accessories circuit breaker 3WL meas. function plus upgradable without voltage transf. measurm. of harmonics & dist.f. for ETU release 2

3WL9111-0AT04-0AA0
Description
Siemens | 3WL9111-0AT04-0AA0 | accessories circuit breaker 3WL meas. function plus upgradable without voltage transf. measurm. of harmonics & dist.f. for ETU release 2

