ip23 nema 3r three phase isolation transformer

IP23 NEMA 3R Three Phase Isolation Transformer Pure Copper/Alumium Features 1) 3-phase dry type transformer can be manufactured as open-type and protected-type,with the strengths of low wear and tear ,low noise,good fireproof performance and no pollution. 2) Transformers are classified into control transformers and lighting transformers according to purposes.Control transformer are fixed transformers,and lighting transformers...