Relays

A relay is used wherever a small low power device or power supply needs to switch on a much larger one, usually completely isolated from the signals power source, or at a much higher voltage than the signal could provide.


 Raspberry Pi 8-ch Relay Expansion Board

Raspberry Pi 8-ch Relay Expansion Board

Raspberry Pi 8-ch Relay Expansion Board The RPi Relay Board (B) is an expansion board with 8-ch relays for Raspberry Pi. It gives your Pi the ability to control high voltage products such as home a..

Centurion
Stellenbosch

R299.00 (Inc Tax: R343.85)

1 Channel Latching Relay - 12V

1 Channel Latching Relay - 12V

1 Channel Latching Relay - 12V A latching relay is different to a normal relay - it only needs a low pulse to change between open and closed - you don't need a continuous current to keep it open. ..

Centurion
Stellenbosch

R48.00 (Inc Tax: R55.20)

100A SSR 3-32VDC IN 24-480VAC OUT

100A SSR 3-32VDC IN 24-480VAC OUT

100A SSR 3-32VDC IN 24-480VAC OUT This single phase solid state relay features a Dielectric strength of up to 2500V, photo isolation, zero cross polarization or random turn-on. These models come with..

Centurion
Stellenbosch

R198.00 (Inc Tax: R227.70)

12V Relay Bluetooth Switch

12V Relay Bluetooth Switch

12V Relay Bluetooth Switch This is a 12V relay that you can switch using the built-in JDY-30 bluetooth slave module. By using a bluetooth terminal app on your phone, you can wireless open or close ..

Centurion
Stellenbosch

R128.00 (Inc Tax: R147.20)

4 Channel Relay Module - Opto-Isolated

4 Channel Relay Module - Opto-Isolated

Relay 4 Channel - Opto-Isolated This is a 5V 4-Channel Relay module, and each input is opto-isolated. It can be controlled directly by a wide range of microcontrollers such as Arduino. Quick Spe..

Centurion
Stellenbosch

R56.00 (Inc Tax: R64.40)

8 Channel Relay Control Module - RS485 & RS232

8 Channel Relay Control Module - RS485 & RS232

8 Channel Relay Control Module - RS485 & RS232 This is an 8 Channel Relay Control Module which gives you the ability to use either RS485 or RS232 to interface with, allowing 2 command control o..

Centurion
Stellenbosch

R118.00 (Inc Tax: R135.70)

Aluminium Heatsink for SSR - High Capacity 100-200A

Aluminium Heatsink for SSR - High Capacity 100-200A

Aluminium Heatsink for Solid State Relay - High Capacity This heatsink is intended for use weith Solid State Relays. Made from durable aluminium, it helps to protect the longevity of your relay thr..

Centurion
Stellenbosch

R145.00 (Inc Tax: R166.75)

Car Relay 200A 12-14VDC

Car Relay 200A 12-14VDC

Car Relay 200A 12-14VDC This is a Battery isolator (or split charge relay) which allows an auxiliary battery to be charged by the vehicle's system, yet not participate in engine starting. It also p..

Centurion
Stellenbosch

R184.00 (Inc Tax: R211.60)

Car Relay 40A 12-14VDC

Car Relay 40A 12-14VDC

Car Relay 40A 12-14VDC This 40A Car Relay is a 5 pin changeover relay. Instead of making and breaking a single high voltage circuit, it alternates the closing and opening of two circuits - 'changin..

Centurion
Stellenbosch

R18.00 (Inc Tax: R20.70)

Crowtail Solid-State Relay

Crowtail Solid-State Relay

Crowtail Solid-State Relay Crowtail- Solid-State Relay is a non-contact electronic switch module that has relay features.It has a maximum output of 240VAC/2A, with a switching speed less than 10ms...

Centurion
Stellenbosch

R60.00 (Inc Tax: R69.00)

Crowtail-Relay

Crowtail-Relay

Crowtail-Relay The Relay is the most common used module in actual applications such as home automation, and sometimes you need to control large current such as the air conditioning/water heater. That..

