| Subject | English | Spanish |
| comp., MS | uninterruptible power supply | sistema de alimentación ininterrumpida (A device, connected between a computer (or other electronic equipment) and a power source (usually an outlet receptacle), that ensures that electrical flow to the computer is not interrupted because of a blackout and, in most cases, protects the computer against potentially damaging events, such as power surges and brownouts) |
| IT, energ.ind. | uninterruptible power supply | sistema de alimentación ininterrumpida |
| IT, energ.ind. | uninterruptible power supply | suministro continuo de energía |
| IT, energ.ind. | uninterruptible power supply | suministro ininterrumpido de energía |
| energ.ind., el. | uninterruptible power supply | alimentación ininterrumpida |
| IT, energ.ind. | uninterruptible power system | sistema de alimentación ininterrumpida |
| IT, energ.ind. | uninterruptible power system | suministro ininterrumpido de energía |
| energ.ind., el. | uninterruptible power system | sistema de energía de continuidad absoluta |