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Measuring relays and protection equipment - Functional requirements for over/under voltage protection. Original standard BS EN 60255-127-2014 in PDF full version. Additional info + preview on request

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Measuring relays and protection equipment - Functional requirements for thermal electrical relays. Original standard BS EN 60255-149-2013 in PDF full version. Additional info + preview on request

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Measuring relays and protection equipment - Functional requirements for over/under current protection. Original standard BS EN 60255-151-2009 in PDF full version. Additional info + preview on request

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Electrical relays. Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Vibration tests (sinusoidal). Original standard BS EN 60255-21-1-1996 (1999) in PDF full version. Additional info + preview on request

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Electrical relays. Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Shock and bump tests. Original standard BS EN 60255-21-2-1996 (1999) in PDF full version. Additional info + preview on request

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Electrical relays. Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Seismic tests. Original standard BS EN 60255-21-3-1995 (2000) in PDF full version. Additional info + preview on request

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