The typical applications of Profile PCB Holders include Mounting custom PCB and Standard interface modules for Din Connectors, Sub Miniature Din Connectors, Flat Cable Connectors also Modules like Relay modules, Opto - coupler modules, Switch modules, Fuse modules, Diode modules, Veristor Modules, Power supply modules, Over Voltage protection modules, Data Transmission & Receiver Modules, Analog Digital Converter etc.