適用范圍 Application 1區、2區危險場所。 Can be used in Zone 1 and Zone 2 dangerous places. ⅡA、ⅡB、類爆炸性氣體環境。 Can be used in IIA、IIB、group explosive atmosphere. 可配裝白熾燈 Suitable for incandescent lamp. 型號含義 Model implication 產品特點 Features 鑄鋁合金外客，壓鑄成形，表面噴塑。 Diecasted aluminium alloy shell with plasticsprayed surface. 視孔燈可根本用戶要求做成聚光式，但在 Apperture lamp can be made into condensing by use's requirement, 定貨時請注明。 but it should be noted when ordering. 鋼管或電纜布線均可 Suitable for steelpipe. 符合GB3836-2000，IEC60079標準要求 Suitable for GB3.836-2000,IEC6007 standard raquest.