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Blue Specialty Electrical Switches & Relays

Shop the best prices on 548 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 548
PT100 Type to 0-10V 0-100 Degree RTD Input 0-10 a Output DC24V Thermal Resistance Temperature m
$8.95 Save $10.00 RRP: $18.95
Power Supply Automatic Switching Module Battery Power Failure Automatic Charging Control Board Emer
$10.95 Save $2.00 RRP: $12.95
DC 24V 10A Adjustable Time Delay Relay Module 32 Modes LED Digital Timming Trigger Timer Control Sw
$10.95
8 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module
$40.95
240A 12V Remote Battery Disconnect Switch with Led Voltage Display Automatic Power Shut Off Switch
$47.95 Save $11.05 RRP: $59.00
RTD PT100 Temperature Transmitter Module Thermal Resistance -50-100C DC24V Output 4-20MA
$9.95
4 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board
$27.95 Save $8.00 RRP: $35.95
8 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board
$40.95 Save $13.05 RRP: $54.00
SRD-12VDC-SL-C NC timer with 12V DC timing control
$10.95
Switch Cover Decorative Plastic Push Button Cover For Automotive Toggle Switches Protection Convenient Control 4Pcs
$11.95 Save $6.00 RRP: $17.95
2-in-1 Replacement LCD Display & Touch Screen Assembly for Lite Fitted Screen Replacement Kit Blue
$59.00 Save $15.00 RRP: $74.00
220V 2-CH Automatic Power Switch Module Power Failure Standby
$13.95 Save $3.00 RRP: $16.95
4 Channel USB Relay Module LCUS-4 Intelligent Control Relay Switch
$12.95 Save $3.00 RRP: $15.95
LCUS-2 Type Two-Way USB Relay Module Intelligent Control USB Switch
$9.95 Save $6.00 RRP: $15.95
ZW101 Fingerprint Single-Channel Relay Module Capacitive Semiconductor OLED Display STM32 Support S
$20.95
240A 12V Remote Battery Disconnect Switch with Led Voltage Display Automatic Power Shut Off Switch
$54.00
8Pcs TCRT5000 Infrared Reflective Sensor IR Photoelectric Switch Barrier Line Track Module for Smar
$10.95
Engine Start Stop Switch Button Sticker One-Touch Ignition Switch Sticker for - W177 AB Class A180
$11.95
20PCS Momentary Guitar Effect Pedal 3PDT Footswitch 9 Pin Latching Stomp Push Button Foot Switch True Bypass Solder Lug
$45.95 Save $13.05 RRP: $59.00
ESP32 RS485 Modbus 4 Channel Relay Module 7-24V TYPE-C Built-in CH340 with WIFI Bluetooth Support Modbus
$28.95
XL6009 4A DC-DC Booster Module 4.5-32V to 5-35V Adjustable Power Supply Module Low Ripple Step-Up Module
$8.95
PCA9555 Module IO Expansion Module GPIO Level Conversion 16-Way Non-MCP23017 PCF8575 PCA9555
$21.95
Power Supply Automatic Switching Module Battery Power Failure Automatic Charging Control Board Emergency Circuit Breaker
$12.95
Water Liquid Level Controller Sensor Module Water Level Detection Sensor Pumping Drainage Protection Circuit Board
$12.95 Save $5.00 RRP: $17.95
30PCS MOS Transistor Driving Module Trigger Switch DC5V-36V 15A(Max 30A) PWM Adjustment Electronic Switch Control Board
$20.95
1Pcs Waterproof Travel Switch ME-9101 Momentary Limit Switch 1NC/1NO 5A/250VAC
$7.95
8 Channel Relay Extention Board for 5/4B with Optocoupler Isolation for 5 4B 3B+ 3B Zero 2W
$38.95
2Pcs DC12-24V Dual MOS Digital Time Delay Relay Trigger Cycle Timer Delay Switch Circuit Board Timing Control Module
$11.95
660V 20A Switch 4-Position 2 Pole Rotary Selector Universal Rotary Cam Changeover Switch Electric Motor Reversing Switch
$14.95
1-Way Relay Driver Module with LED Indicator Microcontroller Compatible PLC MCU Control Board Module 12V
$7.95
660V 20A Switch 4-Position 2 Pole Rotary Selector Universal Rotary Cam Changeover Switch Electric Motor Reversing Switch
$13.95
USB to RS485/RS232 Communication Module Communication Converter
$16.95 Save $4.00 RRP: $20.95