Siemens 3VA1 100 A Manual page 404

Accessories
4.11 Test devices
Disconnecting the TD500 from the 3VA2 molded case circuit breaker
1. Switch off the 3VA2 molded case circuit breaker.
2. Press the pushbutton labeled <ETU Power ON/OFF>
The LED labeled "COM" on the TD500 goes out. The ETU is now no longer powered via
the TD500 and is deactivated.
3. Disconnect the power supply unit from the socket.
4. Detach the power supply unit cable from the TD500.
5. Detach the connecting cable between the TD500 and the ETU.
Test tripping functions L, S, I, N and G
1. Connect the TD500 to the 3VA2 molded case circuit breaker as described above.
2. Switch on the 3VA2 molded case circuit breaker.
3. To test the tripping function, press one of the pushbuttons <L>, <S>, <I>, <N> or<G on
the TD500 test device.
– When a pushbutton is pressed, its LED flashes while the test is in progress.
– The ETU trips when the set trip times expire and the molded case circuit breaker
– On completion of the test, the LED of the selected pushbutton changes from flashing
4. Wait for the test to end and evaluate the test result by the status of the LED labeled
"RESULT":
Test was successful:
The LED "RESULT" lights up green.
Test was unsuccessful:
The LED "RESULT" flashes red.
Repeat the test. If the test fails again, contact Technical Support (Page 12) .
5. Press the pushbutton for the same tripping function again in order to confirm the test
result and restore the TD500 to its initial state.
6. Switch on the molded case circuit breaker again (ON position) in order to carry out further
tripping function tests.
404
switches from "ON" to "TRIP".
to steady illumination.
on the TD500 test device.
3VA molded case circuit breakers
Manual, 04/2015, A5E03603177010-02