48
CIRWATT B 400
Instruction Manual
9 - TECHNICAL FEATURES
Power Supply
Mode
Self-powered
Rated voltage
3 x 57(100) ... 3 x 230(400) V
Tolerance
±
20%
Consumption
< 2 W, 10 VA
Frequency
50 or 60 Hz
Operating temperature
-40 ºC ... +70 ºC
Voltage measurement
Connection
Asymmetric
Reference voltages
3 x 57(100) ... 3 x 230(400) V depending on version
Frequency
Automatic (50 or 60 Hz)
Self-consumption of the voltage circuit
< 2 W, 10 VA
Current measurement
Current (In)
Semi-indirect version
Direct version
5 A
10 A
Maximum current
10 A
100 A
Starting current
< 10 mA
Current circuit self-supply
0.3 VA at 10 A
Accuracy
Active energy
Class B (UNE EN 50470), Class 1 (IEC 62052-11 or IEC 62053-21)
Reactive energy
Class 2.0 (IEC 62053-23)
Calculation and Processing
Microprocessor
16-bit RISC
Converter
16 Bits
Memory
Data
RAM, powered by lithium battery
Setup, events, load curve
Non-volatile flash memory
Battery
Type
Lithium
Lifetime
> 20 years
Reserve power without supplying the meter
> 5 years
Clock
Source
Self-compensated quartz crystal oscillator
Drift
<0.5 seconds/day at 25ºC
Tariff output (depending on version)
Type
Relay
Operational
Activation tariff selection
Electrical characteristics
Max. 250V
~
5A with connection to neutral potential when acti-
vated
Pulse input (depending on version)
Type
Insulated via optocoupler
Operational
Reading of pulses with a width > 30 ms. Maximum 8 pulses/s
