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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
WiFi 6 Smart Switch Smart Home DIY Breaker Relay with Dry Contact DC/AC Neutral/Live Contact Relay Function Control
$22.95 Save $10.00 RRP: $32.95
DC 12V Adjustable Timer Delay Turn OFF Module Timing Relay Time Switch 1-10sec Delay Off Switch Module unbrand
$8.95
LCUS-2 Type Two-Way USB Relay Module Intelligent Control USB Switch USB Control Relay for Electronics unbrand
$10.95
12V AC Current Sensor Module with Overcurrent and Overload Protection for Enhanced Safety Monitoring
$11.95 Save $18.00 RRP: $29.95
16 Channel 12V Relay Module for
$15.95
New Lot UWB3000F27 - UWB Decawave'S DW3000 Accuracy 10cm Tracking Indoor Positioning Module 500mW Ranging Module
$79.00
Temperature Acquisition Module 8 Way Modbus RS485 Type K Thermocouple Input Gateway Watchdog DNS Industrial
$59.00
Remote Battery Disconnect Switch 12V 240A with Led Voltage Display,Automatic Power Shut Off Switch
$59.00 Save $15.00 RRP: $74.00
10 PCS DC 5V-36V 15A(Max 30A) 400W Dual High-Power MOSFET Trigger Switch Drive Module 0-20KHz PWM Adjustment Electronic
$8.95 Save $5.00 RRP: $13.95
AC 110V 220V to DC 24V 6A Power Supply Module Switching Board Promotion Panel Splitter 60
$29.95
One-Click Engine Ignition Start Stop Switch Push Button Protective Kit Cover Sticky Decoration
$46.95
2X DC 12V ESP8266 ESP-01 4-Channel Relay Module WiFi Module for IoT Smart Home Mobile Phone APP Controller WiFi Relay
$26.95 Save $15.00 RRP: $41.95
20 PCS DC 5V-36V 15A(Max 30A) 400W Dual High-Power MOSFET Trigger Switch Drive Module 0-20KHz PWM Adjustment Electronic
$15.95 Save $9.00 RRP: $24.95
Temperature Acquisition Module 8 Way Modbus RS485 Type K Thermocouple Input Gateway Watchdog DNS In
$52.95 Save $11.05 RRP: $64.00
DC 12V Adjustable Delay Turn OFF Module Timing Relay Time Switch 1-10sec Delay Off Switch Module
$9.95 Save $2.00 RRP: $11.95
Channel 5V Relay Module Board Shield for with Optocoupler Support High and Low Level Trigger
$6.95 Save $2.00 RRP: $8.95
Power Supply Automatic Switching Module Battery Power Failure Automatic Charging Control Board Emer
$11.95 Save $3.00 RRP: $14.95
37960 Electrical Disconnect Pliers, for Push Tab Style Plugs A
$13.95
8 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module
$33.95
660V 20A Switch 4-Position 2 Pole Selector Universal Cam Changeover Switch Electric Motor Reversing
$14.95
Switching Power Supply Module Ac 110V 220V to Dc 24V 6A Switching Board Promotion Panel Splitter 60
$14.95
ESP8266 WIFI Single Relay MOS Switch Control Module ESP-12F Development Board Support DC 5-80V and USB Port Power Supply
$12.95
XL6009 4A DC-DC Booster Module 4.5-32V to 5-35V Adjustable Power Supply Module Low Ripple Step-Up M
$8.95
8 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board
$44.95
20Pcs Auto on Off Street Light Sensor Switch Photo Switch 220V 10a Automatic Switch
$49.95 Save $29.05 RRP: $79.00
High Power Relay 80A DC12V 2Z Current Relay for Voltage Regulator Large Machinery Transformer Boxes
$21.95 Save $10.00 RRP: $31.95
Zigbee Smart Switch with Temperature Sensor Passive Dry Contact 1 Channel Relay Tuya Smart Life APP AC 85-250V
$23.95 Save $11.00 RRP: $34.95
1-Way Relay Driver Module with LED Indicator 24V
$5.95
10Pcs ME-8108 Momentary Roller Arm Type Limit Switch for CNC Mill 5A 250V ME8108 Mini Switch
$38.95
DC 12V 24V 16 Input 16 Output RS485 Remote Control Switch PLC IO Expansion Board Modbus RTU Module
$27.95