NO: The relay normally open interface, the relay is suspended before the suction, and the short is connected with COM after the suction. 1, The module uses genuine high-quality relays and parts, the maximum load of the normally open interface: AC 250V/10A, DC 30V/10A;.
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4CH Zigbee Smart Switch 220V Module APP Remote Control USB 5V 12V 24V 85-250V RF Receiver 10A Smart Relay With Alexa Google Home
Aliexpress UK
Relay Module 5V Channel 1, 2, 4,6 and 8 for Arduino Raspberry Pi ARM ESP8266 ESP32 with Optocoupler.
eBay
WiFi Tuya Smart 1CH Switch 220V 10A Relay Module APP Remote Control USB 5V 12V 24V 220V 85-250V RF433 Receiver Google Home Alexa
Aliexpress UK
Active low relay board with 5V, 12V or 24V relays capable of being switched on-off by an opto-isolated digital input. Each relay features an LED indicator. 1, 2, 4 or 8 Channels. Maximum switching current: 10A.
eBay
1 2 4 8 Channel 5V 12V 24V Relay Module Board Shield With Optocoupler Support High And Low Level Trigger
Aliexpress UK
5V or 12V 1-2-4-8-16 Channel Relay Module Arduino Raspberry PI ARM AVR DSP PIC. - Red working status indicator for each relay module. - Channel: 1/2/4/8/16 channels. New Arrivals.
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5V 12V 16 Channel Relay Module Interface Board For Arduino PIC ARM DSP PLC With Optocoupler Protection LM2576 Power
Aliexpress UK
Mini PCB Mount Relay 5V or 12V. Max Switching Current: 10A. Rated Load: 10A 250VAC, 10A 30VDC.
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Tuya WiFi Wireless Remote Control Light Switch 5V 12V 24V 48V 1CH/2CH Dry Contact Relay Alexa Google Home Alice for Lamp/Motor
Aliexpress UK
NO: normally open relay interface. NC: normally closed relay interface. Module interface Relay outputs COM: Common Interface Relays. low level trigger when jumper connects to LOW pin. High and low level trigger options.
eBay
XH-M131 DC 5V 12V 24V 10A Light Control Switch Photoresistor Relay Module Detection Sensor brightness Automatic Control YANXD
Aliexpress UK
Input IN1, IN2, IN3, IN4, the signal line LOW effective. 3, IN1-IN8: trigger signal, active low. 3, NC1 - NC8: normally closed relay interface relay shorted with COM ago, after the pull- vacant. Relay outputs : a 12- line interface, the interface can be directly connected to all leads, user-friendly.
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5PCS/LOT G6K-2P-Y-3VDC G6K-2P-Y-5VDC G6K-2P-Y-12VDC G6K-2P-Y-24VDC DIP-8 Signal Relay G6K-2P-Y-3V/5V/12/24V Two open and two clo
Aliexpress UK
1/2/4/6/8/16 Channel Relay with Optocoupler. 5V 12V 24V for Arduino Raspberry PI. A power relay module is an electrical switch that is operated by an electromagnet. 1 Channel Relay Module. 2 Channel Relay Module.
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Tuya Smart Switch 4 Channel Wifi Relay Rolling Door Switch DC AC 5V 12V 24V 32V 220v Motor Curtain Switch Inching Self-locking
Aliexpress UK