23.5 Technical data IP16276-1 v123.5.1 Enclosure IP16278-1 v1M11778-1 v6Table 673:CaseMaterial Steel sheetFront plate Stainless steel with cut-out for HMISurface treatment Aluzink preplated steelFinish Light grey (RAL 7035)M12327-1 v4Table 674:Water and dust protection level according to IEC 60529Front IP40 (IP54 with sealing strip)Sides, top and bottom IP40Rear side IP20 with screw compression typeIP10 with ring lug terminalsM11777-1 v5Table 675:WeightCase size Weight6U, 1/2 x 19” £6U, 3/4 x 19” £ 33 lb6U, 1/1 x 19” £ 40 lb23.5.2 Electrical safety GUID-2825B541-DD31-4DAF-B5B3-97555F81A1C2 v1GUID-1CF5B10A-CF8B-407D-8D87-F4B48B43C2B2 v1Table 676:Electrical safety according to IEC 60255-27Equipment class I (protective earthed)Overvoltage category IIIPollution degree 2 (normally only non-conductive pollution occurs except that occasionally atemporary conductivity caused by condensation is to be expected)Section 23 1MRK 511 408-UUS AIED hardware870 Phasor measurement unit RES670 2.2 ANSITechnical manual
