현대일렉트릭 방폭전동기 인증 및 효율규정

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1. 삼상모터 위험물에 따라 Class I(GAS & Vapor), ClassII(DUST)

IEC/EN: ZONE1,ZONE2, NEC505:ZONE0,ZONE1,ZONE2

ZONE20,ZONE21,ZONE22

NEC500: Division1, Division2

2.위험지역별 적용가능한 전동기방폭기기

(1)본질안전방폭구조(Intrinsic motor), Zone0, Exi~

관련규격: IEC/EN 60079-11

UL 2279 Pt.11

CSA E79-11

(2)내압방폭구조(Flameproof motor), Zone1, Exdb~, Exd~

관련규격:IEC/EN 6009-2

UNFPA495

CSA E79-2

(3)압력방폭구조(Pressurized motor), Zone1, Exp~

IEC/EN 60079-7

UL2279 Pt.7

CSA E79-7

(4)안전증방폭구조(Increased safety motor), Zone1, Exeb~, Exe~

IEC/EN 60079-7

UL2279Pt.7

CSA E79-7

5)비점화방폭구조(Non-sparking motor), Zone2, Exec~, ExnA~

위험 지역별 적용 가능 방폭기기