Centurion
Stellenbosch

R38.00 (Inc Tax: R43.70)

Din Rail 16 Channel Relay 24V

Din Rail 16 Channel Relay 24V

T73 Series 16 Channel 24V Relay - DIN Rail This 24V 16 Channel Relay module is designed for current amplification and isolation protection of output loads. Applicable to PLC, microprocessor systems..

Centurion
Stellenbosch

R589.00 (Inc Tax: R677.35)

Din Rail 2 Relay 12V Coil

Din Rail 2 Relay 12V Coil

Din Rail 2 Relay 12V Coil This 12V Dual Relay module is designed for current amplification and isolation protection of output loads. Applicable to PLC, microprocessor systems and time relays etc, amp..

Centurion
Stellenbosch

R128.00 (Inc Tax: R147.20)

Din Rail 4 Relay 12V Coil

Din Rail 4 Relay 12V Coil

Din Rail 4 Relay 12V Coil This 12V 4 Relay module is designed for current amplification and isolation protection of output loads. Applicable to PLC, microprocessor systems and time relays etc, amplif..

Centurion
Stellenbosch

R168.00 (Inc Tax: R193.20)

Din Rail 8 Relay 24V Coil

Din Rail 8 Relay 24V Coil

Din Rail 8 Relay 24V Coil This 24V 8 Channel Relay module is designed for current amplification and isolation protection of output loads. Applicable to PLC, microprocessor systems and time relays e..

Centurion
Stellenbosch

R375.00 (Inc Tax: R431.25)

Dual Relay - Din Rail - 24V Coil

Dual Relay - Din Rail - 24V Coil

Dual Relay - Din Rail - 24V Coil Relay Modules are designed for current amplification and isolation protection of output loads. Applicable to PLC, microprocessor and time relays etc, amplifying the..

Centurion
Stellenbosch

R120.00 (Inc Tax: R138.00)

Easy Mini PLC IO Controller

Easy Mini PLC IO Controller

Easy Mini PLC IO Controller The Easy 412-DC-R Mini PLC IO Controller is an electronic control relay with built-in logic, timer, counter and time switch functions. This is a control and input device r..

Centurion
Stellenbosch

R1,350.00 (Inc Tax: R1,552.50)

ESP01 + Relay Module

ESP01 + Relay Module

ESP01 + Relay Module This ESP-01 Relay Module based on AI-Thinker ESP-01/01S WIFI module. It is designed for smart home, internet of thing and others DIY project. With this smart relay, you will easy..

Centurion
Stellenbosch

R126.00 (Inc Tax: R144.90)

ESP8266 Network Relay WIFI Module

ESP8266 Network Relay WIFI Module

ESP8266 Network Relay WIFI Module This is a ESP8266 Network Relay WIFI Module, which is based on the ESP8266 module and a 10A relay. It can connect to a server through TCP Client and can also be co..

Centurion
Stellenbosch

R179.00 (Inc Tax: R205.85)

Ethernet Relay 8 Channel

Ethernet Relay 8 Channel

Ethernet Relay 8 Channel With Ethernet relay, IoT(Internet of things) has become so easy. RLY-8-POE-USB is a POE & USB controlled 8 channel relay controller based on STM32. With this module users..

Centurion
Stellenbosch

R925.00 (Inc Tax: R1,063.75)

Ethernet Relay Board

Ethernet Relay Board

Ethernet Relay Board This is an Ethernet Controller board based on Imatic system which could be compatible with the 16 Channels relay. Using the Controller module and the 16 Channels relay, you cou..

Centurion
Stellenbosch

R165.00 (Inc Tax: R189.75)

Gravity: Digital 10A Relay Module

Gravity: Digital 10A Relay Module

Gravity: Digital 10A Relay Module Introducing the Gravity Digital Relay Module – the latest addition to DFRobot’s Gravity series! This module is a little different to the other relays in our store..

Centurion
Stellenbosch

R98.00 (Inc Tax: R112.70)

Harness for 40A Relay - 2912-1Z Type

Harness for 40A Relay - 2912-1Z Type

Harness for 40A Relay - 2912-1Z Type The Relay Harness for the 2912-1Z relay is a great and easy way of adding the 2912-1Z relays to your projects - whether it be automotive or not! ..

