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ABB PR512 Manual page 26

Microprocessor-based self-supplied protection relays
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24
PR512/PD (50-51-50N-51N + DIALOGUE) UNIT
Electrical characteristics of the relay contacts
The YO and YC control relay contacts have the
following electrical characteristics:
– maximum interrupted current:
– maximum interrupted voltage:
– maximum interrupted load at 48 Vdc:
– inductive (L/R = 7 ms)
– resistive
– maximum interrupted load at 220 Vac:
– inductive (cos = 0.4)
– resistive
– contact/contact insulation
– contact/coil insulation
5 A
250 Vca
130 Vcc
25 W
50 W
500 VA
800 VA
1000 Veff
2000 Veff
5

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