Distribution box standard knowledge

- May 03, 2020-

Distribution box standard knowledge

Dirtribution box standard knowledge 1


1. Standard of distribution box:


Boxes and enclosures for electrical accessories for household and similar fixed electrical installations--Part 1: General requirements

(IEC 60670-1:2002 MOD)



Part 24: Particular requirements for enclosures for housing protective devices and similar power consuming devices

(IEC 60670-24:2005, MOD)


2. The main signs of the distribution box:
(a) Trademark  (b) Model  (c) Voltage  (d) IP rating  (e) Power consumption

Dirtribution box standard knowledge 2


3. Heat resistance:
The cover of the distribution box should be able to withstand the 90º ball pressure test, and the diameter of the indentation should be less than 2mm.


4. Flame retardant requirements:
The cover of the distribution box should not be flammable, or it should meet the 650º glow wire test.


Full knowledge of the distribution box can help us use them better.