1．适用于1区、2区危险场所；
2．适用于HA、ⅡB、ⅡC类爆炸性气体环境。
  ‘要求ⅡC类请注明。
1．Can be used in zone 1 and zone 2 dangerous places．
2．Can be u88din]IA，11B，]IC greupexplosive abTtosphere
  ‘Please noteifwant 11CoP safety-increasedtype

1．外壳采用ZLl02铝合金压铸成型，表面高压静电喷塑；
2．内部结构全新设计，采用小型电机带动凸轮敲击铃碗，性能稳定，  长寿命；
3．交、直流电铃均为圆筒隔爆结构，防爆性能好，安全可靠；
4．铃晚表面镀敏青铜，打击时不会引起火花；
5．符合GB3836_2000、IEC60079标准要求。
1．Die-cased shell is of ZLl02 Aluminium alloy with high-pressure  electrostatic plasUc-sprayed surface．
2．Withinnermodern design，motorddved camto knockonbell bowl  with stabilityandlonglifefeatures．
3．AC and DCelectricalbell are both ofcylinderflame-proofstructure
 wi廿1 good explosion-proof propery and reliabiliM
4．Be-bronze plated bell coverwithoutsparklewhen knocking
5．Suitable for GB3836-2000，IEC60079 standard reques