
18
CVM
k
2
INSTALLATION
2.4 SYSTEM CONNECTION
Before connecting the equipment, the following points should be veried:
2.3.1 Auxiliary Power Supply Features
2.3.2 Maximum Voltage in the Voltage Measuring Circuit
2.3.3 Maximum Current in the Current Measuring Circuit
2.3.4 Working Conditions
2.3.5 Safety
Standard rated voltage (*) 300 / 520 V
f-n
/ V
f-f
Other voltages (*) 500 / 866 V
f-n
/ V
f-f
(*) Current limited. Máximum 0.6 V·A
Rated frequency 45,00...65,00 Hz
U
max
= U
N
x 1.2
Secondaries .../5A (*) 5 A a.c.
Secondaries .../1A (*) 1 A a.c.
(*) limited in voltage
I
max
= I
N
x 1.2
2.4.3 RATED CURRENT IN CURRENT MEASURING CIRCUIT
Operating temperature -10...+40 ºC
Relative Humidity 5...95 %
2.4.4 WORKING CONDITIONS
2.4.2 RATED VOLTAGE IN VOLTAGE MEASURING CIRCUIT
Standard power supply 85...265
100...300
V a.c.
V d.c.
Frequency 50...60 Hz
Optional power supply 24...90 V d.c.
2.4.1 AUXILIARY POWER SUPPLY
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