Centurion
Stellenbosch

R22.00 (Inc Tax: R25.30)

KeyeStudio Relay Module 5V Single Channel

KeyeStudio Relay Module 5V Single Channel

KeyeStudio Relay Module 5V Single Channel This single relay module can be used in interactive projects. It is active HIGH level. This module uses SONGLE 5V high-quality relay. The relay can also be..

Centurion
Stellenbosch

R32.00 (Inc Tax: R36.80)

Keys USB Relay 10A 250V

Keys USB Relay 10A 250V

Keys USB Relay 10A 250V This USB Relay module from Keys uses HID technology which requires no additional drivers and therefore makes it a plug and play device for all of your projects. The module sup..

Centurion
Stellenbosch

R85.00 (Inc Tax: R97.75)

Light Controlled Relay 12V Module

Light Controlled Relay 12V Module

Light Controlled Relay 12V Module This module can be used for light detection, brightness detection by utlizing the photoresistor to trigger the 12V relay. The sensitivity of the photoresistor can ..

Centurion
Stellenbosch

R58.00 (Inc Tax: R66.70)

Mini D1 Relay Shield

Mini D1 Relay Shield

Mini D1 Relay Shield You can use this module if you want to control the AC power (lights, home equipments), for WIFI D1 mini board. This is a very common Contact Relay for control VAC 110/220V (10A) ..

Centurion
Stellenbosch

R60.00 (Inc Tax: R69.00)

Modbus RTU 1 Channel Relay

Modbus RTU 1 Channel Relay

Modbus RTU 1 Channel Relay This is a one channel Modbus RTU relay module equipped with stable 8-bit MCU and RS485 level communication chip, adopting standard MODBUS RTU format RS485 communication p..

Centurion
Stellenbosch

R115.00 (Inc Tax: R132.25)

NKDH12048ZA2 Solid State Relay 480V 120A AC-AC

NKDH12048ZA2 Solid State Relay 480V 120A AC-AC

NKDH12048ZA2 Solid State Relay 480V 120A AC-AC This single phase solid state relay features a Dielectric strength of up to 4000V, photo isolation, zero cross polarization. It comes packaged with a ..

Centurion
Stellenbosch

R239.00 (Inc Tax: R274.85)

NKDH12048ZD3 Solid State Relay 480V 120A DC-AC

NKDH12048ZD3 Solid State Relay 480V 120A DC-AC

NKDH12048ZD3 Solid State Relay 480V 120A AC This single phase solid state relay features a Dielectric strength of up to 4000V, photo isolation, zero cross polarization or random turn-on. It comes p..

Centurion
Stellenbosch

R239.00 (Inc Tax: R274.85)

NKDH24023DD3 Solid State Relay 220V 240A DC-DC

NKDH24023DD3 Solid State Relay 220V 240A DC-DC

NKDH24023DD3 Solid State Relay 220V 240A DC-DC This single phase solid state relay features a Dielectric strength of up to 4000V, photo isolation, zero cross polarization or random turn-on. It come..

Centurion
Stellenbosch

R645.00 (Inc Tax: R741.75)

Particle Relay Shield for Photon

Particle Relay Shield for Photon

Particle Relay Shield for Photon The Relay Shield allows you to take over the world, one electric appliance at a time. Want to control a lamp, fan, coffee machine, aquarium pumps or garden sprinkle..

Centurion
Stellenbosch

R745.00 (Inc Tax: R856.75)

Pololu RC Switch + Relay

Pololu RC Switch + Relay

Pololu RC Switch + Relay This Pololu RC Switch consists of a single-pole, double-throw (SPDT) power relay and a control circuit that measures incoming radio control (RC) signals, making it easy to co..

Centurion
Stellenbosch

R132.00 (Inc Tax: R151.80)

Power ON Delay with Relay - DIP Settings

Power ON Delay with Relay - DIP Settings

Power ON Delay with Relay - DIP Settings This module is a delay module with a relay. The output will keep ON when the module keeps receiving a trigger signal. The output will stay ON for the set de..

