FRM01 multifunction relay control module is designed for users with different needs, it has 18 functions. Using PCB materials, the layout is comprehensive and stable, and it can be widely used in various power control applications. Specification: Module Interface : Module control terminal: There are 3wire interfaces, all interfaces are terminal, userfriendly. 1. DC +: DC power positive (with 5V, 12V and 24V modules to choose from) 2. DC : DC power supply negative 3. CH1: input detection interface, high effective Relay outputs: There are 3wire interfaces, all interfaces are terminals. 1. NO: normally open relay interface and relay before the vacant after the pull short and COM1 2. COM: Common Interface Relays 3. NC: normally closed relay interface and relay COM1 shorted before and after the pullvacant Load capacity: normally open port maximum load capacity: DC 030V / 10A, AC 0250V / 10A NC port maximum load capacity: DC 028V / 10A, AC 0125V / 10A Size: Approx. 6.8*4*2cm /2.7*1.6*0.8inch Weight: 24g/0.85oz Material: PCB Package List: 1*FRM01 Relay Module