Tinycontrol Expansion Module 4x Relay 250VAC/16A for LAN Controller LK3 and LK4

The high-performance relay board offers four Relpol relays with a 12 V coil equipped with optical isolation at the input, ensuring safe operation and separation of control signals from the power part. The special contact design, which removes metal oxides with every switching, extends the device's lifespan and ensures long-term trouble-free operation. The module is ready for collaboration with GSM and LAN controllers, allowing for its universal use in smart home or office systems.

Examples of Use

• Lighting controller
• Driver for actuators
• Switch for electrical devices, including motors

Maximum Flexibility and Safety

The relay board allows independent control of each of the four contacts and offers normally open (NO), normally closed (NC), and common (COM) outputs, thus supporting various types of connections. With impact resistance and a wide operating temperature range from -30 °C to +70 °C, it is ideal for deployment in various environments. The package includes a practical IDC cable for easy and quick connection, significantly simplifying installation.

Powerful Operation with High Load

The board supports maximum load of 16 A at 250 V AC or 24 V DC and safe power supply voltage of 9–30 V DC. Low contact resistance (

Key Features

• 4× Relpol relays with a 12 V coil and opto-isolation
• Independent control of NO, NC, COM contacts
• Operating temperature -30 °C to +70 °C
• Maximum load 16 A / 250 V AC or 16 A / 24 V DC
• IDC cable included in the package