Eaton Cutler-Hammer Digitrip 1150 - Page 6

Effective 10/2004
Page 6
I.L. 70C1036H05
Table 1.1d VOLTAGE PROTECTION functions for Digitrip 1150/1150i Trip Units
Trip Unit Type Digitrip 1150
+
Digitrip 1150i
+
Ordering Catalog Number 11PLSI, 11PLSIG, 11PLSIA 11PIEC, 11PIECEF
SYSTEM Frequency 50 or 60 Hz 50 or 60 Hz
TRIPS
RANGE STEP SIZE TOLERANCE
UnderVoltage Trip 90 to 670 Volts 1 volt +/- 7 volts
UnderVoltage Time 1 to 250 seconds 1 second +2.5s, -0.5s or +2%, -2%
whichever is larger
OverVoltage Trip 180 to 720 Volts 1 volt +/- 7 volts
OverVoltage Time 1 to 250 seconds 1 second +2.5s, -0.5s or +2%, -2%
whichever is larger
UnderFrequency Trip 48 to 52 Hz (50 Hz)
58 to 62 Hz (60Hz)
0.1 Hz +/- .05 Hz
UnderFrequency Time 0.20 to 5.0 seconds 0.02 seconds +0.1s/-0s
OverFrequency Trip 48 to 52 Hz (50 Hz)
58 to 62 Hz (60Hz)
0.1 Hz +/- .05 Hz
OverFrequency Time 0.20 to 5.0 seconds 0.02 seconds +0.1s/-0s
Voltage Unbalance Trip 5% to 50% 1% +/-3
Voltage Unbalance Time 1 to 250 seconds 1 second +2.5s, -0.5s or +2%, -2%
whichever is larger
Reverse Power Trip 1 to 65000kW 1 kW +/- 2% FS
Reverse Power Time 1 to 250 seconds 1 second 0, +2%
+3s whichever is larger
ALARMS
RANGE STEP SIZE TOLERANCE
UnderVoltage Alarm 90 to 670 Volts 1 volt +/- 7 volts
UnderVoltage AlarmTime 1 to 250 seconds 1 second +2.5s, -0.5s or +2%, -2%
whichever is larger
OverVoltage Alarm 180 to 720 Volts 1 volt +/- 7 volts
OverVoltage AlarmTime 1 to 250 seconds 1 second +2.5s, -0.5s or +2%, -2%
whichever is larger
UnderFrequency Alarm 48 to 52 Hz (50 Hz)
58 to 62 Hz (60Hz)
0.1 Hz +/- .05 Hz
UnderFrequency AlarmTime 0.20 to 5.0 seconds 0.02 seconds +0.1s/-0s
OverFrequency Alarm 48 to 52 Hz (50 Hz)
58 to 62 Hz (60Hz)
0.1 Hz +/- .05 Hz
OverFrequency AlarmTime 0.20 to 5.0 seconds 0.02 seconds +0.1s/-0s
Voltage Unbalance Alarm 5% to 50% 1% +/-3
Voltage Unbalance AlarmTime 1 to 250 seconds 1 second +2.5s, -0.5s or +2%, -2%
whichever is larger
Phase Rotation Alarm ABC, CBA, OFF - -
Courtesy of NationalSwitchgear.com