1pc xh m138 30a relay control board with 5v 1v 24v switching 30a output copper contacts solder panel mount for industrial electrical applications relay control board sleek metallic durable construction

1pc Xh-M138 30A High Current Relay Control Board with 5V/1V/24V Switching, 30A Output, Copper Contacts, Solder Termination, Panel Mount for Industrial Electrical Applications, Relay Control Board, Sleek Metallic Finish, Durable ConstructionOpen in new tab.

£2.71
-22%
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smart smart control relay module with rf433mhz micro usb 5v dual voltage ac 7 32v intelligent 4 way for switch with three diy smart home and garage door motor control lock control motor pump curtain control 2200w

Tuya Smart/Smart Life APP WiFi Remote Control Relay Module with RF433mhz, Micro USB 5V, Dual Voltage AC/DC 7-32V, Intelligent 4-Way for Switch with Three Modes - DIY Smart Home and Garage Door Motor Control, Lock Control, Motor & Pump & Curtain Control, 2200WOpen in new tab.

£12.16
-67%
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40a 63a 230v din rail adjustable over voltage and under voltage protective device protector relay over current protection limit

EARU 40A/63A Voltage and Current Regulator Relay - Heavy-Duty DIN Rail Over/Under Voltage Protector with Adjustable settings (80-240V), Overcurrent Protection, Wide Voltage Range for Panel (Compatible with 240VOpen in new tab.

£4.18
-89%
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my4nj coil power relay 14pin dpdt small relay electromagnetic relay 12v 24v ac220v with socket base circuit switching small form contact relay electronics hobbyists

MY4NJ Coil Power Relay 14Pin DPDT Small Intermediate Relay Electromagnetic Relay DC12V DC24V AC220V with Socket Base, Circuit Switching, Small Form Factor, Compact Design, Contact Relay, Electronics HobbyistsOpen in new tab.

£4.19
-88%
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universal car relay 12v30a high low beam air conditioner fuse pump relay

Universal Car Relay 12V30A High/Low Beam Air Conditioner Fuse Box Oil Pump RelayOpen in new tab.

£1.49
-87%
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40a 63a adjustable voltage overcurrent protection relay din rail mounted 230v high definition overvoltage protection undervoltage durable structure

VANEAIMS 40A/63A Adjustable Over/Under Voltage & Overcurrent Protection Relay - DIN Rail Mounted, 230V, High-Definition Digital Display, Overvoltage Protection, Undervoltage, Durable StructureOpen in new tab.

£8.61
-77%
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2pcs 40a car relay 5 pin 4 pin12v automotive switches and starters model no jd2912 1h 12vdc 40a universal multi purpose heavy duty standard relay for car motorcycle boat

2pcs 40A Car Relay, 5 Pin/ 4 Pin12V Automotive Switches and Starters, Spst Model No.: JD2912-1H-12VDC 40A Universal Multi Purpose Heavy Duty Standard Relay for Car Motorcycle BoatOpen in new tab.

£3.54
-86%
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1pc 2p 3p 4p 125 transfer switch ats source selector for pv 230v mini ats with protection for home commercial generator transfer relay contacts solar energy

1pc 2P/3P/4P 125A Automatic Transfer Switch (ATS) - Dual Power Source Selector for Grid/Generator/PV, 230V Mini ATS with Overload Protection & Compact Design for Home, Commercial & Solar Systems, Generator Transfer Relay, Highquality Contacts, Solar Energy UsersOpen in new tab.

£25.28
-14%
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5pcs 5pcs heavy duty 1 channel relay module board with low trigger industrial 5v compatible compact pcb board for home industrial easy wiring terminal connections labeled terminals durable construction engineers

5pcs (5pcs) Heavy-Duty 1-Channel Relay Module Board - with Low/High Level Trigger, Industrial Automation, DC5V Compatible, Compact PCB Board for Arduino, Raspberry Pi, Home/Industrial Control Systems - Easy Wiring Terminal Connections, Home Automation, Labeled Terminals, Durable Construction, Automation EngineersOpen in new tab.

