Insulating busbar supports to mount copper or aluminium busbars, tested to hold them securely during a short circuit.

Conformity to standards

IEC 61439-1
IEC 60865-1


SB 3 busbar support is available in X versions

Item Section Number of poles Rated voltage Busbar distance Select
50230110 32..63x5 1 690 VAC 500..1000
50230111 32..63x5 1 690 VAC


Insulating materials

The SB P fixed-phase flat bar support range is made of insulating material. This material eliminates risks in relation to isolation distances and leakage lines.


Most bar supports have an M8 screw connection which provides outstanding robustness to the entire busbar structure.


The distance between the bar support attachment points is compatible with all commercially available enclosures.

Resources & Documentation


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