Siemens SINOVA Manual page 88

Article No.
Description
Manual function tester for electronic trip unit
View
①
②
③
Preparatory work
• Open and disconnect the Circuit Breaker.
• Note the setting values of the electronic trip unit.
• Deactivate ground fault protection (if available) on the electronic trip unit (I
• Setting value I
• Remove the cover cap from test socket X25 on the ETU.
Equipment damage
If the hand-held test device is used while the Circuit Breaker is closed, this can cause false
tripping and destroy the hand-held test device.
3WJ Air Circuit breakers
Operating Instructions, 12/2022, L1V30828903001-01
LED for indicating the operating voltage
Control keys
6 LEDs for indicating the test results
= 1.0 I
R n
CAUTION
3.7 Accessories for the Electronic Trip Unit
Article No.
3WL9111-0AT32-0AA0
Accessories
= OFF).
g
87