Mechanical characteristics
Material plastic                          : NORYL UL94 V-0 self extinguishing 
Protection degree EN60529       : IP54 (front panel); IP20 (terminals) 
Terminals                                 : Screw type 2.5mm. 
Front dimension                        : 48x96x105 mm. for MR series
                                              : 24x48x105 mm. for MRS series
Display
Type                                       : LED 5 digits, Height 10.16mm. (0.4”)
Display Range                           : 0 - 99999 digit adjustable
Back-up memory                       : By E²PROM, no data loss even power failure.
                                                Data 10years retention