[Easy to Use] This 2 channel serial port relay module features simple operation with most serial commands being single byte commands making it incredibly user friendly. the intuitive design allows for quick setup and integration with various systems requiring minimal technical knowledge to operate effectively.
[Versatile Connectivity] Onboard 2 relays plus two expansion io ports provide flexible connection options for various applications. the low level output and db9 rs232 interface allow for seamless integration with computers and other equipment through serial port debugging software.
[Industrial Grade Quality] Manufactured to meet strict industry standards this relay switch board undergoes rigorous factory quality control. the durable plastic construction and engineering guarantee long lasting performance in commercial and industrial applications.
[High Power Handling] Designed for professional use this relay module supports control voltages from dc 1 48v or ac 85 265v with a robust 10a current capacity. the wide working voltage range of dc 8.5 13.5v ensures compatibility with various power sources.
[] Equipped with a capacitor filter circuit this relay module delivers improved stability and reliable operation even in demanding industrial environments. the enhanced electrical design ensures consistent performance with reduced interference for uninterrupted functionality.

Spec:

Condition: 100% Brand New
Item Type: Relay Switch Board
Material: Plastic
Color: As picture shown
Two-Channel Serial Relay:
Channel: Two-channel relay, plus two expansion IO ports, low-level output
Interface: DB9 female/male RS232 level, can control the relay on, off, self-locking, inching through the super terminal (serial port debugging software) on the computer.
Working Voltage: DC 12V power supply (range: 8.5-13.5V)
Control Voltage: DC 9V 12V or DC 1-48V or AC 85-265V
Control Current: 10A

Package