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Test - Siemens 3RB12 Instructions Manual

Solid-state overload relay
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4.4

Test

Test
Status
button
Press for
LED Ready
up to 2 s
LED Gen. Fault
LED Overload
Status of auxiliary
switching elements
Press for
LED Ready
after 2 s
LED Gen. Fault
LED Overload
Status of auxiliary
switching elements
Press for
LED Ready
> 5 s
LED Gen. Fault
LED Overload
Status of auxiliary
switching elements
LED lights up
*
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.
3ZX1012-0RB12-1AA1
Statuses after the Test/Reset button has been pressed:
Without
main current
O.k.
un-
changed
LED flashes
With
main current*
Faulty
O.k.
unchanged
Reset**
un-
changed
Reset
LED flickers
LED dark
Operation
Faulty
Reset**
17

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