This 4-channel relay module adopts premium quality 30A relay, the maximum load of the open interface: AC250V/30A, DC30V/30A. Using patch optocoupler isolation, b driving ability, and stable performance;  ​The trigger current is 5mA. The working voltages of the module are 5V, 12V, and 24V for selection, you can choose according to your needs. The module can be triggered by setting a high level or low level through a jumper. Wide applications, suitable for PLC automation equipment control, industrial system control, Internet of things control, home intelligence control, electronic hobbyist development experiments, various circuit modifications, etc.​

Specifications:
Name: Relay Module
Material: plastics
Voltage: 5.0V, 12.0V, 24.0V (optional)
Static current: 5mA
Limit working current: 190mA/80mA/50mA
Triggered: Low level trigger; High level trigger; Trigger voltage ranges
Refer to the following
Load voltage: DC30V or AC250V
Load current: 30A
Relay lifespan: More than 100,000 times
Positioning hole size: 126.5 * 69.5mm / 4.98 * 2.74in
Item size: 130 * 72 * 22mm / 5.12 * 2.83 * 0.87in
Item weight: 165g / 5.82ounce
Package size: 180 * 140 * 30mm / 7.09 * 5.51 * 1.18in
Package weight: 170g / 6.00ounce

Packing List:
1 * Relay Module