Siemens 3RB22 Manual Del Usuario página 31

4.6 Reset
If the 3RB22/23
has tripped due
to
Test
1)
Overload
1)
Thermistor
Ground fault
1) If thermistor and overload trips have responsed simultaneously, the longer reset phase will apply.
2) In switch position AUTO, the overload relay will automatically reset.
3) If the overload relay is switched off during the 3 minute recovery time, then the full 3 minutes start
again when the relay is switched back on again.
Reset function
with trip-free
mechanism
3ZX1012-0RB22-1AA1
then reset the overload relay after the following
intervals by
briefly pressing the
test/reset button
Immediately
Resetting is possible after the recovery time of 3 minutes has
elapsed. The recovery time allows for sufficient cooling of the
previously overloaded motor.
When the temperature is 5 K below the operating temperature
Immediately
The protective functions are not impaired if the test/reset button is
kept pressed.
Note
The cause of the fault must be remedied before resetting.
WARNING
Automatic restart.
May result in death, serious injury or damage to property.
The automatic reset mode must not be used in applications where
the unexpected restart of the motor may lead to personal injury or
damage to property.
remote reset
(briefly press button
at Y1-Y2)
3)
Operation
automatic reset
2)
(switch )
Not applicable
21