REF610 ABB REF 610 Feeder Protection Relay Digital Input SOE Application Memory: 5 MB (Series

Application Memory: 5 MB (Series A)

3 µs per instruction

Field Circuit Power: +24 VDC at 30 mA

Isolation Voltage: 1500 V

2 mA (typical)

REF610 ABB REF 610 Feeder Protection Relay Digital Input SOE Application Memory: 5 MB (SeriesOverview REF610 is an ABB feeder protection relay designed to operate reliably under varying power supply and input conditions. Power Supply REF610xxxHxxx, REF610xxxLxxx AC Voltage Range: 85110% of Ur (AC) DC Voltage Range: 80120% of Ur (DC) Burden of Auxiliary Voltage Supply: <9 W (quiescent) 13 W (operating) Ripple in DC Auxiliary Voltage: max 12% of DC value Interruption Time (Aux DC Voltage): <50 ms at rated Uaux without relay reset Time to Trip