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IEC 60255-12 Ed. 1.0 b PDF
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Electrical relays – Part 12: Directional relays and power relays with two input energizing quantities
| Published by | Publication Date | Number of Pages |
| IEC | 01/01/1980 | 26 |
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IEC 60255-12 Ed. 1.0 b – Electrical relays – Part 12: Directional relays and power relays with two input energizing quantities
Specifies performance requirements for the subfamily as shown in the title. This publication forms part of a series dealing with measuring relays with more than one input energizing quantity and for which IEC 60255-6 gives the general requirements.
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