Rockwell Automation 1425 PowerMonitor Wireless 250 - Manual (Page 56)

56 Rockwell Automation Publication 1425-UM001A-EN-P - January 2012
Appendix A Specifications
Table 32 - Accuracy and Range
Parameter Accuracy in % of Reading at 25 °C
(77 °F) (50/60 Hz) Nom/Range
Voltage Min value in interval 1.5% D3 model: 240V 3-wire Delta/
90…300V AC line-to-line
277V line-to-neutral 4-wire WYE/
90…300V AC line-to-neutral
480 models: 480V 3-wire Delta/
90…520V AC line-to-line
Current Max value in interval 1.5% Depending on model, monitor load
range 100…2000 A
Frequency Based of Phase 1 50 or 60 Hz/ 45…66 Hz
Energy functions: kWH IEC 62053-21 Class 1 ± 1%
Energy functions: kVARH IEC 62053-23 Class 3 ± 3%
Metering update rate kWh, kVarh, kVAh counters @
1 minute;
Interval Energy Data @ configurable
5, 6, 10, 12, 15, 20, or 30 minutes
Table 33 - Input and Output Ratings
Attribute Value
Control power 100…277V rms AC at 50/60 Hz (line-to-neutral)
2 W max consumption
24V DC power for 480 models
Table 34 - General Specifications
Attribute Value
Dielectric withstand CT-based model 3500V
Rogowski-based model 3500V
Terminal blocks 2.5 mm sq. for input voltage (18…24 AWG)
0.5 N•m (0.37 lb•ft)
Certifications CE, cULus (power monitors only), FCC Part 15, Industry
Canada RSS-210