Control Switch (Protection Switch)

122 products

Stainless steel deep well pump control switch, submersible pump overload protection switch, water pump external controller wiring switch

$6.80

Driver-Free USB Sound Card External Sound Card Module for Laptop CM108 USB Sound Card Chip

$1.82

CP2102 Six-in-One Multi-function Serial Port Module USB to TTL 485 232 Converter 3.3V/5V

$2.05

DC 0-100V/10A 50A 100A LED Dual Display Digital Current Voltage Meter, Digital Meter Head

$0.80

DC-DC Adjustable Step-Down Voltage Regulator Power Module with LCD Display Dual Voltage and Current Meter

$0.56

Compatible with 2014 version nano V3.0 ATMEGA328P improved version, no solder board, no wiring.

$2.12

KWS-066C Type-C Tester Color Screen USB Current Voltage Test Meter Bidirectional Tester Supports Fast Charging

$5.70

KG316T Time Control Switch Microcomputer Timer Signage Street Light Controller 220V Power Supply Automatic Timer Switch

$3.52

Push Button Switch Marine Panel Switch Control Start Stop for Diaphragm Pump Bilge Pump Fan Control Switch

$10.23

Carbon dioxide gas detector, indoor/household CO2 concentration meter, alarm, temperature and humidity meter, gas tester

$7.95

10mm Long Stroke, Two-Pin Gold-Plated Micro Automotive Long Travel Detection Switch, RSPB238-1-S Normally Closed

$0.60

0.28 Inch Ultra-Small Digital DC Voltmeter Head, Digital Display, Adjustable, Three-Wire DC0-100V, Battery Voltage Meter

$0.42

D85-2042A Dual Display Dual Color LCD Digital AC Voltmeter Ammeter, 80-500V 100A

$5.23

10W/15W/20W Stereo Bluetooth Amplifier Board, 12V/24V High-Power Digital Amplifier Module XY-AP15H

$4.32

Industrial-grade USB to RS485/RS232 communication module, bidirectional half-duplex serial cable converter, TVS protection.

$1.23

ZFXW2023 Digital Humidity Controller, Humidification/Dehumidification, Constant Humidity Smart Socket with 0.1%RH Accuracy

$7.05

86-Type Mechanical Delay Switch, Countdown Power Off Controller, UV Sterilizer Lamp Timer, Pump Timer

$3.18

Tuya WiFi Smart Circuit Breaker, Home Use, Remote Control, Rail Mounting, Monitors Electricity 1-63A

$10.23

Digital Display Auto-Reclosing Over/Under Voltage Protector, 2P for Home Distribution Box, Overload/Leakage Protection, Three-Phase

$3.59

Xiaomi Power Strip Concealed Overload Protection Switch, 2-in-1 Switch with Overload Protection, Boat Switch for Home Appliances

$0.41

Tuya WiFi Smart Circuit Breaker with Timed Voice Control and Mobile Phone Functionality, Rail-Mounted Switch 1-63A with Metering

$10.23

XH-M189 2*50W High-End Digital Amplifier Board DC24V TPA3116D2 Dual-Channel Stereo Amplifier Board

$2.65

DC-DC Programmable Buck-Boost Adjustable DC Power Supply, Constant Voltage/Current, Solar Charging Module

$7.84

Dual USB Current Voltage Tester, Splitter Adapter, Power Performance Testing

$1.56