Standards and Classifications

Standards and Classifications applicable to our iNTELECT™ switchboards are:


AS/NZS 3439.1
IEC 61439-1
BS EN 60439-1
Low Voltage Switchgear and Controlgear Assemblies
AS/NZS 2420 Fire Test Methods for insulation Material and Non-Metallic Enclosures for Electrical Equipment
AS 60529 Classification of Degree of Protection of Enclosures for Electrical Equipment
AS/NZS 3000 SAA Wiring Rules
AS/NZS 3947.4.1
IEC 947-4.1
Co-ordination of Short-Circuit Protective Devices



Type tested low-voltage switchgear and controlgear assembly (TTA & PTTA).


Multi-cubicle type assembly. Indoor installation (or contained in an enclosure for outdoor installation). Stationary.

Degree of ProtectionIP42 to IP54
PollutionPollution degree 3
Clearance distances20mm Min.
Creepage distances29mm Min.
Electrical Characteristics

Rated operational voltage (Ue) 1000V max.
Rated insulation voltage (Ui) 1000V max.
Rated impulse withstand voltage (Uimp) 16kV
Rated current phase bars Up to 6000A
Rated current neutral bar Not less than 50% of the phase bars
Rated short-time withstand
current (Icw) Phase
bars 50kA at 1 sec
50kA at 3 secs
63kA at 1 sec
65kA at 1 sec
65kA at 3 secs
80kA at 1 sec
Rated short-time withstand
current (Icw) neutral bars
Not less than 60% of the short circuit rating of the phase bar.
Rated peak withstand
105, 139, 143 and 176kA
Rated frequency 50-60Hz
Australian Designmark Standards Australia Logo Standards