The following is the feature of the meter shell: Overall dimensions:281x180x98 Installation dimensions:255 x90.5 1, Bottom case is made of ABS-V0, or ABS-PC(UL94) 2, Upper cover(front cover) is made of PC-V0 3, Lower cover and window is made of PC-V0(UL94) 4, Nameplate is made of 0.5mm Aluminium or PC-V0 or ABS-V0(UL94) 5, Terminal housing is made of bakelite 6, Terminals is made of brass for 1.5-6A,10-40A,20-80A,or on request 7, Signal terminals No. - 2pcs-6pcs are available on request 8, short or long terminal housing cover is available 9, RS232 optical port available on front cover Standard export carton package