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Ships within 48 hours · Estimated delivery Oct 21 - Oct 26
Total useful secondary power: 26 W
designed as the central processing unit for hybrid control applications
three ports each (top center)
Isolation and Wiring
Low level: -34 to +5 V
ABB REF601 REF 601 Feeder Protection and Control Relay RTD Input Interface Module Total useful secondary power: 26Overview REF601 is an ABB feeder protection and control relay designed for reliable power system operation, supporting a wide auxiliary voltage range and flexible binary inputs. Power Supply Nominal auxiliary voltage (Uaux): 24240 V AC (50 60 Hz), 24240 V DC Uaux variation: 85110% of Uaux (20. 4264 V AC), 70120% of Uaux (DC) Burden (quiescent operating): < 12. 0 VA Ripple in DC auxiliary voltage: Max 12% of DC value (100 Hz) Maximum interruption time:
