Isolated 16-way Relay Control Module Expanding Module High/Low-level Signal Release 5V 12V 24V

Features:
1.With reverse connection function for the power supply, to avoid damage to the module. The module uses a genuine high-quality relay, nominal load of the normally open interface.
2.Strong suppression: use a small insulated two-way optocoupler with strong interference and stable performance; the release current is only 5 mA. Power indicator (red), relay status indicator (blue).
3.Users can select the control level of the relay, which can be high level indent or low level indent.
4.With adequate layout and stable performance, it can be used in a variety of power regulations.
5.All interfaces can be connected directly via the wiring terminals, very convenient. Designed with 4 3mm fixed screw holes for easy installation.

Package List:
1 x Relay Control Module