Actuators
Shop actuators for your next robotics or automation project. Our range includes servo motors, stepper motors, DC gearmotors, solenoids, relay modules, linear actuators, and RF remote control modules suited to hobbyists, STEM classrooms, and professional builds alike.
Whether you're driving a robot arm, controlling a valve, or switching high-voltage loads, you'll find actuators in a wide range of torques, voltages, and form factors. Available for fast shipping across Australia.
4 channel 5V relay module with light coupling 5V
SKU: LB-LR0051 | Brand: Little Bird
A 4-channel relay module with opto-isolated inputs for safe, reliable switching of high-power loads. Each relay is rated for up to 10A at 250VAC or 30VDC, making it suitable for controlling lights, motors, heaters, an...
Delivered by Thu 11 Jun
Relay Shield v1.1
SKU: EC-MCS01584R | Brand: Elecrow
The Relay Shield v1.1 is an Arduino compatible smart module with 4 mechanical relays providing an easy way to control high voltage. The max switching power is 35VDC 70W for each channel. It can be directly controlled ...
Delivered by Thu 11 Jun
4-Channel Industrial Modbus RTU Relay Module – 30A, RS485, LED Indicators, Rail-Mount
SKU: WS-30461 | Brand: Waveshare
The Waveshare Modbus RTU 4-Channel Relay Module provides reliable high-current switching for industrial automation over an RS485 bus. Each of the four SPDT relays handles loads up to 30A at 250VAC or 28VDC, making it ...
Delivered by Thu 11 Jun
Relay Bit - 4 Channel 3V Relay Board for micro:bit
SKU: SB-RELAY-BIT | Brand: Little Bird
Relay Bit provides a solution for controlling low and medium current/voltage devices and makes your projects intelligent. Relay bit could be a nice solution for controlling devices that could not be directly contr...
Delivered by Thu 11 Jun
Industrial 4-Channel Relay Module
SKU: DF-FIT0827 | Brand: DFRobot
The module adopts the standard Modbus RTU protocol, the communication interface supports RS485 or RS232 and supports communication baud rates of 2400, 4800, 9600, 19200, 38400 (default 9600). Each relay output is inde...
Delivered by Thu 11 Jun
Compare your options
All buying guides
The Teacher's Guide to micro:bit Robots: Kits, Buggies, and Robotics Compared
Compare micro:bit-compatible robot kits, buggies, and robotics platforms by age range, assembly difficulty, sensors, and curriculum fit — for classrooms, clubs, and home learners across Australia.
49 products compared
The Maker's Guide to Servos: Torque, Speed, and Control Compared
Compare hobby and industrial servos by torque, rotation range, and control type (PWM, digital, continuous) to pick the right motor for robotics, animatronics, and RC projects.
16 products compared