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Blue Specialty Electrical Switches & Relays

Shop the best prices on 1,048 great value blue specialty electrical switches & relays. Shopping for specialty electrical switches & relays is easy with Fruugo, with SALE discounts, offers and savings on many brands. Buy specialty electrical switches & relays online safely with Fruugo, with secure payment and fast shipping to Ireland.

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1 - 32 of 1,048
Round Toggle Switch, Led Toggle Switch On/off With 12v 20a 3 Pin Red Light For Car, Truck, Racing Cars, Rvs, Marine(10pcs)
€17.95 Save €19.00 RRP: €36.95
12V Light Control Switch Photoresistor Relay Module Detection Sensor XH-M131
€4.95 Save €2.00 RRP: €6.95
12V Light Control Switch Photoresistor Relay Module Detection Sensor XH-M131
€4.95 Save €2.00 RRP: €6.95
Photoresistor relay module for 12V light control switch XH-M131
€43.95 Save €15.05 RRP: €59.00
12V DC Delay Relay Delay Turn on / Delay Turn Off Switch Module with Timer
€3.95 Save €6.00 RRP: €9.95
USB to RS485 Communication Module Bidirectional Half-Duplex Serial Line Converter
€4.95 Save €5.00 RRP: €9.95
-3.3 Regulator Power Supply Module 4.75V-12V to 3.3V 800mA (Pack of 5)
€4.95 Save €28.00 RRP: €32.95
Xh-M203 Full Automatic Water Level Controller Pump Switch Module 12V Relay Sensors
€5.95 Save €4.00 RRP: €9.95
12v 20a Winch In Winch Out On-off-on Rocker Switch 7 Pin Led Blue-Good
€12.95 Save €6.00 RRP: €18.95
LCUS - type 1 USB relay module USB intelligent switch control-Good
€8.95 Save €11.00 RRP: €19.95
4 Digit LED DC 8 -36V 8 Channel Multifunction Relay Control Module with Power Indicator Relay Sucti
€27.95 Save €81.05 RRP: €109.00
Heavy Duty Float Switch for Sewage, Suspended Solids and Viscous Liquids (Line Length 10 Meters)
€89.00 Save €60.00 RRP: €149.00
5Pcs AD9833 DDS Signal Generator Module, Programmable Sine/Square Wave Output with Serial Interface for Microprocessor Control
€19.95
Usb Relay Module Usb Intelligent Control Switch For Lcus-1 Type Electronic Converter Y
€11.95 Save €6.00 RRP: €17.95
-SR04 Ultrasonic Ranging Module Test Board Serial Output Digital Tube Display Rangefinder
€11.95 Save €5.00 RRP: €16.95
12V Light Control Switch Photoresistor Relay Module Detection Sensor XH-M131
€11.95 Save €5.00 RRP: €16.95
Suspended solids float switch with 4m cable
€51.95 Save €42.05 RRP: €94.00
Robust float switch for solids detection, 4m line
€59.00 Save €50.00 RRP: €109.00
2x Usb To Rs485 Communication Module Bidirectional Half-duplex Serial Line Converter
€27.95 Save €6.00 RRP: €33.95
12V DC Delay Relay Module with Timer for Delayed Turn On/Off Function
€9.95 Save €25.00 RRP: €34.95
ME-8111 AC250V / 5A DC115V / 0.4A DPST Momentary AC Limit Switch for CNC Mill
€5.95
District of Columbia 6~80V Voltage Monitoring Relay Time Delay Charging Discharge Controller Module
€20.95 Save €20.00 RRP: €40.95
12V DC Delay Relay Delay Turn on / Delay Turn Off Switch Module with Timer
€7.95
Usb To Rs485 Communication Module Bidirectional Serial Line Converter
€6.95 Save €14.00 RRP: €20.95
DC 12V ESP8266 ESP-01 4-Channel Relay Module WiFi Module for IoT Mobile Phone APP Controller WiFi R
€11.95 Save €28.00 RRP: €39.95
High Viscosity Liquid Float Switch for Sewage and Industrial Processes
€59.00 Save €50.00 RRP: €109.00
Corrosion resistant float switch for sewage, 4 meters
€64.00 Save €55.00 RRP: €119.00
12V DC Delay Relay Delay Turn on / Delay Turn Off Switch Module with Timer
€12.95 Save €12.00 RRP: €24.95
12V DC Delay Relay Delay Turn on / Delay Turn Off Switch Module with
€6.95 Save €7.00 RRP: €13.95
Heavy Duty Float Switch for Sewage, Solids, Viscous Liquids - 4m Cable
€84.00 Save €65.00 RRP: €149.00
Durable Float Switch for Sewage Systems and Thick Liquid Applications
€54.00 Save €55.00 RRP: €109.00