Centurion
Stellenbosch

R48.00 (Inc Tax: R55.20)

Qwiic 4 Way Relay Board

Qwiic 4 Way Relay Board

Qwiic 4 Way Relay Board The Qwiic Quad Relay is a product designed for switching not one but four high powered devices from your Arduino or other low powered microcontroller using I2C. It’s four rela..

Centurion
Stellenbosch

R538.00 (Inc Tax: R618.70)

Relay 12V (2 Pack)

Relay 12V (2 Pack)

Relay 12V (2 Pack) These are high quality Single Pole - Double Throw (SPDT) relays. Use them to switch high voltage, and/or high current devices. This relay’s coil is rated up to 5V, with a minimum..

Centurion
Stellenbosch

R32.00 (Inc Tax: R36.80)

Relay 12V 10A (4 Pack)

Relay 12V 10A (4 Pack)

Relay 12V 10A (4 Pack) These are high quality Single Pole - Double Throw (SPDT) sealed relays. Use them to switch high voltage, and/or high current devices. This relay's coil is rated up to 12V. Th..

Centurion
Stellenbosch

R26.00 (Inc Tax: R29.90)

Relay 16 Way Module - 5V Opto Isolated

Relay 16 Way Module - 5V Opto Isolated

Relay 16 Way Module - 5V Opto Isolated The 16 Way relay can trigger high voltage, high current load such as Motor, Lamps , AC load. It can be controlled by microcontrollers such as PIC, Arduino , Ras..

Centurion
Stellenbosch

R350.00 (Inc Tax: R402.50)

Relay 2 Channel - Opto Isolated

Relay 2 Channel - Opto Isolated

Relay 2 Channel - Opto Isolated These are optically isolated relay modules having 5 Volt cube Relays. The relays are driven by a Opto-coupler which provides isolation between your Micro-controller, A..

Centurion
Stellenbosch

R39.00 (Inc Tax: R44.85)

Relay 240VAC @10 AMP

Relay 240VAC @10 AMP

Relay 240VAC @10 AMP This 240V Relay at 10A, plays the role as a protector or a circuit switch. Because the relay has 8 Pins, DPDT, 2 NO, 2 NC, makes it suitable for various applications such as dome..

Centurion
Stellenbosch

R42.00 (Inc Tax: R48.30)

Relay 24V DC @ 10A

Relay 24V DC @ 10A

Relay 24V DC @ 10A This 24V Relay at 10A, plays the role as a protector or a circuit switch. Because the relay has 8 Pins, DPDT, 2 NO, 2 NC, makes it suitable for various applications such as domesti..

Centurion
Stellenbosch

R32.00 (Inc Tax: R36.80)

Relay 500A 12V

Relay 500A 12V

Relay 500A 12V This 500A 12V relay is specially designed for feeding DC power to engine / motor starter. With its sealed structure and high arc erosion resisting contact material, this r..

Centurion
Stellenbosch

R390.00 (Inc Tax: R448.50)

Relay 5V (2 Pack)

Relay 5V (2 Pack)

Relay 5V (2 Pack) These are high quality Single Pole - Double Throw (SPDT) relays. Use them to switch high voltage, and/or high current devices. This relay’s coil is rated up to 5V, with a minimum ..

Centurion
Stellenbosch

R33.00 (Inc Tax: R37.95)

Relay 5V - Load 250V 10A

Relay 5V - Load 250V 10A

Relay 5V - Load 250V 10A The Single Channel Relay Module is a convenient board which can be used to control high voltage, high current load such as motor, solenoid valves, lamps and AC load. It is ..

Centurion
Stellenbosch

R38.00 (Inc Tax: R43.70)

Relay 5V Coil 10A (4 Pack)

Relay 5V Coil 10A (4 Pack)

Relay 5V Coil 10A (4 Pack) These are high quality Single Pole - Double Throw (SPDT) relays. Use them to switch high voltage, and/or high current devices. This relay’s coil is rated up to 5V, with..

