Features: 1, using double FR-4PCB board 2, the use of high-power relay, control the load up to 10A 3, each way with optocoupler isolation, anti-interference ability 4, blue KF301 terminal 5, each with a relay switch on the LED indicator 6, the module in line with international safety standards, control area and the load area has a separate slot Specifications: Supply voltage: 5V/12V/24V,Please note that please choose correctly Supply voltage: 5V Quiescent current: 5mA Maximum operating current: 560mA Trigger mode: low level trigger, high level trigger Load voltage: 30V DC or 250V AC Load the most flow: 10A Relay life: more than 100,000 times Maximum switching frequency: less than or equal to 5KHz Supply voltage: 12V Quiescent current: 5mA Maximum operating current: 480mA Trigger mode: low level trigger, high level trigger Load voltage: 30V DC or 250V AC Load the most flow: 10A Relay life: more than 100,000 times Maximum switching frequency: less than or equal to 5KHz Supply voltage: 24V Quiescent current: 5mA Maximum operating current: 400mA Trigger mode: low level trigger, high level trigger Load voltage: 30V DC or 250V AC Load the most flow: 10A Relay life: more than 100,000 times Maximum switching frequency: less than or equal to 5KHz Trigger voltage range 5V low-level trigger module: 0-2VDC relay ON (ON), 3-5VDC relay disconnect (OFF) 12V low level trigger module: 0-5VDC relay ON (ON), 6-12VDC relay disconnect (OFF) 24V low-level trigger module: 0-12VDC relay ON (ON), 13-24VDC relay disconnect (OFF) 5V high-level trigger module: 3.3-5VDC relay ON (ON), 0-2.5VDC relay disconnect (OFF) 12V high-level trigger module: 6-12VDC relay ON (ON), 0-5.5VDC relay disconnect (OFF) 24V high level trigger module: 12-24VDC relay ON (ON), 0-8.5VDC relay disconnect (OFF) Applications: PLC automation equipment control, industrial system control, Internet of things control, home intelligent control, electronic enthusiasts development experiments, a variety of circuit modification. Size:14.2x5cm/5.59x1.97inch Note: Please allow 1-3mm error due to manual measurement. pls make sure you do not mind before you bid Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1x Relay Module