1、The module uses high quality 30A relay, normally open interface maximum load: AC 250V/30A, DC 30V/30A. 2、Adopting paster OptoCoupler isolation, strong driving capability, stable performance; trigger current 5mA. 3、Module operating voltage is available in 5V, 12V, 24V. 4、The module can be triggered by a jumper to set a high or low level. 5、User-friendly interface design, all interfaces can be directly connected through the terminal block, which is very convenient. Feature: The module uses high quality 30A relay, normally open interface maximum load: AC 250V/30A, DC 30V/30A. Adopting paster OptoCoupler isolation, strong driving capability, stable performance; trigger current 5mA. Module operating voltage is available in 5V, 12V, 24V. The module can be triggered by a jumper to set a high or low level. User-friendly interface design, all interfaces can be directly connected through the terminal block, which is very convenient. 4 fixing bolt holes, hole 3.1mm, spacing 44.5mm* 27.5mm. Specifications: Material: ABS Voltage: 5V, 12V, 24V(optional) DC+: Module DC power supply positive (trigger terminal voltage positive) DC-: Module DC power supply negative (trigger terminal voltage negative) IN: Signal trigger end (default trigger voltage is the same as power supply) High/low level trigger mode selection, as shown in the figure, when the jumper is connected to the L terminal, the IN terminal is a low level trigger, and when the H terminal is connected, it is a high level trigger. NC: Relay normally closed COM: Relay common NO: Relay normally open Package list: 1 x Relay Module