REF620 ABB | Feeder Protection and Control

REF620 Technical Parameters

Product Overview

• Series: Relion® 620 series
• Application: Feeder Protection and Control
• Product Version: 2.0
• Document ID: 1MRS757651
• Issued: 2013-05-07
• Manufacturer: ABB

Physical Connections

• Analog Channels:
  • Configuration A: 4 CT inputs, 5 VT inputs
  • Configuration B: 1 combi sensor input (three-phase current and voltage), 1 residual current input
• Binary Channels:
  • Configuration A: 24 binary inputs, 14 binary outputs
  • Configuration B: 16 binary inputs, 14 binary outputs

Dimensions

• Width:
  • Frame: 262.2 mm
  • Case: 246 mm
• Height:
  • Frame: 177 mm, 4U
  • Case: 160 mm
• Depth: 201 mm
• Weight:
  • Complete protection relay: max. 5.0 kg
  • Plug-in unit only: max. 2.9 kg

Power Supply

• Type 1:

  • ${𝑈}_{\text{aux}}$ nominal: 100, 110, 120, 220, 240 V AC (50 and 60 Hz), 48, 60, 110, 125, 220, 250 V DC
  • Maximum interruption time: 50 ms at ${𝑈}_{𝑛}$ rated
  • ${𝑈}_{\text{aux}}$ variation: 38...110% of ${𝑈}_{𝑛}$ (38...264 V AC), 80...120% of ${𝑈}_{𝑛}$ (38.4...300 V DC)
  • Start-up threshold: DC <18.0 W (nominal), <22.5 W (max); AC <19.0 W (nominal), <23.0 W (max)
  • Ripple: Max 15% of the DC value (at 100 Hz)
  • Fuse type: T4A/250 V

• Type 2:

  • ${𝑈}_{\text{aux}}$ nominal: 24, 30, 48, 60 V DC
  • ${𝑈}_{\text{aux}}$ variation: 50...120% of ${𝑈}_{𝑛}$ (12...72 V DC)
  • Start-up threshold: 19.2 V DC (24 V DC * 80%)
  • Burden: DC <18.5 W (nominal), <22.5 W (max)
  • Fuse type: T4A/250 V