Brochure

3RV1 Circuit Breaker/MSP
SIRIUS System Manual
2-20 GWA 4NEB 430 0999-02 DS 01
Voltage ranges of the
auxiliary releases
One undervoltage release or shunt release can be installed for each circuit
breaker/MSP. The following voltage ranges are possible:
Auxiliary release Frequency
Undervoltage release DC
24 V
AC 50 Hz AC 60 Hz
24 V
110 V
—
230 V
400 V
415 V
500 V
—
120 V
208 V
240 V
—
480 V
—
Undervoltage release
with leading
auxiliary contacts 2NO
230 V
400 V
415 V
240 V
—
480 V
Shunt release AC 50/60 Hz
100 % ED
1)
1)Transformer operational voltage of the lower mark of the voltage range at 0.85 (Tu = 60 °C)
is valid for 100% (continuous) duty cycle only
at AC 50/60 Hz
AC 50/60 Hz; DC
5 sec.. ED
2)
2)Transformer operational voltage of the lower mark of the voltage range at 0.9 (Tu = 60 °C) is
valid for 5 seconds duty cycle at AC 50/60 Hz and
DC
20 – 24 V
90 – 110 V
200 – 240 V
350 – 415 V
500 V
20 – 70 V
70 – 190 V
190 – 330 V
330 – 500 V
500 V
Table 2-6: Voltage ranges of the auxiliary releases