Eaton Cutler-Hammer Digitrip 1150 - Page 4

Effective 10/2004
Page 4
I.L. 70C1036H05
Table 1.1b Metering Data for Digitrip 1150/1150i Trip Units
Current Metering Units Tolerance Notes
IA, IB, IC, IN,
IG
IA, IB, IC (AVG)
IN, IG (AVG)
IA, IB, IC (Max)
IN, IG (Max)
IA, IB, IC (Min)
IN, IG (Min)
Amperes
Amperes
Amperes
Amperes
Amperes
Amperes
Amperes
Amperes
±1% FS
±2% FS
Real time data, FS = In rating
Real time data, FS = In rating
5 MINUTE AVERAGE
5 MINUTE AVERAGE
(Tolerance applicable for 5 to 100% of In
and current will start metering @ .02 per unit)
Group values held until Reset.
Based on approximately 1 second
time interval
Voltage Metering
VAB, VBC, VCA Volts ±1% FS FS (Full Scale) = 690 V
Power Metering
Power
kVA
kvar
DEMAND kW
DEMAND Max kW
DEMAND kVA
DEMAND Max kVA
kW
kVA
kvar
kW
kW
kVA
kVA
±2% FS
±2% FS
±2% FS
±2% FS
±2% FS
±2% FS
±2% FS
Approximately 1 second update
LAST AVG - 5 MIN INTERVAL
SLIDING or FIXED 15 MIN INTERVAL*
LAST AVG - 5 MIN INTERVAL
SLIDING or FIXED 15 MIN INTERVAL*
Energy Metering
ENERGY kWh
ENERGY Rev kWh
KVAh
kWh
kWh
kVAh
±2% FS
±2% FS
±2% FS
Metering Related Alarms
kVA DEMAND ALARM
kW DEMAND ALARM
KVA
kW
1 to 12500
1 to 12500
LAST AVG - 5 min fixed interval
LAST AVG - 5 min fixed interval
Other
kVAh PULSE INITIATE
kWh PULSE INITIATE
kVAh
kWh
See section
4.7
INITIATE is an abbreviation for INITIATOR
INITIATE is an abbreviation for INITIATOR
* Only one of DEMAND Max kW or DEMAND Max kVA can be SLIDING INTERVAL
Courtesy of NationalSwitchgear.com