21-523-05 Trolley busbar 4/140A, 3 metres, cross-section 3.3mm, with 4 busbars, used for power supply to crane equipment. The closed type construction is based on copper busbars separated by gaps, placed inside a reliable PVC housing. In the production of copper busbars we use M0 grade, which is characterised by its high quality, as it consists of 99.9% copper.
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