Attributes

Brand	-
Category	Electronic Components / Maker DIY / Development Boards & Control Boards
Origin	-
Channel Count	16 Channels
Communication Interface	RS485 / RS232
Protocol	Modbus RTU
Input Voltage	DC 12V - 24V
Max Load per Relay	10A @ 250VAC
Operating Temperature	-20°C to 70°C
Dimensions	140mm x 90mm x 30mm
Weight	350g
Optical Isolation	Yes
Mounting Type	DIN Rail / Screw Fix

5 reviews

Anonymous

Mar 11, 2026

Rating: 5/5

Perfect for Industrial Automation

Works flawlessly with our PLC setup. Modbus commands are responsive.

Anonymous

Mar 06, 2026

Rating: 5/5

Reliable Relay Board

Been running this for 3 months controlling lights and pumps. No failures yet.

Anonymous

Feb 06, 2026

Rating: 5/5

Solid Modbus Implementation

Easy to map registers. Isolation protects my main controller well.

Anonymous

Feb 06, 2026

Rating: 3/5

Good product, slow shipping

The device works as advertised but took longer than expected to arrive.

Anonymous

Jan 26, 2026

Rating: 4/5

Great hardware, steep learning curve

The module itself is robust. Documentation could be more detailed for beginners.

5 FAQ

Q: Can this be daisy-chained with other modules?

A: Yes, RS485 supports multi-drop networking.

Q: Is it compatible with Arduino?

A: Yes, using a MAX485 module for RS485 communication.

Q: What is the maximum current per channel?

A: Each relay supports up to 10A at 250VAC.

Q: What software do I need to configure it?

A: Any Modbus master tool works, like Modbus Poll.

Q: Does it come with a power supply?

A: No, you need to provide a 12V-24V DC power source separately.

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