed Bolt Holes(Diameter: 3.1 Mm) On Both Sides For Easy Installation..
Equipped With High-Current Relay, Maximum Load: Ac250v 10A, 15A 125Vac, Dc30v 10A; Trigger Current Of Opto-Isolator: 5Ma..
Features
- It is 4 Channel Isolated 12V 10A Relay Module, each relay can individually switch on/off by an opto-isolated digital input, Standard interface can be directly connected with microcontrollers and be controlled directly by a wide range of microcontrollers such as Arduino, AVR, PIC, ARM, DSP, etc., very convenient.
- Equipped with high-current relay, maximum load: AC250V 10A, 15A 125VAC, DC30V 10A; Trigger current of opto-isolator: 5mA.
- RELIABLE: Fault-tolerant design, even if the control line breaks, the relay will not move; With optical coupling isolation, triggering more reliable, more stable.
- EASY to INSTALL: Equipped with screwed terminal plate and fixed bolt holes(diameter: 3.1 mm) on both sides for easy installation.
- High/Low level trigger can be selected by jumper. Very versatile, you can reverse the input logic with the jumper.
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Brand: ANMBEST | Manufacturer: ANMBEST
See On Amazon #4
Lvyuanda 4 Channel 12V/24V To 5V Input High And Low Level Conversion Optocoupler Module
Asin: B07GKG7TJP | Ean: 0697547225623 | UPC: 697547225623
▲ Scm Output Level Can Be Used To Isolating,Anti-Interference And Protect Scm Some Circuit When Driving Motor.
▲Last: With Reversed Polarity Protection And Short Circuit Protection, More Safe To Use; The Display Is Very Accurate.More Information About How To Use It, Please See The Product Description Below. If You Have Any Problem, Please Contact Us In Your Spare Time.
▲ Notice: Keep Away From Interference Source, And Strong Interference Signal May Affect Module Working, Select Suitable Power Can Protect The Module.
▲ Testing Whether Ac 220V Is Existed. Size:3.7X3.5Cm/1.46X1.38Inch.
Features
- High Voltage Testing
- Testing whether AC 220V is existed. Size:3.7x3.5cm/1.46x1.38inch
- SCM output level can be used to isolating,anti-interference and protect SCM some circuit when driving motor
- Notice: Keep away from interference source, and strong interference signal may affect module working, select suitable power can protect the module
- Last: With reversed polarity protection and short circuit protection, more safe to use; the display is very accurate.More information about how to use it, please see the Product Description below. If you have any problem, please contact us in your spare time
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Brand: Lvyuanda | Manufacturer: Lvyuanda
See On Amazon #5
eletechsup DC 12V 4 Channel RS232 Relay Board PC USB UART DB9 Remote Control Switch for Smart Home Garage Door Car Alarm Farm Motor (5)
Asin: B0C1GMPR9B | Model: CE039 | PartNumber: CE039 | Ean: 0749079586250 | UPC: 749079586250
Pc Serial Ports Rs232 Control Relay;.
Size : 90Mm*47Mm*19Mm / Weight : 62G.
Power Indicator : Led Lights;.
Power Input: Dc 12V(8.5-13.5V)..
Features
- DC 12V 4Ch RS232 Relay Board
- Power input: DC 12V(8.5-13.5V).
- PC Serial ports RS232 Control Relay;
- Power indicator : LED lights;
- Size : 90mm*47mm*19mm / Weight : 62g
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Brand: eletechsup | Manufacturer: eletechsup
See On Amazon #6
Evertech 4 Channel Port 12 Volt DC 3A CCTV Power Supply Distributed Box for Security Camera with 4 Pcs. DC Male Pigtail
Asin: B01M25WIG6 | Model: SPB04C3PSDC4J1 | PartNumber: SPB04C3PSDC4J1 | Ean: 0721577532137 | UPC: 721577532137
Output : 12V Dc 3 Amper (3000 Ma).
Wear-Resistant Metal Housing, 3-Prong Ac Power Cord Is Included..
Safety Features Include Short-Circuit Protection, Over Current Protection , High Voltage Protection..
Perfect For Any Dc 12V Electronic Products..
Input : Ac100v~240V, 3A 50/60 Hz.
Features
- 4 Channel 3 Amper PTC Fuse Power Supply Distribution Box with DC Male Power Connectors for CCTV Security Systems
- Input : AC100V~240V, 3A 50/60 HZ
- Output : 12V DC 3 Amper (3000 mA)
- Perfect for any DC 12V electronic products.
