Siemens 7PG21 Solkor Rf - Information Required When Ordering

7PG21 Solkor Rf Applications Guide
2 Information Required when ordering
Solkor Protection relay
• CT secondary Current Rating
• Case Styles
• Insulation level (5/15kV)
• Set as R or Rf mode
Pilot Supervision
• Case Styles
• System Frequency (50/60Hz)
• Send or Receive End
• Insulation level (5/15kV)
• Auxiliary DC supply
Guard Relays
• CT secondary Current Rating
• Case Styles
• System Frequency (50/60Hz)
• Not compatible with Intertripping
• Auxiliary DC supply (for numeric types)
Intertripping
• Not compatible with Guard Relays
• 1 way or 2 way intertripping
• Auxiliary DC supply
• R or Rf mode
• Insulation level (5/15kV)
©2010 Siemens Protection Devices Limited Chapter 3 Page 4 of 15