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Key switches for home automation systems
500+ products220V/230V 16A AC Domestic Contactor 2P 2NO Household AC Contactor DIN Rail Mount 50/60Hz Household AC Contactor
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
5V DC 4-Channel Relay Module with Optocoupler for Mega 2560 1280 DSP Arm PIC AVR STM32 Raspberry Pi
5V DC 8-Channel Relay Module with Optocoupler for Mega 1280 DSP Arm PIC AVR STM32 Raspberry Pi
2000W AC Motor Speed Controller 50-220V 25A Adjustable Motor Speed Controller Voltage Regulator
KJD17F 18A 22V 0.5ft electromagnetic switch, low voltage and high current DC control switch with auxiliary contacts, suitable for motor control in industrial plants.
Voltage Control Adapter Module 4 Road 817 Optocoupler Anti Interference Photoelectric Isolation Module
DKLD DZ-6 16A 250V Four-pole electromagnetic switch, 2500W industrial contactor, high-performance motor control, power tool switch
KOA8 400V 12A 2500W Three-phase electromagnetic switch, self-locking contactor, industrial motor holding switch, magnetic holding control (No power supply required)
KJD6-3 Electromagnetic Switch with Control Panel Industrial Control Switch, Waterproof and Dustproof Control Panel, Motor Control, Power Tool Accessory
Relay Module, Wide Applications, Excellent Performance, Superior Quality, Powerful Functionality, Convenient Use, Control for MCU, VCC Power Supply, Domain.
JR36-20 3.2-5A 20A Overload Relay, Temperature Overload Protector, Independent Installation
KOA8 250V 16A 3000W Three-phase electromagnetic switch, self-locking contactor, industrial motor holding switch, magnetic holding control (No power supply required)
KLD-28A 16A 250V 5-pole electromagnetic switch, high-performance 5000W self-locking contactor, industrial zero-power regulator.
CK21 16 A 250 V 5-pole electromagnetic switch 2000 W high-performance contactor with self-locking Motor switch with dual control Control unit for industrial plants
CK21 16 A 250 V 4-pole electromagnetic switch 1800 W high-performance contactor with self-locking Motor control Circuit breaker for industrial plants
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
5-pole electromagnetic switch YH02-A-4 16 A 250 V, 2000 W self-locking high-performance contactor with manual reset, 45 x 22 mm industrial control
4-pole electromagnetic switch YH02-A-4 16 A 250 V, 2000 W self-locking high-performance contactor with manual reset, 45 x 22 mm industrial control
5Pcs High Quality Power 2N3055 Npn Transistors Metal Case 15A 100V 115W NPN 5 Piece Transistor Set
KJD12-14 6-pole electromagnetic switch, waterproof emergency stop button, undervoltage and overload protection, industrial motor protection controller.



![[NEVER USED] AC 240V Current Sensing Switch Adjustable Current Sensing Switch 0.2-30A Current Monitoring Relay, Normally Open](https://cdn.manomano.com/pim-media/images/medium/1524bc24c04797c4d588349ab95d430f0e589135.jpg)















