- Wear-resistant metal housing, 3-Prong AC power cord is included.
- Safety features include short-circuit protection, over current protection , high voltage protection.
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Brand: Evertech | Manufacturer: Evertech
Warranty: 1 YEAR
See On Amazon #7
Eletechsup DC 12V 4-20mA 0-5V 0-10V Voltage Signal Acquisition RS485 Modbus RTU Module for PLC Current Transmitter Measuring Instruments (4)
Asin: B08FY3GBSD | Ean: 0745924217713 | UPC: 745924217713
1 Ch 0-10V Voltage Signal Acquisition.
By Modifying The Rs485 Address, Up To 247 Module S Can Be Connected (More Than 16 Devices, It Is Recommended To Use Rs485 Repeater).
Modbus Rtu 03 06 Command.
1 Ch 0-5V Voltage Signal Acquisition.
Features
- 2ch 4-20mA Current Acquisition Sampler
- 1 CH 0-5V Voltage Signal Acquisition
- 1 CH 0-10V Voltage Signal Acquisition
- Modbus RTU 03 06 Command
- By modifying the RS485 address, up to 247 module s can be connected (More than 16 devices, it is recommended to use RS485 repeater)
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Brand: eletechsup | Manufacturer: eletechsup
Dimensions: 0.00 x 0.00 x 0.00 inches
See On Amazon #8
eletechsu 8CH 433M DC 12V Lora Bidirectional Remote IO Controller LED Feedback Indicator NPN in Relay Out Swicth Module Board (Transceiver Kit)
Asin: B09TVYBDXR | Model: RTTXA08+RTRXB08+TB450 | PartNumber: RTTXA08+RTRXB08+TB450 | Ean: 0745895564083 | UPC: 745895564083
3 Input Channels: 8 Channels, Low Pulse Trigger (Npn).
5 Working Frequency Band: 425~455Mhz (Can Be Set By Dip Switch).
4 Transmit Power: 22Dbm.
2 Working Current: 12-30Ma.
Features
- 1 Working voltage: DC 12V (8-30V)
- 2 Working current: 12-30MA
- 3 Input channels: 8 channels, low pulse trigger (NPN)
- 4 Transmit power: 22dBm
- 5 Working frequency band: 425~455MHz (can be set by DIP switch)
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Brand: eletechsup | Manufacturer: eletechsup
Weight: 0.05 Kilograms
See On Amazon #9
Eletechsup DC 12V 8 Channel Pro Mini PLC Board Relay Shield Module for Arduino Multifunction Delay Timer Switch Board (8ch Relay Board)
Asin: B07YCCY5SV | Ean: 8711334794528
3 On-Board Resources: 8X Opto-Isolated Inputs (Low Level Trigger, Npn Type), 4X Buttons, 1X 4 Bit Digital Tube Display, 1 Pair Of Pro Mini Slots, 8X Relay Outputs.
5 Weight : 131G.
Size 120*62*19Mm.
2 Standby Current (Digital Tube Off) 12Ma, Standby Current 48Ma (Digital Tube On).
Features
- Note: This is just a relay board, not including Pro Mini
- 2 Standby current (Digital tube OFF) 12MA, Standby current 48MA (Digital tube ON)
- 3 on-board resources: 8x opto-isolated inputs (low level trigger, NPN type), 4x buttons, 1x 4 bit digital tube display, 1 pair of Pro mini slots, 8x relay outputs
- size 120*62*19mm
- 5 Weight : 131g
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Brand: eletechsup | Manufacturer: eletechsup
Weight: 0.05 Kilograms
See On Amazon #10
Eletechsup DC 12V One Channel PLC Switch IO NPN PNP Signal Amplifier Module Relay Board (4)
Asin: B0C582BJYC | Model: PDMRA01_12V | PartNumber: PDMRA01_12V | Ean: 0749085307122 | UPC: 749085307122
Size: 18 * 72 * 19Mm(Only Pcb Board).
Weight: 18G(Only Pcb Board).
Control Mode: Npn/Pnp Dual-Purpose.
Features
- Driving voltage: DC 12V
- Control mode: NPN/PNP dual-purpose
- Size: 18 * 72 * 19mm(Only PCB Board)
- Weight: 18g(Only PCB Board)
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Brand: eletechsup | Manufacturer: eletechsup
See On Amazon #11
eletechsup 2 Channel Serial Port Relay Module DC 12V PC Computer USB RS232 DB9 RS485 UART Remote Control Switch Board for Smart Home (4)
Asin: B0C1GK6Q6Q | Model: TB351 | PartNumber: TB351 | Ean: 0749079586168 | UPC: 749079586168
Power Indicator : Led Lights;.
