What is the alternative for a Main switch (surface) 3 phase T300-BK?
The original T300-BK was unfortunately discontinued. As an alternative the T300FA is very similar. The Majority of its components are the same but some specifications may vary.
Some of the key features are:
300 Amp rated
Front wiring cover
Has dimensions of 210mm (L) x 158mm (W) x 112mm (D)