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Blue Specialty Electrical Switches & Relays

Shop the best prices on 718 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 718
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
Bluetooth Proximity Switch Single-Channel 30A Relay Module, Sensor Switch, Unlock with Phone Approach, 5-32V Input
$17.95 Save $11.00 RRP: $28.95
RTD Temperature Transmitter with PT100 Input, 0-10V Output, DC24V Power Supply, 0-100 Degree Celsius Range
$22.95 Save $36.05 RRP: $59.00
Automatic Power Transfer Switch Module 220V 2-Way 10A 2-In 1-Out Supply Failure Board
$19.95 Save $39.05 RRP: $59.00
2 Pack Battery Charging Protection Module Power Failure Automatic Switching Device Board Emergency
$11.95 Save $2.00 RRP: $13.95
8 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board
$41.95 Save $10.00 RRP: $51.95
Temperature Acquisition Module 8 Way Modbus RS485 Type K Thermocouple Input Gateway Watchdog DNS In
$54.00 Save $5.00 RRP: $59.00
4 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board
$28.95 Save $7.00 RRP: $35.95
10Pcs ME-8108 Momentary Roller Arm Type Limit Switch for CNC 5A 250V
$37.95 Save $2.00 RRP: $39.95
10Pcs ME-8108 Momentary Arm Type Limit Switch for 5A 250V ME8108 Mini Switch
$42.95 Save $16.05 RRP: $59.00
1Pcs Waterproof Travel Switch ME-9101 Momentary Limit Switch 1NC/1NO 5A/250VAC
$6.95 Save $3.00 RRP: $9.95
16 Channel 12V Relay Module with Optocoupler Low Level Trigger Expansion Board for
$14.95 Save $15.00 RRP: $29.95
A **Rotary Cam Transfer Switch** with **Electrical Selector Position** for **Motor Control and Power Supply Switching** is an electromechanical
$19.95 Save $19.00 RRP: $38.95
8 Channel Modbus RS485 Type K Thermocouple Input Gateway with Watchdog DNS for Industrial Use
$74.00
Due 2012 R3 ARM Version Main Control Board
$31.95
DC 12V 24V 16 Input 16 Output RS485 Remote Control Switch PLC IO Expansion Board Modbus RTU Module
$25.95
12V 240A Remote Battery Disconnect Switch Anti Marine RV ATV Boat Theft Automatic Cut Shut Off Switch for Auto Truck
$37.95
1-Way Relay Driver Module with LED Indicator Microcontroller Compatible PLC MCU Control Board Module 12V
$6.95
1-Way Relay Driver Module with LED Indicator Microcontroller Compatible PLC MCU Control Board Module 5V
$6.95
DC 24V 10A Adjustable Time Delay Relay Module 32 Modes LED Digital Timming Trigger Timer Control Switch Pulse Cycle
$10.95
20pcs 15A 400W MOSFET Trigger Switch Drive Module PWM Regulator Control Panel
$15.95
Due 2012 R3 ARM Version Main Control Board
$28.95
0.91inch OLED 128x32 I2C IIC Blue OLED Display Module for RPI 1, B+, 2, 3 and Zero
$12.95
10X AC 3A/250V 6A/125V 6 Pin DPDT on/on 2 Position Mini Toggle Switch Blue
$9.95 Save $6.00 RRP: $15.95
Time Delay Relay, Time Delay Controller, Adjustable Control Switch, AC 230V, with LED Indicator
$34.95 Save $10.00 RRP: $44.95
DC 24V 10A Adjustable Time Delay Relay Module 32 Modes LED Digital Timming Trigger Timer Control Sw
$10.95 Save $48.05 RRP: $59.00
XL6009 4A DC-DC Booster Module 4.5-32V to 5-35V Adjustable Power Supply Module Low Ripple Step-Up Module
$8.95 Save $4.00 RRP: $12.95
240A 12V Remote Battery Disconnect Switch with Led Voltage Display Automatic Power Shut Off Switch
$54.00 Save $5.00 RRP: $59.00
Solenoid Valve Coil SP-COU-24DC/80 12DC/80 COI-230/50/60/80, ID 18mm SP-COU-12DC 80
$35.95 Save $16.00 RRP: $51.95
8 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module
$41.95
Auto Ignition Switch Panel Start Push Button LED Indicator compatible for Racing Car Vehicles 12V 20A 4 Rocker Toggle Switch Panel
$64.00 Save $35.00 RRP: $99.00