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
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.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 Similar To eletechsup DC 12V 4 Channel
#1
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
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 #2
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 #3
HiLetgo 12V 4 Channel Relay Module with OPTO-Isolated Support High and Low Level Trigger
Asin: B00LW2GM84 | Model: 3-01-0371 | PartNumber: 3-01-0371 | Ean: 0702082656167 | UPC: 702082656167
High And Low Level Trigger.
Using Smd Optocoupler Isolation.
Features
- HiLetgo 12V 4 Channel Relay Module
- Using SMD OPTOCOUPLER isolation
- High and Low Level Trigger
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Brand: HiLetgo | Manufacturer: HiLetgo
See On Amazon #4
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 #5
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 #6
Evertech 8 Channel Port 12V DC 5 Amp Amper with PTC Fuse Distributed Power Supply Box for CCTV DVR Security System and Camera or Cameras with 9 Pcs. Male Power Jack
Asin: B01M1LSJ6Z | Model: SPB09C05SDJACK-FBA | PartNumber: SPB09C05SDJACK-FBA | Ean: 0721577524668 | UPC: 721577524668
Output: 12V Dc 5A Terminal Connection / On/Off Switch.
Item Size Is 6.30" X 6.30" X 1.97" ( 16 Cm X 16 Cm X 5 Cm ).
Power Box For Electronic Devices, Like Cctv Security Cameras. Can Support Up To 9 Cameras..
Output: Dc 12V 5.0 Amper Input: Ac 110-240V.
Features
- 9 Channel 5 Amper Power Supply Distribution Box with DC Male Pigtails ( Inner Side Black or Yellow Color ))
- Output: DC 12V 5.0 Amper Input: AC 110-240V
- Output: 12V DC 5A Terminal Connection / On/Off Switch
- Power Box For electronic devices, like CCTV security cameras. CAN SUPPORT UP TO 9 CAMERAS.
- Item Size is 6.30 x 6.30 x 1.97 ( 16 cm x 16 cm x 5 cm )
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Brand: Evertech | Manufacturer: EVERTECH
Warranty: 1 Year
See On Amazon #7
GRABLOOM LM2596 Multi-Channel Switching Power Supply Modules with 4 Multi-Channel Outputs Support 3.3V/5V/12V/ADJ Adjustable Switching Power Supply Dc-dc Power Supply
Asin: B0D2HVVR4R | Ean: 7629052195453
The Performance Of This Switching Power Supply Modules Is Strong And Stable, You Can Rest Assure..
High-Quality Material, With Exquisite Workmanship, In Use..
The Converter Has An Overcurrent Production Fuses That Effectively Protects The Modules From Overcurrent Damage..
The Converter Has 4 Different Voltage Output Terminals (3.3V, 5V, 12V, Adj), Which Can Withstand A Wide Ranges Of Input Ranges (Dc5-40V) And Can Meet Different Applications..
Features
- The voltage stabilizer is equipped with four and performance LM2596 chips, which can provide stable and accurate output.
- The converter has 4 different voltage output terminals (3.3V, 5V, 12V, ADJ), which can withstand a wide ranges of input ranges (DC5-40V) and can meet different applications.
- The performance of this switching power supply modules is strong and stable, you can rest assure.
- The converter has an overcurrent production fuses that effectively protects the modules from overcurrent damage.
- high-quality material, with exquisite workmanship, in use.
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Brand: GRABLOOM | Manufacturer: GRABLOOM
See On Amazon #8
Eletechsup DC 12V 4-20mA 0-5V 0-10V Voltage Signal Acquisition RS485 Modbus RTU Module for PLC Current Transmitter Measuring Instruments (1)
Asin: B08FY24GF9 | Ean: 0745924217706 | UPC: 745924217706
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 #9
Eletechsup 24CH Digital Analog Mixed Acquisition Module RS485 Remote I/O Module 0-20MA 4-20MA 0-10V 0-30V Current Voltage ADC Collector (4AI-4VI with Box)
Asin: B0CG9FYJ5J | Ean: 0755833704334 | UPC: 755833704334
Size 126 * 72 * 12Mm (Circuit Board) 129 * 82*36Mm (With Rail Box).
Weight: 73 Grams (Circuit Board); 165 Grams (With Rail Box).
Working Current: 12-20Ma.
