REF610

Overview

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: 85–110% of Ur (AC)

• DC Voltage Range: 80–120% 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 from Aux Voltage On: <350 ms

• Internal Over Temperature Limit: +100 °C (~212 °F)

• Fuse Type: T2A / 250 V

Digital Inputs

• Operating Range: ±20% of rated voltage

• Rated Voltage DI1...DI2 REF610xxxHxxx: 110/125/220/250 V DC

• Rated Voltage DI1...DI2 REF610xxxLxxx: 24/48/60/110/125/220/250 V DC

• Rated Voltage DI3...DI5 (Optional) REF610xxxxxHx: 110/125/220/250 V DC

• Rated Voltage DI3...DI5 (Optional) REF610xxxxxLx: 24/48/60/110/125/220/250 V DC

• Current Drain: 2–18 mA

• Power Consumption/Input: <0.9 W

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