ABB PR512 - Page 41

39
8
Conductor connections
Terminal or clamp
Socket and plug (female and male)
Current transformer
Current transformer with wound
secondary and with primary consisting
of three bushing conductors
Make contact
Break contact
Closing position contact (limit switch)
Opening position contact (limit switch)
Power circuit-breaker
Control coil (general sign)
Overcurrent unit with long adjustable
time-delay characteristic
Overcurrent unit with long inverse
adjustable time-delay characteristic
Overcurrent unit with short adjustable
time-delay characteristic
Overcurrent unit for earth fault with long
adjustable time-delay characteristic
Overcurrent unit for earth fault with long
inverse time-delay characteristic
Overcurrent unit for earth fault with short
adjustable time-delay characteristic