ABB REQ650 - Introduction to Breaker Protection REQ650 Application Manual; This Manual and Its Scope; Intended Audience and Prerequisites

Section 2 Available functions
Note that not all functions included in the tables below have
commissioning information available.
2.1 Back-up protection functions
IEC 61850 or
Function name
ANSI Function description Breaker
REQ650
REQ650 (A01A) 3Ph/1CB/1BB REQ650 (A11A) 1Ph/1CB/1BB REQ650 (B11A) 1Ph/1CB/2BB
Current protection
PHPIOC 50 Instantaneous phase overcurrent protection, 3–phase
output
0–1 1
SPTPIOC 50 Instantaneous phase overcurrent protection, phase
segregated output
0–1 1 1
OC4PTOC 51/67 Four step phase overcurrent protection, 3-phase
output
0–1 1
OC4SPTOC 51/67 Four step phase overcurrent protection, phase
segregated output
0–1 1 1
EFPIOC 50N Instantaneous residual overcurrent protection 0–1 1 1 1
EF4PTOC 51N/67N Four step residual overcurrent protection, zero/
negative sequence direction
0–1 1 1 1
SDEPSDE 67N Sensitive directional residual overcurrent and power
protection
0–1 1 1 1
LCPTTR 26 Thermal overload protection, one time constant,
Celsius
0–1 1 1 1
LFPTTR 26 Thermal overload protection, one time constant,
Fahrenheit
0–1 1 1 1
CCRBRF 50BF Breaker failure protection, 3–phase activation and
output
0–1 1
CSPRBRF 50BF Breaker failure protection, phase segregated
activation and output
0–1 1 1
STBPTOC 50STB Stub protection 0–1 1 1 1
Table continues on next page
1MRK 505 293-UUS A Section 2
Available functions
13
Commissioning manual