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Key switches for home automation systems
500+ products
220V/230V 16A AC Domestic Contactor 2P 2NO Household AC Contactor DIN Rail Mount 50/60Hz Household AC Contactor
Hongfa HF161F-W/24-HT 24V DC 26A Normally Open Relay - New, Original, and High Power
Hongfa HF2150-1A-12DE 12V DC 30A 4-pin normally open T90 high power original relay
Relay Module 4 Channel Solid State Relay Module With Fuse for DIY Electronics Enthusiasts
200 A relay, M8 terminal block, 12 V/24 V, copper terminal block, silver contacts, New Energy 12 V – 4-pole [M8] single-coil main switching relay with interlock--DTEKGAZ
5V DC 8-Channel Relay Module with Optocoupler for Mega 1280 DSP Arm PIC AVR STM32 Raspberry Pi
5V DC 4-Channel Relay Module with Optocoupler for Mega 2560 1280 DSP Arm PIC AVR STM32 Raspberry Pi
AC contactor, BCH8-40M 2P 40A 230V Household AC DIN rail mounting with manual control switch for domestic applications (2NO)
AC Contactor, DIN Rail Silent Contactor 25A, 4-Position Domestic Switch, AC Contactor with Manual Control Switch 2P 25A 220V 50Hz (2NO)
IP55 magnetic electric motor starter, waterproof motor start control switch, single-phase 220-230V, 3-phase 380-400V
Using the MK2P-I AC 220V DPDT coil 8-pin relay with PYF83A plug-in terminal socket
2000W AC Motor Speed Controller 50-220V 25A Adjustable Motor Speed Controller Voltage Regulator
Voltage Control Adapter Module 4 Road 817 Optocoupler Anti Interference Photoelectric Isolation Module
High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module 30A YYG‑2 DC24V
PWM 4-Channel MOS FET Module PLC Amplifier Circuit Board Driver Module 3-20V to 3.7-27VDC 10A
817 Optocoupler Anti Jamming Lightweight Portable 2 Channel Optocoupler Isolation Board
High Power One Way High/Low Level Trigger Optocoupler Isolation Relay Module 30A YYG-2 DC12V
Single Phase DC-AC Solid State Relay SSr 40DA 40A Input 3-32V DC Output 24-380V AC
Xinda 946H-1C-24D 24VDC 3A 6-pin single on/off low power relay, original new product.
Xinda 946H-1C-5D 5VDC 3A 6-pin single on/off switch relay, new original low power consumption.
Hongfa HFD16/12-ZFH-3N low-power signal relay, 12V DC, 6 pins, 1A, new and original








![200 A relay, M8 terminal block, 12 V/24 V, copper terminal block, silver contacts, New Energy 12 V – 4-pole [M8] single-coil main switching relay with interlock--DTEKGAZ (1/4)](https://cdn.manomano.com/pim-media/images/medium/7bcbed9c305fc0d3285fc98660adc457fcb4e733.jpg)
![[NEVER USED] AC 240V Current Sensing Switch Adjustable Current Sensing Switch 0.2-30A Current Monitoring Relay, Normally Open (1/4)](https://cdn.manomano.com/pim-media/images/medium/1524bc24c04797c4d588349ab95d430f0e589135.jpg)









































