·CZLB-5-EX(R2),CZLB-5-EX(R3),信
·CZLB-12-EX(K2),CZLB-12-EX(K3),
·CZLB-24-EX(B2),CZLB-24-EX(B3),
·CZLBX-48,信号浪涌保护器
·CZLBX-48-EX,防爆型信号浪涌保护
·ETM-1V-300SU,ETM-1V-300SO,ETM-
·ETM-1V-300SU,ETM-1V-300SO,ETM-
·ETM-3V-400S,ETM-3V-400SN,ETM-3
·ETM-I-10SU,ETM-I-10SO,ETM-I-10