4
Technical Specifications
4.1
Basic Parameters
Instrument Auxiliary Power Supply Voltage
model „U“
model „L“
model „S“
power supply
3 VA / 3 W
overvoltage category
III
pollution degree
2
connection
isolated, polarity free
aux. voltage range
AC: f=40÷450 Hz; DC
100 ÷ 275 V
AC
90 ÷ 350 V
DC
20 ÷ 50 V
AC
20 ÷ 75 V
DC
10 ÷ 26 V
AC
10 ÷ 36 V
DC
„X/333mV“ Instrument Model Auxiliary Voltage for Current Sensors
connection
non-isolated (connected with the instrument internal circuitry)
output voltage
maximum permanent load
short-circuit current, max. duration
+5 V
DC
± 5 %
60 mA
DC
approx. 100 mA
DC,
5 seconds
30
