ABB REQ650 - Page 86

Logic
Rule: One tripping logic type only must be ordered
Note: Selection of Tripping Logic type rules the selection of Instantaneous phase Overcurrent protection, Four step
phase Overcurrent protection, Breaker Failure protection and Autorecloser.
Tripping logic, common 3–phase output (SMPPTRC) Qty: 1MRK 004 922-AA
Tripping logic, phase segregated output (SPTPTRC) Qty: 1MRK 004 922-UA
Optional functions
Current protection
Rule: Only one Instantaneous phase overcurrent protection can be ordered
Rule: If 3 ph tripping logic has been selected only PHPIOC can be selected. If Phase segregated tripping logic has
been selected only SPTPIOC can be selected .
Instantaneous phase overcurrent protection, 3–phase
output (PHPIOC)
Qty: 1MRK 004 908-AA
Instantaneous phase overcurrent protection, phase
segregated output (SPTPIOC)
Qty: 1MRK 004 908-XA
Rule: Only one Four step phase overcurrent protection can be ordered.
Rule: If 3 ph tripping logic has been selected only OC4PTOC can be selected. If Phase segregated tripping logic has
been selected only OC4SPTOC can be selected.
Four step phase overcurrent protection, 3–phase output
(OC4PTOC)
Qty: 1MRK 004 908-BB
Four step phase overcurrent protection, phase
segregated output (OC4SPTOC)
Qty: 1MRK 004 908-VB
Instantaneous residual overcurrent protection (EFPIOC) Qty: 1MRK 004 908-CA
Four step residual overcurrent protection, zero/negative
sequence direction (EF4PTOC)
Qty: 1MRK 004 908-FA
Sensitive directional residual overcurrent and power
protection (SDEPSDE)
Qty: 1MRK 004 908-EA
Thermal overload protection, one time constant, Celsius
(LCPTTR)
Qty: 1MRK 004 908-HC
Thermal overload protection, one time constant,
Fahrenheit (LFPTTR)
Qty: 1MRK 004 908-HD
Stub protection (STBPTOC) Qty: 1MRK 004 908-MA
Pole discordance protection (CCRPLD) Qty: 1MRK 004 908-NA
Broken conductor check (BRCPTOC) Qty: 1MRK 004 908-PA
Directional underpower protection (GUPPDUP) Qty: 1MRK 004 908-RB
Directional overpower protection (GOPPDUP) Qty: 1MRK 004 908-SB
Negative sequence based overcurrent function
(DNSPTOC)
Qty: 1MRK 004 908-TA
Breaker protection REQ650 1MRK 505 283-BEN -
Product version: 1.2
86 ABB