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What is the auxiliary voltage operating range of MiCOM P44x relays.

The auxiliary voltage operating range of MiCOM P44x relays is

(i) 19 to 38V (dc only for this variant)
(ii) 37 to 150V (dc),
(iii) 87 to 300V (dc), 80 to 265V (ac).

With a tolerable ac ripple of up to 15% for a dc supply, per EN / IEC 60255-11, EN / IEC 60255-26.
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