Allen-Bradley 1420-V1, User Manual, Page: 73 / 90

Rockwell Automation Publication 1420-UM001E-EN-P - March 2016 73
Technical Specifications Appendix B
Figure 26 - Accuracy
32 kVARh (+) X X X X # X Total
33 kWh (+) X X X X X X Partial
34 kVARh (+) X X X X # X Partial
35 kWh (-) X X X X X X Total
36 kVARh (-) X X X X # X Total
37 kWh (-) X X X X X X Partial
38 kVARh (-) X X X X # X Partial
Table 45 - Variables
No Variable 1-ph. Sys (1P) 2-ph. Sys (2P) 3-ph. 3/4-wire
Balanced Sys
(3P.1) 3-ph. 2-wire
Balanced Sys
(3P.2) 3-ph. 3-wire
Unbal. Sys (3P) 3-ph. 4-wire
Unbal. Sys
(3P.n) Notes
kWh, Accuracy (RDG) Depending on the Current
Percentage error limits for class index B
6A (I
max
)
6A (I
max
)
5A (I
n
)
5A (I
n
)
0.25A (I
tr
)
0.25A (I
tr
)
0.05A (I
min
)
Accuracy limits (Real energy)
Start-up current: 5 mA
kvarh, Accuracy (RDG) Depending on the Current
Error (uncertainty)
Accuracy limits (Reactive energy)
Start-up current: 5 mA
PF=1
PF=L0.5
or C0.8
6A (I
max
)
6A (I
max
)
5A (I
n
)
5A (I
n
)
0.25A
0.5A
0.1A
0.25A
sin φ=1
sin φ=0.5
+1.0%
0%
+1.5%
-1.0%
-1.5%
+2.0%
0%
+2.5%
-2.0%
-2.5%