The current australian standard for main switchboards is as nzs 3439 1.
Electrical main switchboard design.
2002 originating from iec 60439.
The new series of standard as nzs 61439 will supersede the current standard in 2020 if the new standard gets published in 2015.
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Once published the new series as nzs 61439 standard will supersede the current standards five years from the initial.
2002 which is based on iec 60439.
Our design team work with computer aided design and we only select experienced and highly skilled draftsperson to take care of this stage.
The q a below explains the basis of switchboard design.
Of emax e3n3200 pr121 p lsi in 3200 main circuit breaker of the switchboard qf1.
Analysis of consumer electricity data power voltage geographical location etc.
Selection of the circuit breakers and of the conductors external to the switchboard circuit breakers as shown in the single line diagram the circuit breakers chosen are.
The main distribution busbar short circuit current is 48 ka.
Design of electrical switchboards includes the following basic steps.
We will consult with you to gain an understanding of all the environmental and operational conditions that could affect the.
Main switchboard design q.
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Highly specialized for design of lv mv switchgears and lv high power busbar trunking 6300a in power substations commercial buildings and industry facilities.
Current australian standard is as nzs 3439 1.
All our switchboards are all tested to as nzs 3439 1 2002.
What is the australian standard for main switchboards.