Transcription of 各國防爆系統及符號對等關係Explosion Proof …
1 Explosion Proof System Chart table Worldwide System No. 1 1st Digit Structure No. 2 2nd Digit ex Class Code 3 3rd Digit Temp. Class Europe IEC (EN) d , e , i , q , s IIA , IIB , IIC T1 ~ T6 G1 ~ G6 EExe T3 EExde IIB T4 EExedq IIC T6 America NEC (NEMA) Class 1 Div. 1 Class 1 Div. 2 Croup A , B , C , D T1 ~ T6 T1 ~ T6 Class 1 Div. 2 T3 Class 1 Div. 1 Group C & D T4 Class 1 Div. 1 Group A , B , C , D , T6 Japan NEC (JIS) (CKS) (CNS) d. e. i. q. s 1 , 2 , 3 3a 3b 3c 3n G1 ~ G6 eG3 d2 G4 D3nG6 Provided by Hwe Wang (07)8317878
