Home > Electrical Equipment & Supplies > Electrical Instruments > Parameter Measuring Instrument >

Rs232 Relay Board

Fair Trading Service

Report fraud supplier Report IPR Products

Haven't found right suppliers
Our buyer assistants can help you find the most suitable, 100% reliable suppliers from China.
And this service is free of charge.
we have buyer assistants who speak English, French, Spanish......and we are ready to help you anytime!

Submit Buying Request

Total 1843 products for rs232 relay board Manufacture & Suppliers

Custom Liquid Filled SF6 Pressure Gauge Relay Calibrator High Performance Testing Equipment

...Relay Calibrator High-performance testing equipment for precise SF6 gas pressure measurement and relay calibration in industrial applications. Key Features 3.5 inch color LCD screen for clear data visualizat...

Wuhan Mingyang Technology Co., Ltd
Hubei,China

Verified Supplier

Add to cart
12V Battery Charging Control Board , XH-M601 Intelligent Charger Power Control Panel

... 13.8V-14.8V Relay closing voltage 12.4V Relay disconnect voltage 14.8V Voltage error ±0.1V Voltage detection method DC voltmeter Charging type 12V ......

Oky Newstar Technology Co., Ltd
Guangdong,China

Active Member

Add to cart
5V / 12V Arduino 8 Relay Module Control Board With Optocoupler Isolation

5V / 12V Arduino 8 Relay Module Control Board With Optocoupler Isolation Specifications: Color Red + blue Material PCB Features Supports high and low level trigger; Each channel can choose trigger way independe...

Oky Newstar Technology Co., Ltd
Guangdong,China

Active Member

Add to cart
5V / 12V Arduino 8 Relay Module Control Board With Optocoupler Isolation

5V / 12V Arduino 8 Relay Module Control Board With Optocoupler Isolation Specifications: Color Red + blue Material PCB Features Supports high and low level trigger; Each channel can choose trigger way independe...

Oky Newstar Technology Co., Ltd
Guangdong,China

Verified Supplier

Add to cart
12V Battery Charging Control Board , XH-M601 Intelligent Charger Power Control Panel

... 13.8V-14.8V Relay closing voltage 12.4V Relay disconnect voltage 14.8V Voltage error ±0.1V Voltage detection method DC voltmeter Charging type 12V ......

Oky Newstar Technology Co., Ltd
Guangdong,China

Verified Supplier

Add to cart
GSM Security Alarm system,RS232, gsm rtu sms controller,relay switch by SMS text command

GSM SMS remote control relay sms controlled relay Supports 3G and 4G version ( skype:lisali1220 WhatsApp:0086 13652426178) With 1 RS-232 serial port, 12 Digital Inputs, 4 relay outputs, CWT5113 is an ideal solu...

CWT (HK) Co., Limited
Guangdong,China

Active Member

Add to cart
relay module rs485 modbus, relay output wireless 3g/4g RTU with digital input & sim slot & ethernet for oil & gas

relay module rs485 modbus, relay output wireless 3g/4g RTU with digital input & sim slot & ethernet for oil & gas Support 3G WCDMA /4G LTE Version (Skype: lisali1220, WhatsApp: 0086 13652426178) The CWT5018 GPR...

CWT (HK) Co., Limited
Guangdong,China

Active Member

Add to cart
CWT5005B Industrial GSM RTU Controller SMS Alarm With 2Di 1 Relay Output

...relay output CWT5005B RTU with 2 DI, 1 relay output, RS232 standard electrical interface can connect various industrial equipment, such as PLC, meters, sensors, electrical switches. Port Features Port Qty Fe...

CWT(HK) Co., Limited
Guangdong,China

Verified Supplier

Add to cart
DS200TCRAG1ACC Relay Output Board Mark V Ge Turbine Control

DS200TCRAG1ACC Relay Output Board Mark V Ge Turbine Control Product Details: The GE Relay Output Board DS200TCRAG1ACC is populated with 30 plug-in relays. It also has 4 34-pin connectors and 4 12-pin connectors...

Sumset International Trading Co.,Ltd
Fujian,China

Verified Supplier

Add to cart
GE MKVIe IS200TRLYH1B - Relay Output Terminal Board

...: The IS200TRLYH1B is a Relay Output Terminal Board from GE's Mark VIe series. This terminal board features 12 plug-in magnetic relays, known as TRLY1B, which are designed with coil sensing technology. The f...

Sumset International Trading Co.,Ltd
Fujian,China

Verified Supplier

Add to cart
GE IS200SRLYH2AAA Simplex Relay Output Terminal Board

...Relay Output Terminal Board Product Details: The GE IS200SRLYH2AAA is a Simplex Relay Output Terminal Board, a critical interface component in industrial control systems, part of GE’s Mark series for turbine...

Sumset International Trading Co.,Ltd
Fujian,China

Verified Supplier

Add to cart
GE DS200TCRAG1ACC Relay Output Board with 2kg Weight 1year Warranty and 330mm Length for Mark V Speedtronic Control

... of external devices in gas and steam turbine operations. As a key interface component, it translates digital control signals from the system’s core into actionable relay outputs, facilitating communication ...

