I.B. 29C891B
Page 19
Effective 11/98
Table 2.3 OPTIM Trip Unit Metering Tolerances
➀
Parameter
Circuit Breaker Type
Accuracy
Range/Assumptions
Phase Current
K, L, N
±2% Frame Current Rating
5% to 100% Frame Rating
R, SPB
±2% Frame Current Rating
5% to 100% (Current)
DSII, DSLII
±2% Sensor Current Rating
Sensor Rating
Ground Current
K, L, N
±5% Frame Current Rating
10% to 100% Frame
R, SPB
±5% Frame Current Rating
10% to 100% Frame
DSII, DSLII
±5% Sensor Current Rating
10% to 100% Current Sensor
Power and Peak
K, L, N
±4% of (Frame Current Rating x 600V) x 3
~ 1 sec. sampling window
Demand
R, SPB
±4% of (Frame Current Rating x 600V) x 3
- Current @ 5% to 175% of frame
DSII, DSLII
±4% of (Current Sensor Rating x 600V) x 3
or sensor rating
System Power Factor
K, L, N
±0.02
Balanced three
R, SPB
±0.02
Phase Load per
DSII, DSLII
±0.02
ANSI Std. C12.1-1988
Energy
K, L, N
±5% of (Frame Current Rating x 600V x time) x 3
5% to 175% of Plug Rating I
n
R, SPB
±5% of (Frame Current Rating x 600V x time) x 3
DSII, DSLII
±5% of (Current Sensor Rating x 600V x time) x 3
Notes:
➀
Metered values are displayed via:
1. OPTIMizer Hand Held Programmer
2. Breaker Interface Module
3. Remote PC via IMPACC
Summary of Contents for Digitrip OPTIM 1050
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