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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
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
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
Power Supply Automatic Switching Module Battery Power Failure Automatic Charging Control Board Emer
$11.95 Save $1.00 RRP: $12.95
4 Channel USB Relay Module LCUS-4 Intelligent Control Relay Switch
$12.95 Save $3.00 RRP: $15.95
8 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module
$41.95
6 Way Temperature Acquisition Module Type K Modbus Thermocouple Input RS485 Ethernet Gateway Watchd
$79.00
-402 AC 250V 15A 1NO 1NC Momentary Foot Controller Electric Pedal Switch Non-Slip Aluminum Alloy Foot Pedal Switch
$20.95 Save $48.05 RRP: $69.00
240A 12V Remote Battery Disconnect Switch with Led Voltage Display Automatic Power Shut Off Switch
$48.95 Save $10.05 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
8 Channel Relay Module 30A DC7-28/5V WIFI Bluetooth Relay Module ESP32-WROOM Development Board
$41.95 Save $10.00 RRP: $51.95
Quectel LC29HEA High Precision Centimeter Level RTK Module
$89.00
100mm Big Round Push Button Led Illuminated With Microswitch For Diy Arcade
$18.95
3PCS AS-10 Waterproof Photo Control Sensor Switch Automatic Auto on Off Photocell Street Light Switch AC 220V unbrand
$12.95
Tuya WIFI Smart Energy Meter Bidirectional with Transformer Clamp App Monitor Power 80A Support Alarm 2 Channels - 2CT unbrand
$29.95
3 Pack Photocell for Outdoor Light,Auto on Off Photo Sensor Switch with Twist Lock,Dusk to Dawn Photoelectric Light unbrand
$30.95
DC 12V Adjustable Timer Delay Turn OFF Module Timing Relay Time Switch 1-10sec Delay Off Switch Module unbrand
$8.95
4-Way USB Isolator 1500V Isolator ADUM3160 Module Coupling Protection Board USB to USB Isolation Com
$21.95 Save $6.00 RRP: $27.95
16mm Push Button with Light Waterproof Latching Emergency Switch
$10.95 Save $7.00 RRP: $17.95
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
$46.95 Save $17.05 RRP: $64.00
Water Liquid Level Controller Sensor Module Water Level Detection Sensor Pumping Drainage Protection Circuit Board
$12.95 Save $5.00 RRP: $17.95
LCUS-2 Type Two-Way USB Relay Module Intelligent Control USB Switch
$10.95 Save $2.00 RRP: $12.95
Modbus RTU 4 Way Relay Module 7-24V Relay Module Switch RS485/TTL Input and Output with Anti Revers
$14.95
20A 660V 4-Position 2 Pole Cam Rotary Selector Switch for Electric Motor Control Changeover Reversing
$14.95 Save $20.00 RRP: $34.95
Adjustable Cycle Delay On/Off Relay Module (DC5V, 0-30min)
$14.95 Save $5.00 RRP: $19.95
RTD PT100 Temperature mitter Module Thermal Resistance -50-100°C DC24V Output 4-20MA
$7.95 Save $9.00 RRP: $16.95
DC 12V 24V 16 Input 16 Output RS485 Remote Control Switch PLC IO Expansion Board Modbus RTU Module
$20.95 Save $20.00 RRP: $40.95
Professional Rotary Switch with Excellent Insulation Properties, 220V 20A
$30.95 Save $20.00 RRP: $50.95
550V Rotary Cam Switch, Multi Position Off Switch for Motor Control, Electrical Transfer Switch
$21.95 Save $7.00 RRP: $28.95
ON/OFF Round Rocker Toggle LED Switch 3 Pin 12V 20A Car Dashboard Dash Boat Truck Push Button Switchs unbrand
$20.95 Save $73.05 RRP: $94.00