DS DS/EN 60255-21-3
DS DSEN 60255-21-3 1995-JUN-16 Electrcal relays - Part 21 Vbraton shock bump and sesmc tests on measurng relays and protecton equpment - Secton 3 Sesmc tests
DS DSEN 60255-21-3 1995-JUN-16 Electrcal relays - Part 21 Vbraton shock bump and sesmc tests on measurng relays and protecton equpment - Secton 3 Sesmc tests
Specifies the vibration, shock, bump and seismic tests applicable to electromechanical and static measuring relays and protection equipment, with or without output contacts.