Pcb Size : 71X47mm.
Output Indication : Relay Output With Led Indicators,Easy To See Working Status Of The Relay;.
Pc Serial Ports Rs232 Control Relay;.
Features
- 2 Power input: DC 12V(8.5-13.5V).
- PC Serial ports RS232 Control Relay;
- Power indicator : LED lights;
- Output indication : relay output with LED indicators,easy to see working status of the relay;
- PCB Size : 71x47mm
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Brand: eletechsup | Manufacturer: eletechsup
See On Amazon #12
eletechsup DC 12V 4 Channel Multifunction Cycle Delay Timer Relay Module and Timing Loop Interlock Self-Locking Momentary Bistable Monostable (1)
Asin: B0C1GJ36ZV | Model: CE007 | PartNumber: CE007 | Ean: 0749079586106 | UPC: 749079586106
Input Optical Isolation..
High Q Value Smd Electrolytic Capacitors..
Power Anti-Reverse Diode..
6 Kinds Of Functional Modules, Each Functional Module Has Three Sub-Modes (No Cycle, 2-99 Cycle, Always Cycle)..
Features
- 4 channel relay,each channel independently triggered independent delay, do not interfere with each other.
- 6 kinds of functional modules, each functional module has three sub-modes (no cycle, 2-99 cycle, always cycle).
- Input optical isolation.
- Power anti-reverse diode.
- High Q value SMD electrolytic capacitors.
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Brand: eletechsup | Manufacturer: eletechsup
See On Amazon #13
eletechsup DC 12V 8 Channels DTMF Relay MT8870 Decoder Phone Remote Control Switch (8CH MT8870 Decoder Relay, 4)
Asin: B0BZYNKFDN | Model: AD22A08+AE11A04 | PartNumber: AD22A08+AE11A04 | Ean: 0749079584751 | UPC: 749079584751
Maximum Load: 10A / 250Vac, 10A / 125Vac, 10A / 30Vdc, 10A / 28Vdc, 10A / 12Vdc.
Weight: 114 Grams.
Size: 94 * 62 * 19.5Mm.
Working Voltage Dc 12V, With Reverse Polarity Protection.
Features
- DC 12V 8 channels DTMF Relay MT8870 Decoder Phone Remote Control switch
- working voltage DC 12V, with reverse polarity protection
- Maximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 28VDC, 10A / 12VDC
- Size: 94 * 62 * 19.5mm
- Weight: 114 grams
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Brand: eletechsup | Manufacturer: eletechsup
See On Amazon #14
eletechsup 1 Channel DC 12V PC COM DB9 RS232 Serial Port Delay Relay UART Switch Module for LED Motor PLC 3D Printer (4)
Asin: B0BYND72X1 | Ean: 0749079578422 | UPC: 749079578422
Two Serial Ports: Rs232 Db9 Interface, Ttl 232 Interface.
Size: 56.5 *31.5 * 17.5Mm / Weight: 24G.
Maximum Load: 10A / 250Vac, 10A / 125Vac, 10A / 30Vdc, 10A / 28Vdc, 10A / 12Vdc.
(Dc12v)Standby Current (All Relays Closed) 17Ma, Relay Open 48Ma,.
Features
- Working voltage: 12V
- (DC12V)Standby current (all relays closed) 17MA, relay open 48MA,
- Two serial ports: RS232 DB9 interface, TTL 232 interface
- Maximum load: 10A / 250VAC, 10A / 125VAC, 10A / 30VDC, 10A / 28VDC, 10A / 12VDC
- Size: 56.5 *31.5 * 17.5mm / Weight: 24g
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Brand: eletechsup | Manufacturer: eletechsup
See On Amazon #15
eletechsup 1 Channel DC 12V High Level Relay Module for Touch Sensor Delay Switch (4)
Asin: B0BRKTCGCP | Ean: 0733805255916 | UPC: 733805255916
In : Trigger Input( High Level Trigger).
High Level Trigger Size : 40Mm X 17Mm X 18Mm.
Weight : 15G / Maximum Load : 120W.
Gnd : Power Supply Negative.