Features
- Working voltage: DC 7-25V (DC 9V 12V 24V)
- Working current: 12-20MA
- Size 126 * 72 * 12mm (circuit board) 129 * 82*36mm (with rail box)
- Weight: 73 grams (circuit board); 165 grams (with rail box)
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Brand: eletechsup | Manufacturer: eletechsup
See On Amazon #10
eletechsup DC 12V 4Ch Digital Switch Dido Multifunction RS485 PLC IO Expanding Board Standard Modbus RTU Relay Module (4 x with Shell)
Asin: B0BYRZNB7Q | Ean: 0749079578842 | UPC: 749079578842
With Hardware Reset Function, With Tvs Anti-Surge Protection.
Installation: Din35 And C45 Rail.
Width: Suitable For Pcb Board Width Um72(72Mm).
4 Photoelectric Isolation Input Ports (Npn Low Level Active )..
Features
- 12V DC 4 Channel DI-DO Modbus RTU RS485 Relay Board
- 4 photoelectric isolation Input ports (NPN low level active ).
- With hardware reset function, with TVS anti-surge protection
- Width: suitable for PCB board width UM72(72mm)
- Installation: DIN35 and C45 rail
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Brand: eletechsup | Manufacturer: eletechsup
See On Amazon #11
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 #12
Northern Video PSMINI4C5AUL 4-Channel Power Supply, 12VDC, 5 Amp, Built-in PTC Fuse, Led Indicator Light, Terminal Strip Cover, Adjustable Output Voltage up to 13.8V, 100V-240V Range Input Voltage
Asin: B00JR52N7C | Model: PSMINI4C5AUL | PartNumber: PSMINI4C5AUL
Built-In Ptc Fuse For Protection: Equipped With A Built-In Ptc (Positive Temperature Coefficient) Fuse To Safeguard Against Overcurrent And Protect Your Equipment From Potential Damage..
Led Indicator Light: Features An Led Indicator Light To Provide Visual Confirmation Of Power Status, Enabling Easy Monitoring And Troubleshooting..
100V-240V Wide Range Input Voltage: Accommodates A Wide Range Of Input Voltages, Making It Suitable For Use In Various Locations And Environments Without The Need For Additional Converters Or Adapters..
Built-In Ptc Fuse For Protection: Equipped With A Built-In Ptc (Positive Temperature Coefficient) Fuse To Safeguard Against Overcurrent And Protect Your Equipment From Potential Damage..
Features
- UL / CUL Listed: Certified to meet rigorous safety standards, providing peace of mind and assurance of quality and reliability.
- Built-in PTC Fuse for Protection: Equipped with a built-in PTC (Positive Temperature Coefficient) fuse to safeguard against overcurrent and protect your equipment from potential damage.
- Built-in PTC Fuse for Protection: Equipped with a built-in PTC (Positive Temperature Coefficient) fuse to safeguard against overcurrent and protect your equipment from potential damage.
- 100V-240V Wide Range Input Voltage: Accommodates a wide range of input voltages, making it suitable for use in various locations and environments without the need for additional converters or adapters.
- LED Indicator Light: Features an LED indicator light to provide visual confirmation of power status, enabling easy monitoring and troubleshooting.
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Brand: Northern Video | Manufacturer: Northern Video
Dimensions: 2.00 x 10.00 x 8.00 inches | Weight: 0.80 pounds
See On Amazon #13
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 #14
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 #15
eletechsup DC 12V 24V 16CH Differential Analog Input Module, RS485 Modbus RTU, 0-5V 0-10V Voltage Acquisition, for PLC HMI Battery Pack (0-10V Only Board)
Asin: B0D66SB1JN | Ean: 0755824933606 | UPC: 755824933606
Working Current: Standby 12Ma, Working 13-20Ma.
Plc Analog Input Expansion Board.
In Modbus Command Mode, Up To 64 Devices Can Be Supported In Parallel..
Working Voltage: Dc 12V-24V.
Features
- Versatile Input: Supports 16 differential analog input channels, compatible with 0-5V and 0-10V voltage signals.
- Working voltage: DC 12V-24V
- Working current: standby 12MA, working 13-20MA
- In MODBUS command mode, up to 64 devices can be supported in parallel.
