General Electric | GE Multilin | 489-P5-HI-A20-E-H | Generator Management Relay

POWER SUPPLY Options:

• LO Range:
  • DC: 20 to 60 V DC
  • AC: 20 to 48 V AC at 48 to 62 Hz
• HI Range:
  • DC: 90 to 300 V DC
  • AC: 70 to 265 V AC at 48 to 62 Hz
• Power: 45 VA (max), 25 VA typical
• Proper operation time without supply voltage: 30 ms

AC ANALOG INPUTS FREQUENCY TRACKING

• Frequency Tracking: Va for wye, Vab for open delta
  • 6V minimum, 10 Hz/sec.

OUTPUT AND NEUTRAL END CURRENT INPUTS

• CT Primary: 10 to 50000 A
• CT Secondary: 1 A or 5 A (must be specified with order)
• Conversion Range: 0.02 to 20 x CT
• Accuracy:
  • At < 2 x CT: ±0.5% of 2 x CT
  • At ≥ 2 x CT: ±1% of 20 x CT
• Burden: Less than 0.2 VA at rated load
• CT Withstand:
  • 1 second at 80 times rated current
  • 2 seconds at 40 times rated current
  • Continuous at 3 times rated current

GROUND CURRENT INPUT CT

• CT Primary: 10 to 10000 A (1A / 5A CTs)
• CT Secondary: 1A / 5A or 50:0.025 (HGF CTs)
• Conversion Range:
  • 0.02 to 20 x CT for 1A / 5A CTs
  • 0.0 to 100A pri. for 50:0.025 CTs (HGF)
• 50:0.025 CT Accuracy:
  • ± 0.1 A at < 10 A
  • ± 1.0 A at ≥ 10 to 100 A
• 1A/5 A CT Accuracy:
  • At < 2 x CT: ±0.5% of 2 x CT
  • At ≥ 2 x CT: ±1% of 20 x CT

TRIP COIL SUPERVISION

• Applicable Voltage: 20 to 300 V DC/AC
• Trickle Current: 2 to 5 mA

ANALOG CURRENT INPUTS

• Current Inputs:
  • 0 to 1 mA
  • 0 to 20 mA
  • 4 to 20 mA (setpoint)
• Input Impedance: 226 Ω ±10%
• Conversion Range: 0 to 2 mA
• Accuracy: ±1% of full scale
• Type: Passive
• Analog Input Supply: +24 V DC at 100 mA max.
• Sampling Interval: 50 ms