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Blue Specialty Electrical Switches & Relays

Shop the best prices on 720 great value blue specialty electrical switches & relays. Shopping for specialty electrical switches & relays is easy with Fruugo, with SALE discounts, offers and savings on GreenZech, Jaycar and No Brnad. Buy specialty electrical switches & relays online safely with Fruugo, with secure payment and fast shipping to Canada.

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1 - 32 of 720
DC 12V Adjustable Timer Delay Turn OFF Module Timing Relay Time Switch 1-10sec Delay Off Switch Module
$7.95 Save $4.00 RRP: $11.95
Bluetooth Proximity Switch Single-Channel 30A Relay Module, Sensor Switch, Unlock with Phone Approach, 5-32V Input
$14.95 Save $8.00 RRP: $22.95
Waterproof LED Power Push Button Switch for Automotive Use, 12mm 12V Momentary Push Button with 1NO 1NC Configuration, Available in Red and
$42.95
DC 6-30V Support -USB 5V LED Display Automation Delay Timer Control Off Switch Delay Time Relay 6V
$6.95 Save $3.00 RRP: $9.95
1-Way Relay Driver Module with LED Indicator 5V
$5.95
Temperature Acquisition Module 8 Way Modbus RS485 Type K Thermocouple Input Gateway Watchdog DNS In
$59.00
AC 3A/250V 6A/125V 6 Pin DPDT On/On 2 Position Toggle Switch Blue
$7.95 Save $5.00 RRP: $12.95
3-Position Changeover Switch ABS with Versatile Applications for Industry Use
$54.00
RTD PT100 Temperature Transmitter Module Thermal Resistance -50-100C DC24V Output 4-20MA
$11.95
Channel 5V Relay Module Board Shield for with Optocoupler Support High and Low Level Trigger
$7.95
3X 660V 20A Switch 4-Position 2 Pole Rotary Selector Universal Rotary Cam Changeover Switch Electri
$32.95
10X AC 3A/250V 6A/125V 6 Pin DPDT on/on 2 Position Mini Toggle Switch Blue
$10.95
PT100 Type to 0-10V 0-100 Degree RTD Input 0-10 a Output DC24V Thermal Resistance Temperature Trans
$19.95 Save $10.00 RRP: $29.95
Due 2012 R3 ARM Version Main Control Board
$24.95 Save $39.05 RRP: $64.00
Remote Battery Disconnect Switch 12V 240A with Led Voltage Display,Automatic Power Shut Off Switch f
$44.95 Save $14.05 RRP: $59.00
10 Pcs DC 5V Coil 7A 240VAC 10A 125VAC/28VDC 5 Pins SPST Power Relay JQC-3F
$11.95 Save $2.00 RRP: $13.95
Channel 5V Relay Module Board Shield for with Optocoupler Support High and Low Level Trigger
$7.95 Save $1.00 RRP: $8.95
6 Way Temperature Acquisition Module Type K Modbus Thermocouple Input RS485 Ethernet Gateway Watchdog DNS Industrial
$79.00 Save $25.00 RRP: $104.00
4PCS Car AC Relay, 12V 4 Pin Plug and Play Retrofit Relay Replacement 90987-02027,for
$10.95 Save $8.00 RRP: $18.95
4 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module
$22.95
Remote Battery Disconnect Switch 12V 240A with Led Voltage Display,Automatic Power Shut Off Switch
$40.95 Save $38.05 RRP: $79.00
8Pcs TCRT5000 Infrared Reflective Sensor IR Photoelectric Switch Barrier Line Track Module for Smar
$8.95 Save $45.05 RRP: $54.00
16 Channel USB Relay Module ESP32 Development Board for PC
$26.95 Save $7.00 RRP: $33.95
12V DC Delay Relay Delay Turn on / Delay Turn Off Switch Module with Timer
$7.95 Save $3.00 RRP: $10.95
10 PCS DC 5V-36V 15A(Max 30A) 400W Dual High-Power MOSFET Trigger Switch Drive Module 0-20KHz PWM Adjustment Electronic
$9.95 Save $5.00 RRP: $14.95
DC 12V ESP8266 ESP-01 4-Channel Relay Module WiFi Module for IoT Smart Home Mobile Phone APP Controller WiFi Relay
$15.95 Save $8.00 RRP: $23.95
220V AC 5A Overcurrent Protection Module with Key Setting and Digital Tube Display DC8-24V for Device Protection
$10.95 Save $6.00 RRP: $16.95
22mm On/off Motorcycle Switch Push Button 12v Button Handlebar Switch For Atv
$8.95
Power Supply Automatic Switching Module Battery Power Failure Automatic Charging Control Board Emer
$12.95
12V 240A Remote Battery Disconnect Switch Anti Marine RV ATV Boat Theft Automatic Cut Shut Off Switc
$38.95 Save $60.05 RRP: $99.00
Smart Home Relay Switch AC110-240V Single Channel with Remote Control Compatible with APP & Alexa
$18.95 Save $55.05 RRP: $74.00
3X Trigger Cycle Timing Delay Switch Circuit Double MOS Tube Control Board Instead of Relay Module 12 24V Circuit Board
$11.95 Save $7.00 RRP: $18.95