Name: 4 Channel 5V OMRON Solid State Relay Module
Brand: Alphatronic
SKU: G06
Availability: OutOfStock

The 4 Channel 5V OMRON Solid State Relay Module lets your microcontroller switch four separate AC loads silently and reliably, with no clicking contacts and no moving parts to wear out. Built around four Omron G3MB-202P solid state relays, each channel switches up to 2A at 100V to 240V AC, which suits lamps, heaters, small fans, and other low-power AC devices.

Because the switching is done by a phototriac instead of a mechanical contact, each channel offers silent operation, optical isolation between the control side and the AC side, and a much longer service life than a traditional mechanical relay. Each channel has its own LED indicator and output fuse, and the board runs from a 5V DC supply, so it connects easily to Arduino and other microcontroller boards. The module is assembled and electrically tested, so it is ready to use out of the box.

Note that this is an AC-only relay board and should not be used to switch DC loads. It is a great fit for home automation, multi-zone lighting control, timers, and DIY projects where silent switching matters. Whether you are a beginner building your first automation project or a maker looking for a durable alternative to a mechanical relay board, this compact module is an easy way to control four AC devices reliably.