4 system connection, 1 auxiliary power supply, 2 rated voltage in voltage measuring circuit – CIRCUTOR CVMk2 Series User Manual
Page 18: 3 rated current in current measuring circuit, 4 working conditions

18
CVM
k2
INST
ALLA
TION
2.4 SYSTEM CONNECTION
Before connecting the equipment, the following points should be verified:
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