12V, 1 channel relay module with trigger and test button
24V, 1 channel relay module opto-coupler High and low level trigger
24V, 1 channel relay module with NO / NC contact output.
12V, 1 channel relay module with NO contact output.
NE555 12V Delay Relay Shield Timer Switch Module 0 to 10 Seconds.
LED Digital Delay Time Module Switch Control Relay Cycle Timer DC 12V G95W.
Seven days / 24 hour timer switch. Powered by 12VDC supply. This timer can be used with access control systems to control its function during certain times of the day. Relay output can be used to switch an output.
Regulates 12-24V AC or DC to 12V DC. Inbuilt 12V relay.