£4.98
-88%
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12v 200a automotive relay 4 pin starter relay for dual battery isolation car truck motor heavy duty vehicle starting relay without battery universal fit for car series

12V 200A Automotive Relay - High Current 4 Pin Starter Relay for Dual Battery Isolation, Car Truck Motor Heavy Duty Vehicle Starting Relay without Battery - Universal Fit for Various Car SeriesOpen in new tab.

£5.03
-88%
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1pc hh62p ly2nj 10a 8pins miniature coil ectromagnetic relay switch 12v 24v ac 110v 220v

1pc HH62P(LY2NJ) 10A 8Pins Miniature Coil GeneraL ectromagnetic Intermediate Relay Switch DC 12V 24V AC 110V 220VOpen in new tab.

£2.03
-22%
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2 way mini wifi smart switch module 16a heavy duty relay voice control remote control timer compatible with alexa google home relay

2-Way Tuya Mini WiFi Smart Switch Module - 16A Heavy-Duty Relay, Voice Control, Remote Control, Timer, Easy Installation, Compatible with Alexa, Google Home, IFTTT, Highquality RelayOpen in new tab.

£2.67
-84%
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zigbee smart switch module with micro usb 5v 4 channel relay 2200w 10a circuit control wall mount remote control wifi rf 433mhz 36v operating voltage no battery required

Tuya Zigbee Smart Switch Module with Micro USB 5V, 4-Channel Relay, 2200W/10A Circuit Control, Wall-Mount Remote Control, WiFi & RF 433MHz, ≤36V Operating Voltage, No Battery RequiredOpen in new tab.

£10.45
-81%
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5m advanced voltage sensitive split charge relay kit w fuse box 12v 140a for rv vsr van

5m Advanced Voltage Sensitive Split Charge Relay Kit W/ Fuse Box 12V 140A for RV, VSR Camper VanOpen in new tab.

£26.38
-55%
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4pcs heavy duty 12v 30a car relays multi purpose replacement connect durable nylon shell 5 pin relay

4pcs Heavy Duty 12V 30A Car Relays - SPST & SPDT, Multi-Purpose Replacement with Quick Connect, Durable Nylon Shell, 5-pin, RelayOpen in new tab.

£4.60
-51%
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5v 12v relay module with optical isolation dual level trigger high power output fault design for industrial use

5V/12V Relay Module with Optical Isolation - Dual Level Trigger, High-Power Output, Fault-Tolerant Design for Industrial UseOpen in new tab.

£1.08
-87%
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high power 12v start relay 200a main power for switch for cars rvs off road vehicles by

Durable Design, High-Power 12V DC Start Relay, 200A - Main Power for Switch for Cars, RVs & Off-Road Vehicles by NCOUUOCNOpen in new tab.

£4.28
-89%
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5pcs heavy duty automotive relays 5 pin single pole double throw 20a 5v 12v 24v copper contacts for industrial automotive machinery compatible with sra 05vdc cl sra 12vdc cl sra 24vdc cl no battery needed industrial electrical reliable performance electrical switch industrial technicians

5pcs Heavy-Duty Automotive Relays - 5-Pin SPDT (Single Pole Double Throw), 20A, 5V/12V/24V DC, Copper Contacts, for Industrial, Automotive, Machinery - Compatible with SRA-05VDC-CL/SRA-12VDC-CL/SRA-24VDC-CL - No Battery Needed, Industrial Electrical, Compact Design, Reliable Performance, Electrical Switch, Industrial TechniciansOpen in new tab.

£3.06
-90%
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wireless smart home relay with 4 channels compatible with ac 220v 110v and 85 250v works with app alexa and google home for control

Wireless Smart Home Relay with 4 Channels, Compatible with AC 220V, 110V, And 85-250V, Works with Ewelink App, Alexa, And Google Home for Automation Control.Open in new tab.

£12.17
-73%
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12v 200a switch relay integrated remote control circuit breaker isolation main switch 200a remote switch

12V 200A Universal Battery Switch Relay Integrated Remote Control Circuit Breaker Isolation Main Switch 200A Remote Power Off SwitchOpen in new tab.

£11.84
-76%
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