Centurion
Stellenbosch

R25.00 (Inc Tax: R28.75)

Relay 8 Way - Opto Isolated

Relay 8 Way - Opto Isolated

Relay 8 Way - Opto Isolated If you want to switch up to 8 high current / high voltage loads from a microcontroller, this 5V relay board can do it. It contains 8 x 5V relays rated at 10A/250V AC (DC ..

Centurion
Stellenbosch

R198.00 (Inc Tax: R227.70)

Relay Board - 16 Channel

Relay Board - 16 Channel

Relay Board - 16 Channel This is a 16 channel Mini-relay module. It can be used to control the lighting, electrical and other equipment. The modular design makes it easy to expand with the Arduino ..

Centurion
Stellenbosch

R399.00 (Inc Tax: R458.85)

Relay Module - Crowtail Connector

Relay Module - Crowtail Connector

Relay Module - Crowtail Connector The SPDT relay module is a high performance single pole double throw relay that can operate by as much as 30A of current. When the relay does not work, COM and NC ha..

Centurion
Stellenbosch

R95.00 (Inc Tax: R109.25)

Relay Module 1 Relay - 5V 30A

Relay Module 1 Relay - 5V 30A

Relay Module 1 Relay - 5V 30A This is 1 channel Relay module, can able to control various appliances, and other equipment with a BIG current for 30A (250VAC/30VDC).It can be controlled directly by mi..

Centurion
Stellenbosch

R79.00 (Inc Tax: R90.85)

Relay Module 2 Relay - 5V 30A

Relay Module 2 Relay - 5V 30A

Relay Module 2 Relay - 5V 30A This is 2 channels Relay module, which is able to control various appliances, and other equipment with a BIG current for 30A (250VAC/30VDC). It can be controlled directl..

Centurion
Stellenbosch

R129.00 (Inc Tax: R148.35)

Relay Module 30A, 5V Trigger

Relay Module 30A, 5V Trigger

Relay Module 30A, Trigger 5V This Relay module adopts a genuine high quality 30A relay. By using a optocoupler isolation chip, the relay has a strong driving ability, stable performance and has a tri..

Centurion
Stellenbosch

R69.00 (Inc Tax: R79.35)

Relay Module 5V DC - Single Channel

Relay Module 5V DC - Single Channel

Relay Module 5V DC - Single Channel Quick Spec Trigger mode: high level 5V relay module Can be used for microcontroller development board module or home appliance control 5V TTL control signa..

Centurion
Stellenbosch

R18.00 (Inc Tax: R20.70)

RS485 Relay Module - 4 Way

RS485 Relay Module - 4 Way

RS485 Relay Module - 4 Way The Arduino Relay module allows a wide range of microcontroller such as Arduino, AVR, PIC, ARM with digital outputs to control larger loads and devices like AC or DC Moto..

Centurion
Stellenbosch

R128.00 (Inc Tax: R147.20)

SeeedStudio 4 Channel Relay - Grove

SeeedStudio 4 Channel Relay - Grove

SeeedStudio 4 Channel Relay - Grove The Single Pole Double Throw SPDT relay is quite useful in certain applications because it has one common terminal and 2 contacts which are great for selecting b..

Centurion
Stellenbosch

R218.00 (Inc Tax: R250.70)

Solid State Relay (SSR) - Load 50A AC, Control 3-32V DC

Solid State Relay (SSR) - Load 50A AC, Control 3-32V DC

Solid State Relay - Load 50A AC, Control 3-32V DC Solid State Relays is a great way to safely control large external AC loads. The input is fully optically isolated from the control circuitry. ..

Centurion
Stellenbosch

R129.00 (Inc Tax: R148.35)

Solid State Relay - 4 Channel

Solid State Relay - 4 Channel

Solid State Relay - 4 Channel Compared with the traditional mechanical relays, the Solid State Relay (SSR) has many advantages such as longer life, a much higher turn on/off speed and little or no no..

Centurion
Stellenbosch

R125.00 (Inc Tax: R143.75)

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