Protection and Control Device for Connection to MT Line according to CEI 0-16 (Italian standard for grid connection)

50/51, 64, 51BF

• F50/51 : Protezione contro corto circuito fra le fasi
• F64 : Earth Fault elements
• F51BF : Breaker Failure protection
• Real Time Measurements (IA - IB - IC - I0 )
• Trip Recording (last 5 trips with date & time)
• Trip and operation counters
• Load Profile recording

The Relay Main Body (RMB) Includes:

• 2 Phase input CTs for current measurement
• 1 Neutral (Earth Fault) input CT for current measurement
• 2 Self powered programmable Digital Inputs for remote controls
• 1 RTD input
• 2 Programmable output relays each with one N.O. contact rating 6A
• 1 RS485 Serial port for connection to the communication serial bus
• 1 RS485 port for communication to the Front Face Panel
• 2 Signal Leds
• 1 Reset button

The Front Face Panel (FFP) Includes:

• 2 x 16 characters LCD display
• Four Key buttons for local relay management
• Four signal leds
• One RS232 port for connection to a local PC (on front side)
• One RS485 port for interconnection with the RMB (on back side)
• Complete autodiagnostic program
• Mounting DIN46227 (EN50022)