Siemens 3RB12

Operation
3ZX1012-0RB12-1AA1 17
English
4.4 Test
Statuses after the Test/Reset button has been pressed:
Test Status Without
main current
With
main current*
button O.k. Faulty O.k. Faulty
Press for
up to 2 s
LED Ready
LED Gen. Fault
LED Overload
Status of auxiliary
switching elements
unchanged
Press for
after 2 s
LED Ready
LED Gen. Fault
LED Overload
Status of auxiliary
switching elements
un-
changed
Reset** un-
changed
Reset**
Press for
> 5 s
LED Ready
LED Gen. Fault
LED Overload
Status of auxiliary
switching elements
Reset
LED lights up LED flashes LED flickers LED dark
*
Unless current is detected in all three phases, the device behaves as listed in the
"Without main circuit current“ column.
**Status of auxiliary switching elements "Reset":
95/96, 05/06 open, 97/98, 07/08 closed.