The name Edison thread for the socket of lamps traces back to Thomas Alva Edison.

The DIN 40400 electrical thread, also known as Edison thread, is a commonly used thread in the electronics sector. It originates from a design by the well-known American inventor and businessman Thomas Alva Edison (1847 – 1931), who patented it in 1881.

Threads are generally produced according to one of the many standards of thread systems.

Er entwickelte dieses Gewinde, um aus Messingblech günstig Innen- und Außengewinde für die Bauteile der elektrischen Hausinstallation herzustellen. Z.B. für Glühlampen oder Schraubsicherung. Noch heute werden das Gewinde in den ursprünglichen Anwendungsbereichen genutzt.

Often threads that are according to DIN Standard have the major DIN number put in front of the thread abbreviation. Talking of screws the major diameter for screws is determined by the thread tips. The minor diameter by the groove of the thread.

Maf3e in mm 1 Anwendungsbereich Diese Norm enthält die Grenzmaße für Elektrogewinde von D-Sicherungen. Anmerkung: Elektrogewinde mit dem Kurzzeichen E 14 und E 27 Sind auch bei Lampensockeln und -fassungen üblich.

DIN 40400 - 1981-12 Edison thread for D-type fuses; limit dimensions. Inform now!

Mar 14, 2025 · Standard DIN 40400:1981-12 1.12.1981 - Edison thread for D-type fuses; limit dimensions.

They define the requirements for products, processes, and services, ensuring safety, quality, and consistency across industries such as manufacturing, engineering, and construction. These standards are widely recognized and used both in Germany and internationally.

DIN 40400 Edison thread for D-type fuses; limit dimensions. standard by Deutsches Institut Fur Normung E.V. (German National Standard) , 12/01/1981. View all product details