Sumset International Trading Co.,Ltd
Fujian,China

Verified Supplier

Add to cart
Holiday Village RS232 Check In Kiosk Check Out POS Terminal For Hotel

...RS232 Check In Kiosk Check Out POS Terminal For Hotel Holiday Village Self Passport Checkin Terminal Check Out POS Kiosk For Hotel Standard hardware components List: Components Details PC system Industrial B...

Shenzhen Lean Kiosk Systems Co., Ltd.
Guangdong,China

Verified Supplier

Add to cart
FUKUDA FC-1760 Defibrillator Therapy Defibrillator Board 9F5238 ZK3266 With Reed Relay DP1B12-10

...Board 9F5238 ZK3266 FUKUDA FC-1760 Defibrillator Therapy Defibrillator Board 9F5238 ZK3266 with Reed Relay DP1B12-10 ► Brief Description Therapy Defibrillator Board 9F5238 ZK3266 with Reed Relay DP1B12-10 fo...

China World Technology Medical Equipment Service Group
Guangdong,China

Verified Supplier

Add to cart
2 Channel Arduino Relay Module SSR Solid-State 5V with High Level Trigger

... groove; 2, the double FR - 4 circuit board design, high-end SMT process; 3, USES the loose music authentic relay control; 4, have relay operation instructions, and bright, disconnect the dawn; 5, signal inp...

Oky Newstar Technology Co., Ltd
Guangdong,China

Active Member

Add to cart
8cm x 8cm x 5cm Red Board For Arduino , 5V / 12V 2 Channel Relay Module

High Quality Red Boad 5V / 12V 2 Channel Relay Module Product Details Product name 1 Channel Relay Module Size 41 * 26mm Input voltage 5V/12V Product weight 15g Contact current <3A Application Household appliances control Factory Outline Payment Terms High......

Oky Newstar Technology Co., Ltd
Guangdong,China

Active Member

Add to cart
Multi - Function Motor Switching Relay , Electric Motor Relay Adjusted Acting Time

Multi - Function Motor Switching Relay , Electric Motor Relay Adjusted Acting Time 1. Products Description: Distribution board in middle/small vessel mainly use frame-type circuit breaker as generator's protect...

Wei Dian Union(Hubei) Technology Co.,Ltd.
Hubei,China

Active Member

Add to cart
35mm Motor Protection Relay , OEM ODM Generator Protection Relay Din Rail Installation

35mm Motor Protection Relay , OEM ODM Generator Protection Relay Din Rail Installation 1. Summary of Products: Distribution board in middle/small vessel mainly use frame-type circuit breaker as generator's prot...

Wei Dian Union(Hubei) Technology Co.,Ltd.
Hubei,China

Active Member

Add to cart
40A Power Relay Maxi Relays 12 VDC Coil Voltage PCB Mounting Monostable DC 50 Ω Coil Resistance

... 250VAC/28VDC ● Appearance Dimension: 57.0×40.0×50.0mm ● Anti-dust Structure, Multi-poles Conversion, PCB Board Type(Customized) ● Strong Resistance, High Reliability ● Complying with IEC255 & GB8898& GB2171...

IVY METERING CO.,LTD
Shanghai,China

Active Member

Add to cart

|< << 14 15 16 17 18 19 20 21 22 >> >|

Inquiry Cart 0

All Categories

Rs232 Relay Board

Total 1843 products for rs232 relay board Manufacture & Suppliers

Custom Liquid Filled SF6 Pressure Gauge Relay Calibrator High Performance Testing Equipment

12V Battery Charging Control Board , XH-M601 Intelligent Charger Power Control Panel

5V / 12V Arduino 8 Relay Module Control Board With Optocoupler Isolation

5V / 12V Arduino 8 Relay Module Control Board With Optocoupler Isolation

12V Battery Charging Control Board , XH-M601 Intelligent Charger Power Control Panel

GSM Security Alarm system,RS232, gsm rtu sms controller,relay switch by SMS text command

relay module rs485 modbus, relay output wireless 3g/4g RTU with digital input & sim slot & ethernet for oil & gas

CWT5005B Industrial GSM RTU Controller SMS Alarm With 2Di 1 Relay Output

DS200TCRAG1ACC Relay Output Board Mark V Ge Turbine Control

GE MKVIe IS200TRLYH1B - Relay Output Terminal Board

GE IS200SRLYH2AAA Simplex Relay Output Terminal Board

GE DS200TCRAG1ACC Relay Output Board with 2kg Weight 1year Warranty and 330mm Length for Mark V Speedtronic Control

Holiday Village RS232 Check In Kiosk Check Out POS Terminal For Hotel

FUKUDA FC-1760 Defibrillator Therapy Defibrillator Board 9F5238 ZK3266 With Reed Relay DP1B12-10

2 Channel Arduino Relay Module SSR Solid-State 5V with High Level Trigger

8cm x 8cm x 5cm Red Board For Arduino , 5V / 12V 2 Channel Relay Module

Multi - Function Motor Switching Relay , Electric Motor Relay Adjusted Acting Time

35mm Motor Protection Relay , OEM ODM Generator Protection Relay Din Rail Installation

40A Power Relay Maxi Relays 12 VDC Coil Voltage PCB Mounting Monostable DC 50 Ω Coil Resistance