Features – CIRCUTOR CIRWATT-B410T Series User Manual
Page 24
THREE PHASE STANDARD CIRWATT B METER
CIRWATT B THREE PHASE INSTRUCTION MANUAL
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1.30.- Features
Power supply
Mode
Self-powered
Nominal voltage
3 x 57(100) to 3 x 230(400) V
Tolerance
± 20%
Consumption
< 2W 10VA
Frequency
50 or 60Hz
Operating temperature
-40
ºC … +70 ºC
Voltage measurement
Connection
Asymmetrical
Reference voltages
3 x 57(100) to 3 x 230(400) V depending on version
Frequency
50 or 60Hz
Self-consumption of the voltage circuit
< 2W 10VA
Current measurement
Currents (In)
5 A (semi-indirect version) 10 A (direct version)
Maximum current
10 A (semi-indirect version) 100 A (direct version)
Start-up current
< 10 mA
Self-consumption of the current circuit
0,3 VA to 10 A
Accuracy
Active Energy
Class B (EN 50470)/ Class 1(IEC 62052-11, IEC 62053-21 and IEC
62053-22)
Reactive Energy
Class 2.0 (IEC 62053-23)
Calculation and processing
Microprocessor
16-bit RISC
Converter
16-bit
Memory
Data
RAM type, Lithium battery powered
Setup, events, load curve
Non-volatile FLASH-type memory
Battery:
Type
Lithium
Lifetime
> 20 years
Reserve power whilst meter without power
> 5 years
Clock:
Source
Self-compensated quartz crystal oscillator
Drift
< 0,5 seconds/day at 25 ºC