- PLC Analog Input expansion board
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Brand: eletechsup | Manufacturer: eletechsup
See On Amazon #16
eletechsup 6CH 4-20MA AI & 6CH 10A & 4CH NPN DI Relay DO Multipurpose Modbus RS485 IO Module for Motor LED Solar Battery (DC 12V Only Board)
Asin: B0D62V3Y4H | Ean: 0755824933347 | UPC: 755824933347
Working Voltage: Dc 12V (12V Version); 24V (24V Version).
Support Standard Modbus Rtu Command, Function Code: Write 05/06/15/16 Read 01/02/03/04.
6-Channel 0-20Ma/4-20Ma Electric Current Analog Input, 4-Channel Npn Photoelectric Isolation Switch Input, 6-Channel 10A Relay Switch Output.
Support Standard Modbus Rtu Command, Function Code: Write 05/06/15/16 Read 01/02/03/04.
Working Current: Standby 11Ma, 1 Relay On 39Ma, 2 Relays On 68Ma, 3 Relays On 93Ma, 4 Relays On 121Ma,5 Relays On 150Ma,6 Relays On 180Ma.
It Has 6 Channels Of 4-20Ma Acquisition, 4 Channels Of Npn Digital Acquisition, And 6 Channels Of 10A Relay Output..
Features
- N4I6N06 is a digital & analog Mixed remote IO module designed and developed
- It has 6 channels of 4-20MA acquisition, 4 channels of NPN digital acquisition, and 6 channels of 10A relay output.
- Working voltage: DC 12V (12V version); 24V (24V version)
- Working current: standby 11MA, 1 relay ON 39MA, 2 relays ON 68MA, 3 relays ON 93MA, 4 relays ON 121MA,5 relays ON 150MA,6 relays ON 180MA
- 6-channel 0-20MA/4-20MA electric current analog input, 4-channel NPN photoelectric isolation switch input, 6-channel 10A relay switch output
- Support standard Modbus RTU command, function code: write 05/06/15/16 read 01/02/03/04
- Support standard Modbus RTU command, function code: write 05/06/15/16 read 01/02/03/04
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Brand: eletechsup | Manufacturer: eletechsup
See On Amazon #17
eletechsup DIN Rail Analog Digital Input Output Expanding Board, Simple Open PLC DIY Module for Arduino UNO, LED, Solar, Battery (Only Board)
Asin: B0D5Y9STK6 | Ean: 0755824933217 | UPC: 755824933217
Rich External Expansion Resources: 6Ch Npn Digital Input;4Ch Dryt Contact Digital Output; 6Ch Current And Voltage Analog Input; Rs485 Interface, 1 Leds..
Modbus Protocol Relay.
Digital I/O: Includes Digital Input And Output Channels For Controlling Relays, Switches, Or Other Digital Devices..
Working Current : Standby Curren13ma, 1 Relay Open 40Ma... 4 Relays Open 120Ma.
Features
- Working voltage: DC 7-30V(Recommend 12V/24V)
- Working Current : Standby curren13MA, 1 relay open 40MA... 4 relays open 120MA
- Rich external expansion resources: 6ch NPN Digital Input;4ch Dryt contact digital output; 6ch current and voltage analog input; RS485 Interface, 1 LEDs.
- Digital I/O: Includes digital input and output channels for controlling relays, switches, or other digital devices.
- Modbus Protocol Relay
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Brand: eletechsup | Manufacturer: eletechsup
See On Amazon #18
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 #19
Eletechsup DC 12V Motor Overload Overcurrent Short Circuit Protector (4 x 12V 10A with Shell)
Asin: B0C499MHZC | Model: IO57E02_12V | PartNumber: IO57E02_12V | Ean: 0749085304909 | UPC: 749085304909
Maximum Current: Short-Term Working Current 10A, Long-Term Working Current 3A.
Working Modes: 2 Optional Modes, Non-Locking And Self-Locking.
Protection Current Adjustment Range: 0.2A~10A.
Applicable Motor: 12V Brushed Dc Motor.
Features
- DC 12V DC Motor Overcurrent Overload Protector Module
- Applicable motor: 12V Brushed DC motor
- Maximum current: Short-term working current 10A, long-term working current 3A
- Protection current adjustment range: 0.2A~10A
- Working modes: 2 optional modes, Non-locking and self-locking
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Brand: eletechsup | Manufacturer: eletechsup
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