| Standardization field | Electrical engineering
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| Technical committee | BAS/TC 52- Controlgear and switchgear installation |
| Term (EN) | busbar trunking phase transposition unit - phase transposition BTU |
| Definition (EN) | BTU intended to change the relative positions of the phase conductors in order to balance the inductive reactances or to transpose the phases (such as L1-L2-L3-N to N-L3-L2-L1) |
| Term (FR) | |
| Definition (FR) | |
| Term (DE) | |
| Definition (DE) | |
| Term (BS) | jedinica za transpoziciju faze sabirničkog kanala - fazna transpozicija BTU |
| Definition (BS) | BTU namijenjen za promjenu relativnih položaja faznih provodnika kako bi se uravnotežile induktivne reaktanse ili transponirale faze (kao što je L1-L2-L3-N u N-L3-L2-L1) |
| Term (HR) | |
| Definition (HR) | |
| Term (SR) | |
| Definition (SR) | |
| Date | 2025-01-16 |
| Standards | BAS EN 61439-6:2025 |
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