DB-M2 series iof products are made of standard cold-rolled steel and use powder coating techniques to process the crust.Thecrust is beautiful and fits for surface and flush install. mailbox:emily.61(a)live.cn Single phase Size(mm) Three phase Size(mm) DB-M2/4 208å �79å �0 DB-M2/4 470å �70å �00 DB-M2/6 208å �30å �0 DB-M2/6 545å �70å �00 DB-M2/8 208å �81å �0 DB-M2/8 620å �70å �00 DB-M2/10 208å �32å �0 DB-M2/10 695å �70å �00 DB-M2/12 208å �82å �0 DB-M2/12 770å �70å �00