Application scope� JVL19-63 Residual Current Circuit Breaker provide the function of isolation switching and earth leakage protection of electrical circuits.And also provide the indirect protection of the operator' s body against the dangerous effects of electric current and provide the protection of the fire caused by the electrical circuit fault. Standard� IEC61008 J& R Electrical Holding Co., Ltd No.132 Xinguang Industrial Zone, Liushi, Wenzhou, China web: www.jr-china.com tel: + 86-13757788000 ext.505 fax: 86-577-62791175 mob: + 86-15867770370 email: jinrogy@ 163.com msn: ji nrogy@ hotmail.com qq: 425423955 skype: jinlejuan contactor: Elim