What are the advantages of DIN rails? EASY TO OPERATE The simple style allows the installer to easily and quickly install various electrical components only by sliding or spping them into the rail. WIDE APPLICATION It can be matched with all automatic control equipment applicable to DIN specifications, and is suitable for standard components in countries such as Europe, America and Chi.Such as relays, circuit breakers, termil blocks, motor controllers, power supplies, contactors, etc. Suitable for C45/DZ47. SPACE SAVING Allow for tight configurations of components and provide a convenient site for bringing exterl and interl wiring circuits together is very suitable for use in limited space applications. SPECIFICATION Length: 13 inches Width: 35mm Height: 7.5mm Certificate: RoHS PACKAGE CONTENT 2 X 13 inches Slotted Aluminum DIN Rails 10 X Metal Screws