450/750V HFIX 0.6/1kV HFCO 6/10kV HFCO 0.6/1kV HFCCO, HFCCO-S, HFCCO-SB 0.6/1kV HFCCO-AMS, 0.6/1kV HFCCO-I/C AMS 0.6/1kV NFR-8, NFR-8(830℃/120min),NFR-8(950℃/180min) 0.6/1kV NFR-3