Description

ABB REF615C_C is a compact integrated protection relay designed for utility and industrial power distribution systems.

General Information

• Width (frame): 177 mm

• Width (case): 164 mm

• Height (frame): 177 mm (4U)

• Height (case): 160 mm

• Depth: 201 mm (153 + 48 mm)

Specifications

• Auxiliary voltage nominal (Uaux):
  • 100, 110, 120, 220, 240 V AC, 50/60 Hz
  • 24, 30, 48, 60 V DC
  • 48, 60, 110, 125, 220, 250 V DC

• Max interruption time (without reset):
  • 50 ms at Unrated

• Auxiliary voltage variation range (Uauxvariation):
  • 38...110% of Un (38...264 V AC)
  • 50...120% of Un (12...72 V DC)
  • 80...120% of Un (38.4...300 V DC)

• Start-up threshold:
  • 19.2 V DC (24 V DC × 80%)

• Burden (under quiescent/operating condition):
  • DC: < 12.0 W (nominal), < 18.0 W (max)
  • AC: < 16.0 W (nominal), < 21.0 W (max)

• Ripple in DC auxiliary voltage:
  • Max 15% of DC value (at 100 Hz)

• Fuse type:
  • T4A / 250 V