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IEC 60255-21-1/-2/-3

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Post time 2020-5-13 04:30:11 | Show all posts |Read mode
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IEC 60255-21-1:1988
Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section One: Vibration tests (sinusoidal)

IEC 60255-21-2:1988
Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section Two: Shock and bump tests

IEC 60255-21-3:1993
Electrical relays - Part 21: Vibration, shock, bump and seismic tests on measuring relays and protection equipment - Section 3: Seismic tests

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Post time 2020-5-13 04:30:12 | Show all posts
solved them.

IEC 60255-21-1.pdf

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IEC 60255-21-2.pdf

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IEC 60255-21-3.pdf

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