ABB REX521 Feeder Protection Relay 100% Brand New

Technical Data for the MOTOROLA MVME162-21

Table 5.2.1-1 Energizing Inputs:

• Rated frequency: 50.0/60.0 Hz
• Current inputs Rated current: 0.2 A / 1 A / 5 A
• Thermal withstand capability:
  • Continuously: 1.5 A / 4 A / 20 A
  • For 1 s: 20 A / 100 A / 500 A
  • Dynamic current withstand, half-wave value: 50 A / 250 A / 1250 A
• Input impedance: <750 mΩ / <100 mΩ / <20 mΩ
• Voltage inputs rated voltage: 100 V / 110 V / 115 V / 120 V (parametrization)
  • Voltage withstand, continuous: 2 x Un (240 V)
  • Burden at rated voltage: <0.5 VA
• Sensor inputs voltage range RMS: 9.4 V RMS
  • Voltage range peak: ± 12 V
  • Input impedance: >4.7 MΩ
  • Input capacitance: <1 nF

Table 5.2.1-2 Auxiliary Power Supplies:

• Type:
  • PS_87H (REX521xxHxx)
  • PS_87L (REX521xxLxx)
• Input voltage, AC: 110/120/220/240 V (PS_87H only)
• Input voltage, DC: 110/125/220 V (PS_87H), 24/48/60 V (PS_87L)
• Voltage variation:
  • AC: 85…110% of rated value
  • DC: 80…120% of rated value
• Burden: <20 W
• Ripple in DC auxiliary voltage: Max. 12% of the rated DC value (IEC 60255-11)
• Interruption time in auxiliary DC voltage without resetting:
  • <40 ms (110 V)
  • <100 ms (200 V)
  • <15 ms (24 V)
  • <50 ms (48 V)
• Internal overtemperature indication: +78°C (+75…+83°C)

Table 5.2.1-3 Digital Inputs:

• Type:
  • PS_87H (REX521xxHxx)
  • PS_87L (REX521xxLxx)
• Operating range, DC: 80…265 V DC
  • DI9: 18...265 V