ABB REB670 Busbar Protection Replay Module in Stock

The REB670 is specifically engineered to provide selective, dependable, and rapid differential protection for busbars, T-connections, and meshed corners in power systems. It offers versatile protection for various configurations, including single and double busbars with or without transfer buses, double circuit breaker stations, or one-and-a-half circuit breaker stations.

Basic Data:

• Current (Ir):

  • Rated: 1 or 5 A
  • Operative Range: 0.2-40 times Ir
  • Permissive Overload:
    • Continuous: 4 times Ir
    • 1-second Overload: 100 times Ir
  • Burden:
    • <150 mVA at 5 A
    • <20 mVA at 1 A

• AC Voltage (Ur):

  • Rated: 110 V
  • Operative Range: 0.5-288 V
  • Permissive Overload:
    • Continuous: 420 V
    • 10-second Overload: 450 V
  • Burden: <20 mVA at 110 V

• Frequency (fr):

  • 50/60 Hz ±5%

• Input Resistance (Rin):

  • 194 Ohm

• Input Range:

  • ±5, ±10, ±20 mA
  • 0-5, 0-10, 0-20, 4-20 mA

• Power Consumption:

  • Each mA-Board: ≤ 2 W
  • Each mA Input: ≤ 0.1 W

• Number of Channels:

  • 1 or 2

• Communication Standards:

  • IEEE 802.3u 100BASE-FX

• Fiber Type:

  • 62.5/125 mm multimode fiber

• Wavelength:

  • 1300 nm

• Optical Connector Type:

  • ST

• Communication Speed:

  • Fast Ethernet: 100 Mbit/s

• Auxiliary DC Voltage (EL):

  • Input Range: (24-60) V or (90-250) V
  • Tolerance: ±20%
  • Power Consumption: 50 W typically
  • In-rush Current: < 10 A during 0.1 s