Product parameters
Working voltage: 5V
Quiescent current: 5mA
MAX current: 190mA
Trigger voltage: Low: 0; High: 5V
Trigger current: 2-4mA
MAX load: AC250V/10A, DC30V/10A
Module size: 50mm * 26mm* 18.5 mm/1.97inch * 1.02inch * 0.73inch (L * W * H)
Equipped with 4 fixing bolt holes, with an aperture of 3.1mm/0.12inch and a spacing of 44.5mm * 20.5mm/1.75inch * 0.81inch
Power indicator (green), 4-way relay status indicator (red)

Module interface:
DC+: connects to the positive terminal of the power supply DC-: connects to the negative terminal of the power supply IN: Can be high or low level control relay pull-in Relay output: NO: Normally open interface of the relay. The relay is suspended before closing and shorted with COM after pull-in COM: Common interface of relay NC: Normally closed interface of a relay, short connected with COM before relay closing, suspended after pull-in