LEADER 01117nam 2200325 450 001 9910211248503321 005 20231206173645.0 010 $a1-5044-4170-2 035 $a(CKB)3710000001416743 035 $a(NjHacI)993710000001416743 035 $a(EXLCZ)993710000001416743 100 $a20231206d1991 uy 0 101 0 $aeng 135 $aur||||||||||| 181 $ctxt$2rdacontent 182 $cc$2rdamedia 183 $acr$2rdacarrier 200 10$aANSI C37.12-1991 (Revision of ANSI C37.12-1981) $eAmerican National Standard for AC High-Voltage Circuit Breakers Rated on a Symmetrical Current Basis-- Specifications Guide /$fInstitute of Electrical and Electronics Engineers 210 1$aPiscataway, NJ :$cIEEE,$d1991. 215 $a1 online resource 517 $aANSI C37.12-1991 606 $aHigh voltages$xEnvironmental aspects 615 0$aHigh voltages$xEnvironmental aspects. 676 $a363.62 801 0$bNjHacI 801 1$bNjHacl 906 $aDOCUMENT 912 $a9910211248503321 996 $aANSI C37.12-1991 (Revision of ANSI C37.12-1981)$93646623 997 $aUNINA