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Blue Specialty Electrical Switches & Relays

Shop the best prices on 1,063 great value blue specialty electrical switches & relays. Shopping for specialty electrical switches & relays is easy with Fruugo, with SALE discounts, offers and savings on Hpscdyo. Buy specialty electrical switches & relays online safely with Fruugo, with secure payment and fast shipping to Ireland.

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1 - 32 of 1,063
12V DC Delay Relay Delay Turn On / Delay Turn off Switch Module with Timer
€6.95
DC 12V Timing Timer Delay 1-10S Time Adjustable Relay with Indicator Light Turn OFF Relay Module Tr
€5.95 Save €2.00 RRP: €7.95
2Pcs USB to RS485 Converter Isolate Module Upgrade Industrial TVS ESD Protection CH340E Standard -4
€6.95 Save €3.00 RRP: €9.95
10X USB to RS485 Communication Module Bidirectional Half-Duplex Serial Line Converter
€24.95 Save €4.00 RRP: €28.95
10PCS TTP224 Digital Touch Sensor Capacitive Switch Module Button 4 Channel Capacitive Switch Modul
€6.95 Save €6.00 RRP: €12.95
Tire Machine Switch 40A Turn Table Pedal Switch Motor Forward Reverse Switch blue
€35.66 Save €9.84 RRP: €45.50
12v 20a Winch In Winch Out On-off-on Rocker Switch 7 Pin Led Blue
€17.95 Save €21.00 RRP: €38.95
Heavy Duty Float Switch for Sewage, Suspended Solids and Viscous Liquids (Line Length 10 Meters)
€59.00 Save €60.00 RRP: €119.00
3X 12V DC Delay Relay Delay Turn on / Delay Turn Off Switch Module with Timer
€45.95 Save €3.00 RRP: €48.95
4m Cable Float Switch Designed for Sewage and Dense Fluid Monitoring
€59.00 Save €45.00 RRP: €104.00
Switch Panel DC 12 to 24V 5 Gang Aluminum Alloy IP65 Water Resistant Prewired Rocker Switch Panel wi
€54.07
4 Meter Line Length Float Switch for Suspended Solids in Wastewater
€59.00 Save €45.00 RRP: €104.00
Durable Float Switch for Sewage Solids and Viscous Liquids with 4m Cable
€79.00 Save €110.00 RRP: €189.00
DC Relay Module with 1-10S Time Delay & Indicator Light - Adjustable Trigger & Auto Turn OFF
€21.95 Save €18.00 RRP: €39.95
5X Xh-M203 Full Automatic Water Level Controller Pump Switch Module Ac/Dc 12V Relay Sensors
€12.95
12V Light Control Switch Photoresistor Relay Module Detection Sensor XH-M131
€4.95 Save €2.00 RRP: €6.95
LCUS - type 1 USB relay module USB intelligent switch control
€5.95 Save €3.00 RRP: €8.95
2Pcs USB to RS485 Converter Isolate Module Upgrade Industrial TVS ESD Protection CH340E Standard -4
€5.95 Save €3.00 RRP: €8.95
Modbus Rtu 4 Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module
€7.95 Save €4.00 RRP: €11.95
Xh-M203 Full Automatic Water Level Controller Pump Switch Module Ac/Dc 12V Relay Sensors
€4.95 Save €3.00 RRP: €7.95
-X804 -OFF Protection Module Automatic Switching Controller Board DC12V-48V Emergency Automatic Con
€5.95 Save €2.00 RRP: €7.95
4 Digit LED DC 8 -36V 8 Channel Multifunction Relay Control Module with Power Indicator Relay Sucti
€32.95
USB to RS485 Communication Module Bidirectional Half-Duplex Serial Line Converter
€7.95
LCUS - type 1 USB relay module USB intelligent switch control
€7.95
12V DC Delay Relay Delay Turn on / Delay Turn Off Switch Module with Timer
€4.95
Dc 12v Timing Timer Delay 1-10s Time Adjustable Relay With Indicator Light Turn Off Relay Module Tr -QH
€37.95 Save €46.05 RRP: €84.00
Modbus Rtu 4 Relay Module Input 485 Ttl Uart Communication 4-Channel Input 7-24V Relay Module
€8.95
12V DC Delay Relay Delay Turn on / Delay Turn Off Switch Module with Timer
€6.95
Photoresistor sensor for 12V light control relay module
€33.95 Save €20.05 RRP: €54.00
3X 12V DC Delay Relay Delay Turn on / Delay Turn Off Switch Module with Timer
€42.95 Save €36.05 RRP: €79.00
2 in 1 Pump Pour Water Automatic Controller DC12V Liquid Level Sensor Switch Relay Module for Motor
€5.95 Save €6.00 RRP: €11.95
2pcs Usb To Rs485 Converter Isolate Module Upgrade Industrial Esd Protection Ch340e Standard -485 C
€10.95 Save €19.00 RRP: €29.95