Rish OPTIMA VAF - Auxiliary Supply Specifications; Accuracy Specifications; Relay Specifications; Display and User Interface

Auxiliary
External Auxiliary 40V to 300V AC/DC
Supply (+/- 5%)
or
20V to 40V AC /
20V to 60V DC
Frequency Range 45 to 65 Hz
VA Burdon < 4 VA
Accuracy
Voltage +1.0 % of nominal
value
Current +1.0 % of nominal
value
Frequency +0.5 % of mid
frequency
Reference conditions for Accuracy :
Reference temperature 23°C + 2°C
Current 10... 100% of
nominal value
Voltage 20... 100% of
nominal value
Input frequency 50 / 60Hz + 2%
Input waveform Sinusoidal (distortion
factor 0.005)
Auxiliary supply voltage Rated Value + 1 %
Auxiliary supply frequency Rated Value + 1 %
Relay
Settable parameters as per table 2
Trip Point setting 10%...120% of set
range of parameter
(except frequency
which is 10%...100%)
Hysteresis 5% of trip point
Contact type single pole NO+NC,
volt free contacts
Contact rating 250V, 5A
Inuence of Variations:
Temperature Coefcient 0.05% / °C
Display
LED 3 line 3 digits, Display
height : 14mm
Update rate Approx. 1 seconds
Controls
User Interface 2 Keys
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