28
CIRWATT B 101-102
Instruction Manual
7 - TECHNICAL FEATURES
Power Supply
Mode
Self-powered
Rated voltage
127 V - 230 V
Tolerance
±
20%
Consumption
< 2 W, 10 VA
Frequency
50 / 60 Hz any of the two frequencies
Operating temperature
-25 ºC ... +70 ºC (-40ºC ... +70 ºC metrological part)
Voltage measurement
Connection
Asymmetric / Symmetrical (depending on the model)
Reference voltages
230 V and 127 V
Frequency
50 or 60 Hz
Current measurement
Current (In)
5 A Direct
Maximum current
65 A
Starting current
< 20 mA
Current circuit self-supply
< 0.2 VA / 10 A
Accuracy
Active energy
Class A or B (UNE EN 50470) or Class 1 (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
> 15 years / 35 ºC under the energy meter’s normal operation
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
~
3A with connection to neutral potential when activated
Build features
Enclosure
As per DIN 43859 standard
Dimensions
As per DIN 43857 standard
Protection degree
IP 53
Optical port
Hardware
EN 62056-21
Baud rate
Max. 9600 bps
