Description

REF601CE446BB1

Compact ABB feeder protection and control relay. Supports wide-range AC/DC power supply, integrated binary input monitoring, and trip-circuit supervision.

Power Supply

• Nominal voltage range (AC): 24…240 V, 50/60 Hz

• Nominal voltage range (DC): 24…240 V

• AC variation range: 85–110% of Vn (20.4…264 V)

• DC variation range: 70–120% of Vn (16.8…288 V)

• Burden (Pq): < 5.0 VA

• Max DC ripple: 12% @ 100 Hz

• DC interruption tolerance: 50 ms without reset

Binary Input

• Rated voltage: 24…240 V AC/DC

• Operating range (AC): 85–110% of Vn

• Operating range (DC): 70–120% of Vn

• Current drain: 2…20 mA

• Power/input: < 500 mW

• Input sensing delay: 25 ms

Trip-Circuit Monitoring (BI2)

• Control voltage range: 48…250 V AC/DC

• Current drain: ~1.5 mA

• Min voltage across TCS contact: 20 V AC/DC (15–20 V)