Eaton Cutler-Hammer Digitrip 1150 - Page 5

Effective 10/2004
Page 5
I.L. 70C1036H05
Table 1.1c Power Quality Data for Digitrip 1150/1150i Trip Units
Harmonic Units Notes
THD (Total Harmonic Distortion)
THDA
THDB
THDC
THDN
Per Harmonic Data
HARMON A
HARMON B
HARMON C
HARMON N
CF (Crest Factor)
CFA
CFB
CFC
CFN
0 to 99 percent
0 to 99 percent
0 to 99 percent
0 to 99 percent
0 to 99 percent
0 to 99 percent
0 to 99 percent
0 to 99 percent
1.0 to 25.5
1.0 to 25.5
1.0 to 25.5
1.0 to 25.5
Phase A current
Phase B current
Phase C current
Neutral current
Fundamental through 27
th
Phase A current
Phase B current
Phase C current
Phase N current
Phase A current
Phase B current
Phase C current
Phase N current
Power Factor / Frequency
PF (Power Factor)
PF MIN
PF MAX
0 to 1.00
0 to 1.00
0 to 1.00
Located in METER menu, real time data
Value held until Reset
Value held until Reset
Hz (Frequency) Hz Located in METER menu
Power Quality Related Alarms (Programmable)
LOW PF ALARM
THD ALARM
50 to 95 percent
10 to 30 percent
OFF setting available
OFF setting available
Courtesy of NationalSwitchgear.com