1, AC Power Supply Lightning Protection Box 2, Italy brand 3, 30 years experience 4, CE,CCC,ISO9001, ISO14001 approvals Features of ... working status.Automatic resetting after acting, without influence on normal power supplying.Without need of special installation environment and regular inspection ... count YesTesting standard compliance IEC 61643 – 1, GB 18802.1 Power Supply Lightning Protection Box