Description
2.7 Electronic trip unit
3VA molded case circuit breakers with UL and IEC certification
Manual, 01/2019, L1V30435333-01
93
When a TD500 test device is connected, you can use it to initiate a test. The following
screen appears when a TD500 is connected. The bar flashes at a frequency of 0.5 Hz.
The bar travels from left to right while testing is in progress. The test ends with a trip.
The table below shows the activation limits for the different types of ETU, when not powered
by an auxiliary control voltage:
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