适用范围 
◆   爆炸性气体混合物危险场所：1区、2区。■爆炸性气体混合物：IIA、IIB。■温度组别：T1~T6。■防爆标志：Exd II BT6。
产品特点
◆   铸铝合金外壳、表面喷望。■等管利用铝支梁与端盖连成一体，便于换等管。

◆   结构轻巧、美观大方。■钢管或电缆布线均可。■可根据拥护要桥配带单管急装置。
型号含义
 
型号                        额定电压（v）                额定功率（W）
BYC-1×20                 220                                   20
BYC-2×20                 220                                   40
BYC-1×30                 220                                   30
BYC-2×30                 220                                   60
BYC-1×40                 220                                   40
BYC-2×40                 220                                   80
防爆标志                 电缆外径（φmm）        进线口螺纹（G"）
Exd II BT6                       8-10                       1/2 

型号/尺寸                      L1                                  L2
BYC-1×20                  710                               635
BPY-2×20                  710                               635
BPY-1×30                 1015                              940
BPY-2×30                 1015                              940
BPY-1×40                 1320                             1235
BPY-2×40                 1320                             1235
应急起动时间（S）     充电时间（h）               应急照明时间（min）
0.3                               24                                  60