Features
- VCC : 12V Power supply positive
- GND : Power supply negative
- IN : Trigger input( High level trigger)
- Weight : 15g / Maximum load : 120W
- High level trigger Size : 40MM X 17MM X 18MM
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Brand: eletechsup | Manufacturer: eletechsup
See On Amazon #16
DC 12V 2 Channel DB9 Male RS232 UART Remote Control Switch Board Serial Port Relay Module (4)
Asin: B0BR6LD65G | Ean: 0733805255534 | UPC: 733805255534
Output Indication : Relay Output With Led Indicators,Easy To See Working Status Of The Relay;.
Note: There Are Two Types Of Db9 Interfaces.Female Interfaces Usually Are Common. Please Choose The Correct Db9 Interface..
Pcb Size : 71X47mm.
Pc Serial Ports Rs232 Control Relay / Power Indicator : Led Lights.
Features
- 2 Channel DB9(Female /Male) RS232 Relay Module / Power input: DC 12V(8.5-13.5V).
- PC Serial ports RS232 Control Relay / Power indicator : LED lights
- Output indication : relay output with LED indicators,easy to see working status of the relay;
- PCB Size : 71x47mm
- Note: There are two types of DB9 interfaces.Female interfaces usually are common. Please choose the correct DB9 interface.
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Brand: eletechsup | Manufacturer: eletechsup
See On Amazon #17
8 Channels DC 12V Relay Shield Module RS485 PLC Modbus IO Expanding Din Rail with Shell (4)
Asin: B0BQ1N8NVS | Ean: 0052805495567 | UPC: 052805495567
On-Board Resources: 1X Rs485 Interface 8X Opto-Isolated Inputs (Low Level Trigger, Npn Type).
Weight : 118G(Only Board), 228G(With Shell).
Size 150*72*19Mm(Only Board).
Operating Current : Standby Current (Digital Tube Off) 12Ma, Standby Current 48Ma (Digital Tube On).
Features
- Operating voltage: DC 12V/DC 24V
- Operating Current : Standby current (Digital tube OFF) 12MA, Standby current 48MA (Digital tube ON)
- On-board resources: 1x RS485 Interface 8x opto-isolated inputs (low level trigger, NPN type)
- Size 150*72*19mm(Only Board)
- Weight : 118g(Only Board), 228g(with shell)
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Brand: eletechsup | Manufacturer: eletechsup
See On Amazon #18
8 Channels DC 12V Relay Shield Module RS485 PLC Modbus IO Expanding Naked Board No Shell(4)
Asin: B0BPY91QDG | Ean: 0052805495529 | UPC: 052805495529
On-Board Resources: 1X Rs485 Interface 8X Opto-Isolated Inputs (Low Level Trigger, Npn Type).
Weight : 118G(Only Board), 228G(With Shell).
Size 150*72*19Mm(Only Board).
Operating Current : Standby Current (Digital Tube Off) 12Ma, Standby Current 48Ma (Digital Tube On).
Features
- Operating voltage: DC 12V/DC 24V
- Operating Current : Standby current (Digital tube OFF) 12MA, Standby current 48MA (Digital tube ON)
- On-board resources: 1x RS485 Interface 8x opto-isolated inputs (low level trigger, NPN type)
- Size 150*72*19mm(Only Board)
- Weight : 118g(Only Board), 228g(with shell)
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Brand: eletechsup | Manufacturer: eletechsup
See On Amazon #19
eletechsu 12VDC 2ch RS485 Modbus RTU Relay Module UART Serial Port Switch PLC Digital Output Expansion Board Motor FW & BW Controler (4)
Asin: B0B58ZWBK7 | Model: RTTXA08+RTRXB08+TB450 | PartNumber: RTTXA08+RTRXB08+TB450 | Ean: 0733805252656 | UPC: 733805252656
3: ''Open'' ''Close'' ''Momentary'' ''Self-Locking'' ''Interlock'' ''Delay'' 6 Commands.
5: Under The ''Delay'' Command ,The Maximum Delay Is 255 Seconds;.
4: Modbus Rtu Command, Support 03 06 16 Function Code.
2: Standby Current (All Relays Closed) 10Ma, 1 Relay Open 38Ma, 2 Relays Open 67Ma.
Features
- 1: Working voltage DC 12V;
- 2: Standby current (all relays closed) 10MA, 1 relay open 38MA, 2 relays open 67MA
- 3: ''open'' ''close'' ''Momentary'' ''Self-locking'' ''Interlock'' ''Delay'' 6 Commands
- 4: MODBUS RTU command, Support 03 06 16 function code
- 5: Under the ''Delay'' command ,the maximum delay is 255 seconds;
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Brand: eletechsup | Manufacturer: eletechsup
Weight: 0.05 Kilograms
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