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15.
12.3 PR021/K and HMI030 units
The PR122/DC can also connected the optional external PR021/K unit (see par.4 PR030/B power supply unit
The PR030/B power supply unit external unit allowing powering Relay, Autotest and Trip Test, checking with open and installation of
new replacement units.2 BT030 communication unit
Through BT030 wireless communication unit, the PR122/DC can connected via wireless Pocket (PDA) standard PC, extending
the range information available user.8.8.4).1) indicate through potential-free power contacts alarms
and protection trips, and the HMI030 switchboard front unit display number information.8. 12. The test unit is
connected the relay through dedicated connector (see par.
M odel L3447
A pparatus Emax DC
S cale
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.1 ABB SACE PR010/T test and configuration unit
Testing the SACE PR010/T unit allows checking correct operation thresholds and trip times protectionfunctions.8 cce sso rie s
12.
12.8. means the ABB SACE SD-Pocket communication software, the values the currents flowing through
the circuit-breakers, the value the latest interrupted currents and protection settings, can read.
12.12
