bbk 隔爆型变压器(ⅱb)
bbk flame-proof type transformer (ⅱb) |
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| | 1. 爆炸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)。
1. for the dangerous sites with explosive air mixture:
1 division、2 division；
2. flammable gas, steam class：ⅱa、ⅱb4；
3. temperatures classification：t1~t4；
4. indoor and outdoor(ip54).
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1. 铸铝合金外壳，表面喷塑，耐腐蚀；
2. 适用于交流50hz，220v/380v的电路中，作为机械控制电器或局部照明电源；
3. 内装 bk 系列干式变压器，进出线腔分别独立，有
单独保险丝腔，便于维修；
4. 钢管或电缆布线。
| | 1. the explosion-proof socket device is composed of socket and plug;
2. socket and plug rod have flame-separating structures, the shell is safety-increasing type. it adopts high-intensity non-inflammable plastics to press and manufacture with antistatic, anti corrosive, shockproof and good heatstability performances;
3. steelpipe and cable wiring. |
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| 初级额定电压
primary rated
voltage (v) | 次级额定电压
secondary rated
voltage (v)
| 防爆标志
explosion-
proofing marker | | 防腐等级
corrosion-proofing grade | 进线口螺纹
inlet"s thread | 电缆外径(mm)
cable"s outside
diameter | 0.2, 0.3, 0.4, 0.5, 1 | 220,380 | 6.3, 12, 24 | exdⅱbt4 | ip54 | wf1,wf2 | g3/4 | φ8~φ14 |
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