ABB REF615 protection relay damage

Dimensions:

• Width Frame: 177 mm
• Case: 164 mm
• Height Frame: 177 mm (4U)
• Case: 160 mm
• Depth: 201 mm (153 + 48 mm)
• Weight:
  • Complete protection relay: 4.1 kg
  • Plug-in unit only: 2.1 kg

Power Supply:

• Type 1:
  • Nominal auxiliary voltage Un: 100, 110, 120, 220, 240 V AC, 50 and 60 Hz
  • Maximum interruption time in the auxiliary DC voltage without resetting the relay: 50 ms at Un
  • Auxiliary voltage variation: 38…110% of Un (38…264 V AC)
  • Start-up threshold: 19.2 V DC (24 V DC × 80%)
  • Burden of auxiliary voltage supply under quiescent (Pq)/operating condition:
    • DC <12.0 W (nominal)/<18.0 W (max)
    • AC <16.0 W (nominal)/<21.0 W (max)
  • Ripple in the DC auxiliary voltage: Max 15% of the DC value (at frequency of 100 Hz)
  • Fuse type: T4A/250 V
• Type 2:
  • Nominal auxiliary voltage Un: 24, 30, 48, 60 V DC; 48, 60, 110, 125, 220, 250 V DC
  • Auxiliary voltage variation: 50…120% of Un (12…72 V DC); 80…120% of Un (38.4…300 V DC)

Energizing Inputs:

• Rated frequency: 50/60 Hz
• Current inputs:
  • Rated current, In: 0.2/1 A1), 1/5 A2)
  • Thermal withstand capability:
    • Continuously: 4 A (Type 1), 20 A (Type 2)
    • For 1 s: 100 A (Type 1), 500 A (Type 2)
  • Dynamic current withstand:
    • Half-wave value: 250 A (Type 1), 1250 A (Type 2)
  • Input impedance: <100 mΩ (Type 1), <20 mΩ (Type 2)
• Voltage inputs:
  • Rated voltage: 60…210 V AC
  • Voltage withstand:
    • Continuous: 240 V AC
    • For 10 s: 360 V AC
  • Burden at rated voltage: <0.05 VA