ELECTRICAL ANSI CODE

12   ———  Overspeed (2 set points)
14   ———  Underspeed (2 set points)
21B ———  Underimpedance
24   ———   Overfluxing (V/Hz)
25   ———   Synch-check


26/63 ———  Thermostat / Buchholz
27/27S ———  Undervoltage (L-L/L-N)
27D ———  Positive-sequence undervoltage
27R ———  Remanent undervoltage
30 ———  Annunciation
32P ———  Directional real overpower
32Q/40 ———  Directional reactive overpower
37 ———  Phase undercurrent
37P ———  Directional active underpower
38/49T ———  Temperature monitoring
40 ———  Field loss (underimpedance)
46 ———  Unbalance/negative sequence
47 ———  Negative sequence overvoltage
48 ———  Excessive starting time
49 ———  RMS Thermal overload
50/27 ———  Inadvertent energization
50/51 ———  Phase overcurrent
50BF ———  Breaker failure
50G/51G ———  Ground sensitive
50N/51N ———  Ground fault
50V/51V ———  Voltage restrained overcurrent
51C ———  Capacitor bank unbalance
51LR ———  Locked rotor
59 ———  Overvoltage (L-L or L-N)
59 ———  Overvoltage (L-L)
59N ———  Neutral voltage displacement
60/60FL ———  CT/VT supervision