1. For the dangerous sites with explosive air mixture: 1 division、2 division;2. Flammable gas, steam class：ⅡA、ⅡB、ⅡC;3. Temperatures classification：T1~T6;4. Indoor and outdoor(IP65). 进线口螺纹 Intlets direction M20×1.5 G3/4 代号 Code 1 2 出线口方向 Outlets direction 下出线 Bottom outlet 上出线 Top outlet 代号 Code X D 触点组合形式 Contacts compound type 种类 Sorts 单** Single-pole 双** Double-pole 串** Series-pole 双投 Double-throw 代号 Code 1 2 5 6产品型号 Model 产品特点： 1. 外壳内装隔**型元件；2. 外壳采用玻璃纤维增强不饱合聚酯树脂压制而成，具有外形美观，耐腐蚀、*，耐冲击及热稳定性好等优良性能；3. 隔**型开关具有结构紧凑、可靠性好、体积小、通断能力强、寿命长等优点；4. 所有的紧固件都采用不锈钢螺钉；5. 电缆布线。
1. The increased safety is mounted the flame-proofing elements inside;2. The pressing shell made of fiberous glass, reinforced unsatur ated polyster resin has elegant outlooking and good properties for corrosion-proof, static electrity、resistance、impact resistance and reliable-heating;3. The flame-proofing switch with tight structure, good reliable and small bulk has strong capacity for cutting out and in, and the long service life, etc;4. All the fastening pieces are adopted the stainless steel screw;5. Cable wiring. 额定电压Ratedvoltage (V) 额定电流Rated current (A) 防**标志 Explosion-proofing marker 防护等级Protection category 防腐等级 Corrosion-proofing grade 进线口螺纹/电缆外径(mm)Intlets direction/ Cablesoutside diameter 210 10 Ex edⅡCT6 IP65 WF2 M20×1.5/Φ8~Φ10, G3/4/Φ10~Φ15 BHR51 防**刀熔开关(ⅡB、ⅡC)BHR51 Explosion-proof Type, Knife Fuse Switch (ⅡB、ⅡC) 1. *性气体环境危险场所：1区、2区；2. 可燃性气体、蒸气级别：ⅡA、ⅡB、ⅡC；3. 温度组别：T1~T4；4. 户内、户外 (IP54)。
1. For the dangerous sites with explosive air mixture: 1 division、2 division;2. Flammable gas, steam class：ⅡA、ⅡB、ⅡC;3. Temperatures classification：T1~T4;4. Indoor and outdoor(IP54). 1. 铸铝合金外壳，表面喷塑；2. 适用于电压380V，电流10-400A电气装置和配电系统中作不频繁切换电路及短路保护用；3. 内装元件由刀开关和熔断器组合而成，能快速接通与分断；4. 钢管或电缆布线。
1. Die*ted Al-alloy shell with plastic-sprayed surface;2. Apply to infrequenty change-over circuit and short-circuit protection for the electrical appliance at 380V and 10-400A and distribution system;3. In-built elements are made up of knife switch and fuse It can be quickly cut on/off;4. Steelpipe and cable wiring. 额定电压Ratedvoltage (V) 额定电流Rated current (A) **数Poles number 防**标志 Explosion-proofing marker 防护等级Protection category 防腐等级 Corrosion-proofing grade 进线口螺纹/电缆外径（mm） Intlets direction/ Cables outside diameter 380 10, 1520, 3060, 100200400 3 Exde ⅡBT4Exde ⅡCT4Exd ⅡBT4 IP54 WF1, WF2 G3/4/Φ10~Φ15G1/Φ12~Φ18G11/4Φ15~Φ22G2/Φ27~Φ33G3/Φ43~Φ51 BHZ51 防**组合开关(ⅡB)BHR51 Explosion-proof Type, Knife Fuse Switch (ⅡB、ⅡC) 1. For the dangerous sites with explosive air mixture: 1 division、2 division;2. Flammable gas, steam class：ⅡA、ⅡB;3. Temperatures classification：T1~T4;4. Indoor and outdoor(IP54). 1. *性气体环境危险场所：1区、2区；2. 可燃性气体、蒸气级别：ⅡA、ⅡB；3. 温度组别：T1~T4；4. 户内、户外 (IP54)。
三诺防**电气
